Development of Optimal Severe Accident Management ...
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SlWy^PMIHAi KAERI/RR-2533/2004 Development of Optimal Severe Accident Management Strategy and Engineered Safety Features Improvement of Severe Accident Analysis Computer Code and Development of Accident Management Guidance for Heavy Water Reactor 3* » 7| ^ Y
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Transcript of Development of Optimal Severe Accident Management ...
SlWy^PMIHAi KAERI/RR-2533/2004
Development of Optimal Severe Accident Management Strategy and Engineered Safety
Features
Improvement of Severe Accident Analysis Computer Code and Development of Accident Management Guidance for
Heavy Water Reactor
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SUMMARY
I. Title
Improvement of Severe Accident Analysis Compute Code and Development of Severe Accident Management Guidance for Heavy Water Reactor
II. Objectives and Necessity of the Project
The objective of the project is to develop a generic severe accident management guidance (SAMG) applicable to Korean PHWR and the objective of this 3 year (2002-2004) continued phase is to construct a base of the generic SAMG. Another objective is to improve a domestic computer code, ISAAC (Integrated Severe Accident Analysis code for CANDU), which still has many deficiencies to be improved in order to apply for the SAMG development.
The SAMG program for PHWR has been delayed relatively in contrast to the active SAMG programs for PWR because no SAMG strategy for PHWR has ever been developed worldwide. Under these environments, the efforts to obtain a high level safety for domestic commercial PHWRs is required. But as the characteristics of both the design and operation for PHWR are very different with those of PWR, independent R&D which performs critical studies like a code development for severe accident analysis and a development for SAMG strategies etc. as working items becomes necessary.
III. Scope and Contents of the Project
The 5 basic elements for severe accident management (SAM) are accident management strategy, necessary information analysis, procedure and/or
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guidance, organization and decision making system, and training. This project is to develop 4 elements except the training element and the scope and contents performed in this Phase-2 are as follows:
(1) The characteristics of major design and operation for the domestic Wolsong NPP are analyzed from the severe accident aspects. On the basis, preliminary strategies for SAM are selected which has reflected the insights for severe accidents obtained from the Wolsong 2/3/4 PSA. The SAM strategies known generally for PWR (for example, KSMP SAMG[3], WOG SAMG[4] and CEOG SAMG[5]) are evaluated for their applicability also.
(2) The information needed for SAM and the methods to get that information are analyzed. The methods to get necessary information includes the sensors in the NPP and calculation tables etc.
(3) Both the individual strategies applicable for accident mitigation under PHWR severe accident conditions and the technical background for those strategies are developed. The technical background includes the objectives of each strategy, the positive and negative effects occurred from exercising the strategy, and the contents for necessary decision making.
The next R&Ds are performed in connection with the ISAAC update.
(1) The representative severe accident scenarios are simulated and analyzed using the input for Wolsong-2 NPP which has been completed after not only the system design material, the operation material and the procedure book collected are analyzed but also the ISAAC models are reviewed.
(2) The existing models of ISAAC 1.0 are analyzed. The existing models such as a core nodalization model, a heat transfer model, a core
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oxidation model, a safety system model, fission product release/ transport/deposition models are reviewed and then sensitivity studies, the effect analysis on accident progression and item selections for code update etc. for each model are performed.
(3) A lot of models are added or modified. The existing ISAAC 1.0 has no capability to simulate the moderator makeup to the calandria, coolant makeup to the calandria vault, water injection to the steam generator from the dousing tank. Additive coding works are needed to simulate the system which is not modeled in the code because the nodalization scheme for the primary and safety systems in the ISAAC uses a fixed scheme instead of a flexible one. Until now, the code has been used for PSA for which no added models mentioned in the above are needed in simulating severe accidents, but the added models are necessary for SAM in which more various scenarios using those models are simulated. Furthermore, some model deficiencies are improved in connection with severe accident phenomena.
IV. Results
(1) ISAAC code improvement
The target PHWR plant is Wolsong-2 NPP and an integrated modeling has been completed for the primary/secondary systems, ECCS, reactor building etc. using ISAAC 1.0 code. Then, not only each system and phenomenon modelled in ISAAC 1.0 code are evaluated but also code update items needed to develop the SAMG are drawn while the accidents like LOCA, SGTR and SBO etc. are simulated and analyzed. The new ISAAC 2.01 version has been developed which reflected these update items for system/phenomenon models as follows:
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o addition of EWS (Emergency water supply) model o addition of moderator makeup model o addition of coolant makeup model into the calandria vault o update of LAC model o update of heat transfer model into the calandria outside wall o update of fuel channel sagging model o update of core oxidation model o update of core degradation model o addition of steam explosion model o addition of fuel relocation model o update of fission product release model o update of iodine chemistry model o addition of a simulation function for feedwater line break o PC Version development
(2) The basis construction for PHWR SAMG
The severe accident mitigation strategy applicable for domestic PHWRs has aimed at the core degradation protection or mitigation, reactor building failure protection, and fission product release control. The 7 individual strategies selected to accomplish these objectives are listed in the below. The technical background including the objectives of each individual strategy, a strategic flow diagram, the positive and negative effects occurred from exercising the strategy, and the contents for necessary decision making are developed in this study.
o coolant injection into the PHTS o water injection into the steam generator o coolant injection into the calandria o coolant injection into the calandria vault o reactor building condition control o reactor building hydrogen control o fission product release control
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V. Proposal for Applications
(1) PHWR generic SAMG application
The SAMG not only proposes a variety of accident mitigation strategy to keep the plant status stable when severe accident has occurred but also describes the decision making steps about who/when/how to performs these strategies. The general SAMG applicable for domestic PHWRs which is to be developed by KAERI through this project will provide the basis for plant specific SAMG development by utility company. The general SAMG development by KAERI will be completed until 2006.2 and the plant specific SAMG development by utility company is scheduled to start after 2007. The general SAMG applicable for PHWRs confirms severe accident management techniques for emergencies, provides the base technique to develop the plant specific SAMG by utility company and finally contributes to the public safety enhancement as a NPP safety assuring step.
(2) ISAAC severe accident analysis code application
The ISAAC code which has incorporated CANDU specific models into the latest MAAP4 code frame is the only domestic code for PHWR severe accident analysis and can be used for the severe accident analysis in the domestic Wolsong NPP. Furthermore, the ISAAC code will be used inevitably for the PSA, living PSA, severe accident analysis, SAM program development and operator training in PHWR. Though the ISAAC still needs a complement of a users' manual and verification, the code update which is sufficient for the usage as PSA and SAM tools has been performed. The ISAAC is expected to provide more convenient users' environment after a graphical simulation function is added at the next phase in the future.
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Contents
Chapter 1 Introduction of the Project 1
Section 1 Objectives of the Project 1 Section 2 Necessity of the Project 2 1. Development of the Severe Accident Management Guidance for PHWR 2 2. Improvement of the Severe Accident Analysis Code for PHWR 3
Section 3 Scope of the Project 4
Chapter 2 Current State-of-the-Art of the Related Technology 6
Chapter 3 Contents and Results of the Project 14
Section 1 Modeling of the PHWR using Computer Code 14 1. Modeling Methodology 14 2. Modeling Contents 15 3. Modeling Results 17
Section 2 Analysis of the ISAAC code Model 25 1. Core Nodalization Model 25 2. Core Heat Transfer Model 35 3. Break Flow Model 51 4. Emergency Core Cooling Model 54 5. Reactor Building Spray Model 57 6. Decay Heat Model 62 7. Fuel Rod Ballooning Model 65 8. Fission Product Release Model 77 9. Fission Product Transport and Deposition Model 100
Section 3 Improvement of the ISAAC code Model 108 1. Moderator Injection System Model 108 2. Calandria Vault Cooling Water Injection System Model 114 3. Local Air Cooler Model 118 4. Calandria Wall Heat Transfer Model 126
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5. Fuel Channel Sagging Model 127 6. Core Oxidation Model 139 7. Core Degradation Model 142 8. Molten Corium Relocation Model 144 9. Steam Explosion Model 152 10. Fission Product Release Model 155 11. Iodine Chemistry Model 165 10. Development of PC Version 180
Section 4 Development of SAMG Basis for PHWR 181 1. Analysis of the PSA Top Event and Development of the Prelimi
nary Accident Management Strategies for Wolsong Plant 181 2. Analysis of the Design Characteristics and Severe Acci
dent Progression for the Representative PHWR and PWR 187 3. Development of the Plant Specific Individual Accident Manage
ment Strategies for PHWR 200 4. Development of the TSC Diagnostic Flow Chart 203
Section 5 Development of the Technical background of Individual Accident Management Strategies 218
1. Strategy of Injection into Steam Generators 218 2. Strategy of Injection into Primary Heat Transport System 231 3. Strategy of Injection into Calandria Vessel 245 4. Strategy of Injection into Calandria Vault 252 5. Strategy of Reduction of Fission Product Release 259 6. Strategy of Control of Reactor Building Condition 272 7. Strategy of Reduction of Reactor Building Hydrogen 281
Section 6 Development of the Computational Aids 289 1. CA-1, Injection Rate for Long Term Decay Heat Removal 289 2. CA-2,Reactor Building Water Level and Volume 294 3. CA-3,Hydrogen Impact during Depressurizing Reactor Building --297 4. CA-4,Volumetric Release Rate during Venting Reactor Building -302 5. CA-5,Hydrogen Flammability in Reactor Building 308
Section 7 Analysis of Instrument Information 329 1. Reactor Power 329
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2. Pressure 329 3. Temperature 331 4. Water level 332 5. Hydrogen Concentration 334 6. Radioactivity 334
Chapter 4 Achievement and Contribution of the Project 337
Section 1 Achievement of Purpose 337 Section 2 Contribution 341
Chapter 5 Proposals for the Applications 344
Chapter 6 Scientific and Technical Information Obtained via the Project 345
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- xvii -
a 3.4.2-3. 1 4 2 ^ 4 4 a ^ 4 4 4 4 4 4*J 4 4 4 4 1 4 3 4*3
a 3.4.4-1. 4 4 ^ 4 4 4 4 2 2 212 a 3.4.4-2. 4 4 4 3 . 4 4 S 4 4 4 1-2.4 1 4 4 i 4 4 214 a 3.6.1-1. 4 4 a - o i 4 4 4 4 290 a 3.6.2-1. 4 4 4 4 4 4 4 4 a - 0 2 4 4 4 4 294 a 3.6.2-2. 4 4 4 4 4 4 4 ^ 4 4 4 4 295 a 3.6.3-1. 4 ^ 4 4 4 4 4 4 4 4 4 3 298 a 3.6.3-2. 4 4 4 4 4 4 4 4 4 4 a - 0 3 4 4 4 4 299 a 3.6.5-1. 4 ^ 4 4 4 4 4 4 4 4 4 ^ . 311 a 3.6.5-2. 4 4 4 4 4 4 4 4 4 4 a - 0 5 4 4 4 4 312 a 3.7-1. 4 3 4 4 4 1-2.4 ^ i * ^^ 4 4 336 a 4.1-1. 4 4 4 1 4 a 1 4 2 339 a 4.2-1 4 4 l a ^ ^^ 341
- xviii -
ZL4 3.1.3-1. 1 4 2^71 1 4 4 1 ISAAC ^ - 4 2 . 21 ZL4 3.1.3-2. 3X3 4*g 45 .4 : 4 ^ 4 ISAAC 1 4 4 1 2 4 2 22 ZL4 3.1.3-3. 1 4 2JL71 4 4 ^ 4 4 4 4 1 2.<i ^ 4 5 . -7-42(1/2) 23 ZL4 3.1.3-3. 1 4 2JL71 4 4 ^ 4 4 4 4 1 2.<i ^ 4 5 . -7-4:2(2/2) 24 ZL4 3.2.1-1. 2 4 : 2 2 . 4 4 4-j=- 4 4 4 4 s . 4 4 5 . 4 ^^-^S- 31 ZL4 3.2.1-2. 2.42.2.4-4 4-g- 4 4 4 4 5 . 4 4 5 . 4 471-^2. 31 ZL4 3.2.1-3. 2 4 2 2 4 4 4 ^ - 4 4 4 4 5 . 4 4 5 - 4 4 4 4 2 32 ZL4 3.2.1-4. 2 4 2 2 4 4 4 ^ 4 4 4 4 5 . 4 4 5 - 4 4 T L £ 2 32 n 4 3.2.1-5. 4 4 4 4 ^ 4 : 2 4 4 * 4 4 1 4 33 ZL4 3.2.1-6. 1 4 2 4 4 4 4 4 2 4 4 4 4 4 1 4 33 ZL4 3.2.1-7. LOCA4 2 4 2 2 4 4 4-j=- 4 4 ^ 4 4 4 Csi 4 4 4 4 34 ZL4 3.2.1-8. LOAH4 2 4 2 2 4 4 4-5 4 4 ^ 4 4 4 Csi 4 4 4 4 34 ZL4 3.2.2-1. 14 144 444 ^ ^ *J4 4 32 1 2 ! 44 --40 ZL4 3.2.2-2. l * i , CHAN, ZL^]JL CATHENA444 ^S.^- ~8r$- 4 4 41 ZL4 3.2.2-3. cs-28 1 4 4 4 4 4 € 4 5 . 4 4 4 4 4 : 2 4 a 42 ZL4 3.2.2-4. 71-1 4 4 4 4 1-44: 4 4 4 4 4 4 5 - 4 4 4 4 4 *J4--42 1 4 3.2.2-5. 4 5 - 4 4 4 4 4 4 £14 4 4 CATHENAS. 4 4 4 ^ L ^
->-4 3.2.2-6. 4 5 - 4 4 4 4 4 4 & 4 4 4 CATHENAS 4 4 4 4 5 - 4 4 1 43
ZL4 3.2.2-7. ISAAC444 2 4 *J4 2 1 4 44 ->-4 3.2.2-8. 4 ^ 4 4 4 3 4 4 4 ISAAC# oi-g^ 142.40)-^-, 4 4 4 : ,
4 4 4 , 3.47?. ^ ^ - 4 2 4 a 45 ->-4 3.2.2-9. 4*J 4 4 4 3 4 4 4 4 ^ 4 5 . 4 : ^ - 4 1 4 5 . 4 4 2 .
4 a 46 ZL4 3.2.2-10. 4*J 4 4 4 3 4 4 4 4 ^ 4 5 . 4 : 4 4 4 1 4 2 4 a ••••47 ->-4 3.2.2-11. 1 4 4 i 4 4 4 3 4 4 4 1 4 2 . 4 4 4 : , 4 4 4 , 4 4 4 ,
Z L 4 J I <&^ 4 2 4 a 48
->4 3.2.2-12. 1 4 4 i 4 4 4 3 . 4 4 4 4 4 4 5 - 4 ^ 4 1 4 5 - 4 4 2 4 a 49
- XIX -
->-4 3.2.2-13. 1 4 4 i 4 4 4 3 4 4 4 ^ ^ ^ ^ 4 1 ^ ^ 4 2 4 a 50
ZL4 3.2.3-1. 100% 4 4 5 . 4 4 2 4 4 4 4 4 4 4 4 4 4 4 4 52 ZL4 3.2.3-2. 35% 4 4 5 . 4 4 2 4 4 4 ^ 4 4 4 4 4 4 4Bov 52 ZL4 3.2.3-3. 55% 4 a 4 4 4 4 4 4 4 4 4 4 4 4 4 4 53 n 4 3.2.4-1. 4 4 3 4 4 4 4 4 4 4 4 4 4 4 2 4 4 4 4 4 ^ 4 --56 ZL4 3.2.4-2. ROH 4 4 3 4 4 4 4 4 4 2 4 u 3 4 4 46JBov 56 ZL4 3.2.5-1. 4 4 ^ 4 4 1 4 4 4 4 4 4 4 4 ^ 4 4 4 4 4 1 4 3 - 5 9 ->-4 3.2.5-2. 4 4 1.544 1 4 4 4 4 ^ 4 4 1 4 4 4 4 4 4 ^ 4 4
4 4 4 4 59 ZL4 3.2.5-3. 4 4 4 4 4 4 4 ^ 4 4 1 4 4 4 60 ZL4 3.2.5-4. 4 4 4 4 4 4 4 ^ 4 4 4 4 4 4 3 ^ 4 4 4 60 ZLSJ 3.2.5-5. 1 4 4 1 4 4 4 4 1 4 ^ 4 4 5 J 2 - 4 1 4 4 4 4 4 61 ->-4 3.2.5-6. 4 4 44^3444 4 4 4 1 4 4 4 45J2.41444
4 4 61 ZL4 3.2.6-1. ISAAC 4 4 4 4 4 5 . 4 4 4 4 4 4 4 4 2 4 4 4 4 4 - 6 4 ZL4 3.2.7-1. LOFW4 2 2 ( 6 , 1 , 1 ) 4 4 4 4 5 - 4 1 4 1 4 4 (AHT) 71 ->-4 3.2.7-2. LOFW4 2 2 (6 ,1 ,1 )444 1-44: 4 4 1 4 1 / 4 4
->-4 3.2.7-3. LOFW4 2 2 (6 ,1 ,1 )444 1 4 2 4 4 4 4 1 4 1 / 4 4 4 4 (AHTKT) 72
Z L 4 3.2.7-4. LOFW4 i^2 . ( 6 , 1 , 1 ) 4 4 4 4 1 4 4 (AGCH) 72 Z L 4 3.2.7-5. LOFW4 4 4 5 . i ( L o o p i ) 4 4 4 2 4 4 4 ^ A 3 4 4 4 3 73 ->-4 3.2.7-6. LOFW4 2 2 ( 6 , 1 , 1 ) 4 4 4 ^ S - 2 . 1 4 4 4 4 4
2 1 ^ - 4 4 4 ^ 1 £ 2 ^S. 74 ZL4 3.2.7-7. LL0CA4 2 2 ( 6 , 1 , 1 ) 4 4 4 ^s.^ 1 4 1 4 4 (AHT) ••••74 ->-4 3.2.7-8. LLOCA4 2 2 ( 6 , 1 , 1 ) 4 4 4 4 4 4 4 4 1 4 1 / 4 4
4 4 (AHTPT) 75 ->-4 3.2.7-9. LL0CA4 2 2 ( 6 , 1 , 1 ) 4 4 4 1 4 2 . 4 o } 4 « - < i 4 4 v
4 4 4 4 (AHTKT) 75 ZL4 3.2.7-10. LL0CA4 2 2 ( 6 , 1 , 1 ) 4 4 4 4 1 4 4 (AGCH) 76 ">4 3.2.7-11. LL0CA4 4 4 5 . 1 (Loop D 4 4 4 2 4 4 4 ^ A34BoV
4^2- 76
- xx -
:±4 34 34
^4 34
:±4 34 34 34 34 34 34 34 34 34 34 34 ■ - » - «
-"8
3.2.8-1. 4 1 4 FP 4 1 - s l l 4 4 ^ 4 4 4 Csi 4 4 4 4 85 3.2.8-2. 4 1 4 FP 4 # S l l 4 4 ^ 4 4 4 Te02 4 4 4 4 85 3.2.8-3. 4 1 4 FP 4 # s - l l 4 4 5 - 4 4 4 Csi 4 4 4 4 86 3.2.8-4. 4 1 4 FP 4 4 2 . 1 1 4 4 5 . 4 4 4 4 2 4 4 4 4 4 Csi
4 4 4 4 86 3.2.8-5. 4 1 4 FP 4 # s l l 4 4 4 4 5 . 4 4 csi 4 4 4 4 87 3.2.8-6. 4 1 4 FP 4 # s l l 4 4 4 4 5 . 4 4 Csi 4 4 4 4 87 3.2.8-7. 4 1 4 FP 4 # s l l 1 4 2 4 0 } -§-71 4-f- Csi 4 4
4 4 88 4 1 4 FP 4 4 2 1 1 4 4 ^ 4 4 4 ( 4 4 / 4 4 / 4 4 4 ^ 4 2 4 4 4 4 p o o i ) Csi 4 4 4 4 88 NUREG-0772 44(07-C-R-90), 4 4 1 £^*1 Csi -^4 4 4 89
3.2.8-10. IDCOR 44(ID-C-R-90), 4 4 1 ^r&*l Csi 4 4 4 4 89 3.2.8-11. NUREG-0772 ^4(07-C-R-90), 4 4 1 ^:^%1 Te/Te02
441Bot[Kg] 90 IDCOR ^§4(ID-C-R-90), 4 4 1 § 5 ? Te/Te02
441Ec>[Kg] 90 4 4 ^ 4 4 4 4 4 1 4 FP 4 4 4 (N-0772) 96 4 4 ^ 4 4 4 4 4 1 4 FP -^f44 (N-0772m) 96 4 4 ^ 4 4 4 4 4 1 4 FP 4 4 4 (IDCOR) 97 4 4 ^ 4 4 4 4 4 1 4 FP 4 4 4 (IDCORm) 97 2 4 4 4 4 4 4 4 1 4 FP 4 4 4 (N-0772/N-0772m) 98 2 4 4 4 4 4 4 4 1 4 FP 4 4 4 (IDCOR/IDCORm) 98 N-0772 ^ 4 , 4 4 1 441Bo>(Kg) (Sr0/Mo02) 99 N-0772 ^ 4 , 4 4 1 441Bc1:(Kg) (Ba0/La203) 99 N-0772 ^ 4 , 4 4 1 441Bc1:(Kg) (Ce02/Sb) 99
ISAAC 4 4 2 - 4 4 ^ 4 4 ^ 4 4 4 FP °]&/%^ ^ 3 1 4 2/3/4 LLOCA4 4 4 1 4 4 1 * 3 4 4 (Csi) 4 a 104 *!*]- 4 4 4 # ^ 4 4 ^ 4 4 4 4 4 4 4 3 (Log scale) 106 A}*)- 4 4 4 # ^ 4 4 ^ 4 4 4 4 4 4 4 3 (Linear scale) 106
3.2.9-5. 4 4 4 4 4 4 1 4 4 ^ 4 4 4 # 107
->-4 3.2.8-8.
->-4 3.2.8-9.
^ 4
->-4 3.2.8-12
8-13
8-14
8-15
8-16
8-17
8-18
8-19
8-20
8-21
9-1.
9-2.
9-3.
9-4.
- xxi -
4 3.3.1-1. ika. 4 4 4 4 4 i n ^ 3.3.1-2. C T 4 4 4 4 4 4 4 112 ^ 3.3.1-3. C T 4 4 4 4 4 4 4 4 113 ^ 3.3.1-4. C T 4 4 4 4 4 2 4 4 113 4 3.3.2-1. 4 4 4 4 4 ^34 4 4 116 ^ 3.3.2-2. 4 4 4 4 4 4 4 2 - ^ 4 a 117 4 3.3.2-3. ^ 3 4 4 5 - 4 4 4 4 4 4 4 2 . 117 4 3.3.3-1. L0FW4 7 ( 4 2 . 1 4 4 4 1 4 2 , 3 , 4 ^ 4 <&^ 3 - 4 1
1074 108 zLelji 5 - 1 4 4 4 4 LACS 4 4 4 4 4 4 4 4 4 4 3 (kg/sec) 124
4 3.3.3-2. LOFW4 4 ^ 2 - 1 4 4 4 1 4 2,3,4^7) <&^ 3 - 4 1 1074 108 ZL43. 5_14 4 4 4 LACS 4 4 4 4 S 4 4 4 4 4 3 (kg/sec) ( 2 ^ 4 1 4 ) 124
4 3.3.3-3. LLOCA4 7 ) | 4 2 - 1 4 4 4 1 4 2 , 3 , 4 ^ 4 4 5 . 3 - 4 1 1074 108 ^ - 4 3 5_14 4 4 4 LACS. 4 4 4 4 S
4 4 4 4 4 3 (kg/sec) 125 4 3.3.3-4. LLOCA4 4 4 2 - 1 4 4 4 1 4 2 , 3 , 4 ^ 4 4 5 . 3 - 4 1
1074 108 ke l jL 5 . 1 4 SMW LACS 4 4 4 4 4 4 4 4 4 4 3 (kg/sec) ( 2 ^ 4 1 4 ) 125
U 3.3.4-1. CT 4 4 4 4 4 4 4 4 4 ^ 0.1 MW/m2 $1 0.2 MW/m2S 4 4 * 1 4 4 4 4 4 4 4 4 4 4 4 1 4 1 ^ 126
4 3.3.5-1. L0FW444 FSAGKT4 4 ^ 4 4 ^ 14 4 ^ A 3 4 4 4 3 132 ^ 3.3.5-2. L0FW444 FSAGKT4 4 ^ 4 4 5 . 24 4 ^ A 3 4 4 4 3 133 4 3.3.5-3. 4 4 5 . i (LOOP 1 ) 4 4 4 2 4 4 4 ^ ^ 3 4 ^ 4 3 . 134 4 3.3.5-4. 4 4 5 . 2 (LOOP 2 ) 4 4 4 2 4 4 4 ^ ^ 3 4 ^ 4 3 . 134 4 3.3.5-5. 4 4 ^ i (LOOP 1 ) 4 4 4 2 4 4 4 4 £ U r 4 S 4 !
4 3 . 135 4 3.3.5-6. 4 4 5 . 2 (LOOP 2 ) 4 4 4 2 4 4 4 4 £ U r 4 S 4 !
4 3 . 135 4 3.3.5-7. 1 4 2 . 4 4 4 4 4 4 4 £ f e 4 S 4 1 4 3 . 136 4 3.3.5-8. 3 . ^ FSAGKT (0.1, 0.3, 0 .5 )4 4 ^ 4 2 l (30^,
3600^)4 4 4 4 4 ^ 4 4 4 4 4 1 4 3 136 ^ 3.3.5-9. 4 4 ^ 1 (Loop 1 ) 4 4 4 2 4 4 4 ^ ^ 3 4 ^ 4 3 . 137
- xxii -
3 .4 3.3.5-10. 4 4 5 . 2 (Loop 2 ) 4 4 4 2 4 4 4 ^ ^ 3 4 ^ 4 3 . 137 3 . 4 3 .3 .5-n. 1 4 2 . 4 4 4 4 4 4 4 ^ 1 ^ 4 5 - 1 - 1 4 3 138 3 4 3.3.5-12. 714 FSAGKT (0.1, 0.3, 0 .5 )4 4 ^ 4 2 l (30^,
3600^)4 4 4 4 4 ^ 4 4 4 4 4 4 4 3 138 3 . 4 3.3.6-1. ISAAC 2 . 1 1 LLREF 4 7 1 ^ 4 4 4 4 4 4 4 ) 4 4 4 ^
^ 3 4 ^ 4 3 . 140 3 . 4 3.3.6-2. ISAAC 2 1 1 LLREF 4 T I 4 4 4 4 4 4 4 4 4 4 4 ^
A 3 4 4 4 3 140 3 . 4 3.3.6-3. ISAAC 2 - 1 1 LLREF 4 7 1 ^ 4 4 4 1 4 2 . 4 o | - 3 ] - 4 4 £ |
4 ^ ^ 3 4 ^ 4 3 . 141 34 3.3.6-4. ISAAC 2-1 1 LLREF 43.^444 2 4 (Loop 1)4)44
4 ^ A344 43. 141 34 3.3.8-1. 4*J LOCA44 4 4 4 ^ 444 44 445. 14)44
4 4 4 S 4 1 4 4 4 3 . 147 34 3.3.8-2. 4*J LOCA44 4 4 4 ^ 444 4 4 4 4 ^ 2444
4 4 4 S 4 1 4 4 4 3 147 34 3.3.8-3. LOFW44 4 4 4 ^ 444 4 4 445. 14)44 44
4 S 4 1 4 4 4 3 . 148 3 4 3.3.8-4. LOFW44 4 4 4 ^ 4 4 4 4 4 4 4 5 . 2 4 4 4 4 4
4 5 - 4 1 4 4 4 3 . 148 3 4 3.3.8-5. 4*g LOCA 4 3 4 ISAAC 1.0 4 # 2 . 1 4 4 4 Csi 4 #
4 a 4 4 149 3 4 3.3.8-6. 4*g LOCA 4 3 4 ISAAC 2.0 4 4 2 - 1 4 4 4 Csi 4 ^ -
4 a 4 4 149 3 . 4 3.3.8-7. LOFW 4 3 - 4 ISAAC i .o 4 4 2 - 1 4 4 4 Csi 4 f 4 r a
4 4 150 3 . 4 3.3.8-8. LOFW 4 3 - 4 ISAAC 2.0 4 4 2 . 1 4 4 4 Csi 4 # 4 a
4 1 151 3 . 4 3.3.10-1. 4 4 2 1 1 4 ^ - 4 4 4 csi 4 4 4 4 3 . 163 3 . 4 3.3.10-2. 4 4 2 1 1 4 ^ 4 4 4 Ce02 4 4 4 4 3 163 3 . 4 3.3.10-3. 71)4 4 4 2 1 1 4 ^ - 4 4 4 sb 4 4 4 4 3 . 164 3.4 3.3.10-4. 71)4 4 4 2 1 1 4 ^ - 4 4 4 Mo02 4 4 4 4 3 . 164 ">4 3.3.11-1. 1 4 4 i 4 Csi ^S. [ 4 4 ] 173
- xxiii -
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4 4 5 . 4 4 4 4 : 2 - 1 - 4 4 4 : 4 : 4 328
- xxv -
411& 9i^n^ 3^i|o| 7HS.
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44444^ 44444^44^('94. 9)4 444 "44434 44 44 ^ 4 4^ 4^ * ^s}^ fl^> ^4 ^ ^ ^BJ44 441 44"4 4 ^43. ZL 1^5. -4 2^ 444) 44 4443. 4:44^4 -S-44-& 4. 444 £.4444 44444 444 44 44 445-4 444^ 4 44 41S 44 ^444 4443 14444[i]» ^4^-5. 44 14 ± 4*J15. 4443444444 41 #444, 7}4 44:541 444-b 4^4 7i)44 4344 4444 &7] 444 444 4444 S44 4 3.4:4 14444* 444^-5. 7)|l*}-o_s4 44 4 ^ 5 . 4tS44 1 4^ 3.4 144 444 4443.4:4 3-44444- 41444 444-3.
4 4 4 4 4 1 4 4 i 4 l 4 3 -44^ #44711- 4 4 4 ^ . ^ 4 4 4 3 . 471 4 *3 4 4 4 € 4 4 4 ^ - 5 . 4 4 4 4 3 1 4 4 4 4 4 4 4 - ^ 4 4 4 4 4 3 4 4 4 4 ^ 4 4 4 4 4 1 4 4 4 4 1 4 4 4 1 4 £ . ^ 4 4 . 4 4 ^m 2 4 ^ 4 34^.4144 4 4 4 4 4 4 4 4 3 4 4 3 . 2 1 - * ^*}JL 4^-4 4 4 ^ 4 4 - 4 4 4 4 3 . 4 4 4 ^ 4 4 4 4 3 ^ ^ 4447} 5_443 4 ^ MAAP4-CANDU[2]4 ^ 4 4 4 5 - 4 4 3 4 4 ISAAC3.2.[3]44 4 4 4 4 . 3 .44 MAAP4-CANDU2. 4 4 4 4 % 4 4 4 ISAAC.3. 71- 47144 4 4 4 4 71)14^4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 2 1 - 4 4 4 4 4 4 4 3 4 4 4 4 4 1 4 1 4 4 3 4 4 4 3 4 4 .
- 1 -
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4 4 4 # 4 4 3 . 4 4 4 4 4 4 4 4 4 44 :5 #4^-5. 4 1 4 £ l ^ 4 3 4 s. 4 4 3 2 ^ 14 4 4 9i 24 4 4 , 3471 447(\*4 45.4 4 4 4 CANDU 4 4 4 4 4 # 4 4 3 # 4 4 4 4 4 4 4 4 4 4 ^ 4 1 4 4 4 . 4 4 4 4 4 1994444 1997444 ^$51 1 4 2,3,4^4 244 4 4 4 4 4 4444 [414 4 4 4 4 4 4 4 4 4 ^.^-^7} ISAAC 1.0 443.2.[3]# 7l) 1 4 ^ ^ - 4 , 4 4 4 4 4 4 ^-^ 4 4 4 4 4 4 4 4 1 4 4 4 4 £-4 4 4 ^ 4 4 4 4 4 4 4 4 4 4 4 4 4 1-&-4 4 2 4 3.2.7(1} 4 4 4 4 4 ^ ^ - 4 4 4 #5 . 4 4 3 2 # 4 4 1 4 4 4 447} &44. 3 4 4 4 ^ 4 4 4 4 7 ( 1 4 4 4 4 4 4 4 4 4 4 3 ^ 4 4 4 4 4 4 4 4 2 1 ^ 4 5_4 4<# 4 3 . ^3-4 # 4 4 T I 4 4 2 l i f 4 l.S-44 ^ 4 . 444*<j--^-5. 4 4 4 7} J5L443- £14 MAAP4-CANDU# 2 . 1 4 4 tioV44 3-41 4 £l°-4 2.14 -^r^k 7i4M4 4 4 4 4 Si- -4 MAAP4-CANDU# 2 . 1 4 4 4 2 2 1 7 ( 4 4 4 4 4 4 4 4 4 4 4 3 # 4 4 3 . 4 4 3.2.4 4 4 4 2 4 4 : 2 4*344 4 4 4 4 . 4 4 4 ^-4 4^- 4 4 4 # ^ ^ 4 4 4 # 4 4 3 4 4 4 4 4 2.1 4 4 4 4 4 4 4 4 4 3 -7} 4 4 4 ^ # 4 3 4 4 3 4 4 4 4 4 4 444142. 447} 5.443. £14 ISAAC 1.04 7 ( 4 4 4 3^44 5-4 J L 4 4 4 3 . 4 4 4 4 45_1 4 £144 4 4 4 4 4 4 3.24 2 l 7 ( 4 ^^^ 4*344 4 £14.
4i3^ £4-7i ^*i
#4434:44 54 4£ A^-b 4344 44, 444 4 1-&- 45. 4 4, 144 4/3L4 444, 2.4 4 44 14 44, ^4 ^44. £ <g 47(1444 444 444 444 47j) A ^ # 7(144 4^-5. 44 24 4414 4*34 444 ^44 444 14.
44 #443 4:4414 444 (i) 44 14444 4-2- 14 Si 44 3, 44 44^-^ #44344 44444 2#4^4. 44 14 2,3,4 41 44 4444 444 ^7}[4] ^$^ f-44 44 #443 44 14 44 4<g4&4. 3L4 144-^5 144 £14 44:541 44 #443 4 4 444(4, 4^- s#44 434:4444[U, WOG 434:44^4[5] 4 CEOG 434:4444 [6] )2. 4 ^ 1 4 £144 4S4&4.
(2) # 4 4 3 4 : 4 4 1-&4 45.7} 4 4 4 4 4 £1^-4, 4 4 4 ^^-^ 4 * 4 ^ 1 4 1 4 £147} 4 4 *ov14 444^1^-4 4 4 3 4 4 4 4 : 2 4 4 4 * 3 4 4 4 4 . l £ - ^ 5 . 4 ^ 4 4 4 4 1 ^ - ^ 4 1 4 ^ 4 £14 4 4 4 4 4 4 S ^ 4 £14 4 £14.
(3) # 4 5 . 4 4 # 4 4 3 1 4 4 4 3 ^ 4 4 4 4 4 4 1 4 £14 4 4 1 4 4 4 4 4 1 4 4 4 4 4 * 4 3 4 4 ! 4 S d 4 . 4 * 4 3 4 4 4 4 4 4 4 J2-S4 4 4 4 4 4*3%V^-S4 4 4 1 4 £14 # *0\ 3 4 3 1JSL4 4 4 1 4 4 4 s * ^ 4 4 .
4 4 3 L 4 4 ^ . 4 4 <$
ISAAC 4 4 3 2 7 (44 4 4 4 4 4 4 4 4 1 4 4471)14 4 * 3 4 ^ 4 .
(1) 1 4 2^4 4 4 4 4 4 4 4 4 4 1 4 4 5 . , 4 4 4 5 . , 1 4 4 4 4 4 1 , 4 4 4 3 ISAAC 3 2 4 1 4 4 i 2 .14 4 4 4 4 ^ 4 4 1 4 4 i 4 4 4 4 4 4 4 4 4 5 - 4 4 4 4 3 4 4 4 5 . 4 4 4 4 4 4 ^ 4 # 4 4 3 4 44-^-4 2 4 , 4 4 4 ^ 4
(2) ISAAC 1.0324 7]^ 2 1 4 4 4 4 £ l 4 . 7|^4 ^ 4 ^ 2 . 4 2 . 1 , 4 1 2 l , 2 4 4 4 2 - 1 , 44414 2 l , 4 ^ < ^ M s H> ^^r 4 4 / 4 4 / 4 4
- 4 -
21 f-4 444 £^4-3. 4 211-4 444 44244, 434*34 44 4447}, 324 4444 24 ^4 4*34^4.
(3) ISAAC 1.032.4 4# 2.1 #4 47}444 71)44^4. 71 4 ISAAC 324 142.44 44 47}^ 4444 4444 4^44 14244 4 M4 47}:5 ^SA^r* 5.444 4^, 444 *3 3.52.44 441^3 4 s 3-
44 4444 4^ ^# 2.41 47} tin}. ISAAC4 1444 4 4444 4 144€ 44 224 44 (nodalization scheme) - 4444 &3 3 2 44 34^1 44:214 7}43 £14 444 21 44 £14 &4 44 £■ #7}4 34444 1-S.44 S4. 44444 4 324 427} 444 4 444 444 £i£U4 4 44 #443*4 24444 44 444 1 2^ 241 1-M- &£1 4 4344 44444 44 444 444 1 -g-*fb 4^4 444-5- 24 4^4 1-S.44 444 444 2.1#4 4 7}4^4. 343 #443 444 4444 444 211-4 444 44 444 444214.
44414 4#4 444 #4^-^ 4 5.344 42444 #4434:4 44 7(14 # 4 ^ 32.4 4:4 1 -44 4 * 7(1 4%4 444^4.
434414 4444 447(1 ^$ 44 4 144 34 14 44^-5. 444 444&4. 4H414 ISAAC 44 32.# 444 # ^ 4 4 4 1BJ 44, 44 4 14, 42144 ISAAC 4432.4 2.144, 431 4 ISAAC 44324 2l7(4 44, 44144 #4^44 434:44 44 4^44444 ^ 1444 PSA 4444, 4^44 #4^4 4 :5444 1444 Si #443 4*3 4444, #4^41 444 24 4344 7(144, ^.^^S 442 71)444, 45144 # 4 ^ 7j)14 44 44 4*43, 46144 44 5. 2-7- 4441, 47144 44 ^2-^ 444 4*44 £14.
4 AI
4 4 7]
444444 4344 4*4 444 444 4 ^ 142 4 44 442 4 444 £-44-4 4444£U, 4544 447(1144 144^)4, 464 44 ^3444 4445d4.
- 5 -
*i i2a ^L,H<^I 7 i # 7 H ^ s »
4U1 4^43.^4x1^^1 4*1 ^%
3 4 ^ 4 4 4 4 4 # 4 4 3 4 4 4 4 4 ^444-5-5 . 1 1 4 4 7(14£i 4 . 4 4 4 A ] 7i)44 1 4 4 3 4 4 4 4 - 5 . ^ 4 WOG SAMG # 4 4 3 4 4 4 4 [5], CEOG SAMG # 4 4 3 4 4 44[6] , OECD/NEA # 4 4 3 4 4 4 4 , NUREG/CR-5856 # 4 4 3 4 : 4 4 4 [ 7 ] 4 4 4 £14. ^ 4 4 4 4 4 ^ 4 4 A 4 4 3 4 4 4 4 4 * 4Eov-5-5. 4 ^ - 4 4 4 4 4 ^ 7 } ^-4 3 4 ^ s # 4 4 4 4 4 1 4 £14 4 4 4 4 4 1 4 & 3 4 * ^ 4 5 . 4 1 4 7 } 4 4 1,2 ^ 4 # 4 4 4 4 4 4 4 : 5 4 4 4 4 1 4 ^ 3 4 4 3 4 4 4 4 4 4 4 4 4£14. 4 4 4 # 4 ^ 4 4 4 4 4 1 4 £14 4 3 4 : 4 4 4 4 4 4 4 4 44- 44414 7(4 # 4 4 4 7 ( 4 4 4 3 4 4 4 4 4 4 4 7(4 4 4 4 4 4 4 4 COG(CANDU Owners Group) 4 4 4 # 7 ( 4 4 & 3 £1-5-4 4 4 4 4 4 4 4 4 4 4 ^ 4 4 1 ^ 4 - 4 ^ 4 3 4 : 4 4 4 4 * 4 ^ 3 £14. 4 1 4 4 4 44:541 4 4 4-5- # 4 4 3 4 4 4 4 4 ^ 4 4 & 4 .
1. WOG SAMG # 4 4 3 4 4 4 4
WOG SAMG 4 4 4 # 4 4 3 4 : 4 4 4 4 4 1 - 4 4 4 4 4 4 4 * J 4 4 4 4 4 4 4 Severe Challenge Guideline(SCG) 4 3 ^ 4 ^ 4 4 4 4 4 4 Severe Accident Guideline(SAG) *.£. 44-5.^ "7-444 7(14^4. 4 4 4 4 4 4 4 4 1 4 SCG 4 4 47}4 4 4 4 £13, SAG 4 4 87}4 4 4 4 £14. 4 # SAG-4 4 SAG-8 4 4 4 ^ 4 4 4 4 4 4 4 4 44-5.5. 4 1 - 4 4 *JB( 4 4 4 4-g-^ ^ 4 ^ 4 4 3L4 4 4 4 4 4 4 4 4 4 4:5 4 4 4 & 4 . SCG 4 SAG# 43-45-4 4 4 4 4 4 4 £14. 4 , SCG-I4 SAG-5, SCG-24 SAG-6, SCG-34 SAG-7 4 4 4 4 1-5-4 4-g-44o] 45.71, SAG 4 4 4 4 4 4 4 4 4 47}4 4 3 4 4 4 4*31 4 4 7 } # 1 4 4 4 4 4 4 SCG 4 4 4 4 4 4 ^ 4 4*34:24 4 3 £14. SL 4 4 1 4 £14 4 7l 5E4 4 4 4 SAG 4 4 4 SCG 7} 4 4 4 4 . ^-4 SCG 4 4 4 4 1 - 4 4 4 1 4 4 ^ 4 4 4 #-5-4 ^r^ 4 4 5 . 4 1 - 4 4 4 4 4 4 4 4 3 £14. 4 4 4 WOG SAMG4 4 3 4 4 4 4 4 4 .
- 6 -
o SCG-1 o SCG-2 o SCG-3 o SCG-4 o SAG-1 o SAG-2 o SAG-3 o SAG-4 o SAG-5 o SAG-6 o SAG-7 o SAG-8
Mitigate Fission Product Releases Depressurize Containment Control Hydrogen Flammability Control Containment Vacuum Inject into the S/G Depressurize the RCS Inject into RCS Inject into Containment Reduce Fission Product Releases Control Containment Conditions Reduce Containment Hydrogen Flood Containment
2. CEOG SAMG # 4 4 3 4 4 4 4
CEOG SAMG444 4 4 4 1 4 i47j)4 434 :4 4 4 4 4 4 4 £ l 4 .
o Inject Into the RCS o Depressurize the RCS o Inject Into the S/G o Depressurize the S/G o Spray into Containment o Operate Containment Fan Coolers o Vent Containment o Operate Hydrogen Recombiners o Flood the Reactor Cavity o Restart RCP o Vent the RCS o Spray the Auxiliary Building o Flood the Auxiliary Building o Spray the Outside of the Containment
- 7 -
3. OECD/NEA # 4 4 3 4 4 4 4
OECD/NEA444 4 4 4 1 4 167(4 4 3 4 : 4 4 4 4 4 1 4 4 & 4 . 4 4 4 4 o]x\ 4^-45 44(Flood secondary containment)4 4 4 4 1 " 4 4 1 4 (Spray secondary containment)444 4 4 4 4 4 1 4 4 4 4 ^ 4 4 4 4 4 .
o Inject Into the RCS o Depressurize the RCS o Inject Into the S/G o Depressurize the S/G o Inject into Containment o Vent Containment o Restart RCP o Operate Hydrogen Igniters o Operate Hydrogen Recombiners o Operate Containment Fan Coolers o Spray into Containment o Flood Secondary Containment o Spray Secondary Containment o Flood Reactor Cavity to Cover RPV Lower Head o Steam Inerting/De-Inerting of the Containment o Limit the Radioactive Release by Filters
4. NUREG/CR-5856 # 4 4 3 4 : 4 4 4
NUREG/CR-5856444 127(4 4 3 4 : 4 4 4 4 4 1 4 4 ^ 4 . NUREG/CR-58564 4 4 4 4 4 3 4 4 4 4 # Feed and Bleed# 4^^r}3-4 ^ 4 4 4 4 4 4 y\^^l 44444. 44 s#*J 44 4344444 1444. 4444 4 Feed and Bleed 4 4 4 2 4 4 4 4 4 4 4 4 4 . 4 4 4 NUREG/CR-5856 4 4344 4444.
o Inject Into the RCS o Depressurize the RCS
- 8 -
o Inject Into the S/G o Depressurize the S/G o Flood Containment o Vent Containment o Operate Hydrogen Igniters o Operate Hydrogen Recombiners o Operate Containment Fan Coolers o Spray into Containment o Flood Reactor Cavity to Cover RPV Lower Head o Feed and Bleed
5. 44 345. S#*J44 #44344 44
44 34^4 44 s ^ 44 434:4444 77(4 #444-5-5. 44 44 £1 -4 4 444 44, ^444, 4444 3L4 444 a 2.1.5-1 41 -5-44^4. 4414 4*4 4444 4344 444 44444 44 4 14 444 7}43 £14. £
WOG SAMG4 4 3 . 4 4 $ 4 SAG 4 SCG s. -7-444 £14 4 . 4^- 3 4 5 . S4*J 4 4 4 3 4 4 4 4 4 4 4 4 4 4 ^$ 4 M 4 4 4 1 4 4 i 44141 4 4 4 4 4 *<M- 37}44fe 4 3 , 4 4 4 <$4 47} &4 4 5 . 4 4 4 4 ^ 4 ^ ^ - 4 ^ 4 . ^, iy-441 4 4 4 4 4 3 1 - 4 4 # 4 4 *J *A^ 4 4 4 4 4 4 5 L 4 4 3 , 4 4 4 4 # 4 4 * J »A^7\ 1 4 4 * ^ 4 4 4 &4 4 414 1 4 4 i 4 4 4 4 4 1 4 4 4 4 4 4 ] 4 4 4 4 4 4 4 4 4 4 4 *344. 3 4 4 4 4 444) 4 4 4 4 # 4 4 * 1 »A^7\ 1 4 4 4 ^ 4 4 4 4 4 4 * 3 # 4 4 4 4 4 4 4 4 4 4 # 4 4 3 4 4 4 4 # 4 4 * 1 4 4 4 4 4 1 4 £14 4 4 4 4 4 4 44*1-2.4 4 & 4 .
WOG SAMG4 4 3 - 4 4 4 1 - 4 4 4 4 44(Containment Vacuum) 4 4 4 4 4 44 &£14. 4444 444 #-2-44 44 344 44444 341 4 31-44 444 44 444 4444 447} 4444 445. 4444 4444 444 4444 4444 44. 44 4444 444 443 4 1-44 44#4 441- 44444 144^-5. 34444 44 447} 4
- 9 -
4 44444 4444 m»^ ^ £14. 44 345. s^*j 4444 4444 444 141 4 445. 441 4 £14 444 MAAP4 444 4 44 -5.4 psig s. #444 -4.0 psig 14 4-5-4 ABAQUS 321- 444 31-44 444 444 444 -5.4 psig 442 41-444 4444 4 444. 444 4444 44 444 1-5-44 &43 4 4 £14.
CEOG SAMG4 4 3 4 4 4 ^ 4 4 4 4 14(Spray the outside of the containment) 4 4 4 4 4 4 4 &£14. 4 4 4 4 4 4 1 3 4 4 4 1 A 3 4 4 4 4 4 4 4 4 4 5 - 4 4 1 4 4 4 4 4 4 1 4 4 1^5-4 * § - 4 4 4 4 1 ^ 3 4 4 4 1 4 4 4 1 4 £14. 3 4 4 , 4 4 4 4 4 4 4 1 4 4 4 4 4 4 4 4 ^ 4 * 4 4 4 4 4 4 4 4 , 4 4 4 4 4 4 4 4 44441 :2# 4 4 4 4 . 4 4 4 4 4 4 1 4 4 v}^*! 4 4 4 4 4 4 , 4 4 4 4 1 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 - 7 ^ 4 4 4 4 1 ^ 3 4 4 4 4 4 4 4 1 ^ &# rfj 4 4 ^ ^ 0 . 5 . x&m f 4 4 . 4 4 4 4 4 4 4 4 4 1 4 4 1 2 4 4 ^ - 5 . 4 4 4 4 ^ 3 , 144i4l 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 J I I 4 4 1 4 £1:24 4 4 £14.
CEOG SAMG4 H |344 RCP 44^(Restart RCP) 4 4 4 4 4 4 4 &£t4. RCP» 4 4 4 4 4 4 4 4 4 4 , 4 4 1 ^ 4 ^M. 4 4 4 4 4 4 4 £14 4 ^ 4 7144 4 4 4 ^ - 5 - 4 4 4 1 ^ 3 4 4 4 4 1 4 4 4 ^ 4 %MM43, 4 4 , 4 4 : 5 4 4 4 4 ^3447} &4 4 # 4 4 4 4 4 4 £14 ^ 3 4 4 4 4 4 ^ 4 4 4 5 . ^1*^^.5.4 4 4 : 5 4 4 4 4 4 4 4 ^ 4 4 4 4 4 4 4 . 4 4 1 ^ 3 4 4 ^A: 1 4 4 * 4 4 4 4 4 4 Res 4 4 4 4 4 4 4 4 1 ^ 4 4 4 4 4 4 4 * 3 4 4 4 4 4 . 4 4 1 4 RCP 4 4 4 4 4 3 4 4 4 4 2 4 2 2 4 4 4 4 4 4 4 4 4 4 4 4 4 5_44 3 ^47} 4 4 4 4 4 4 4 ^ 4 ^ 4 0 . ^ 4 4 4 4 4 ^ 3 , RCS 4 4 4 4 4 4 4444-5 .5 . 4 4 4 4 £14.
CEOG SAMG4 4 3 4 4 RCS 47](Vent the RCS) 4 4 4 4 4 4 4 &£14. Rcs» 4444 444 44, 44:544 444 4444 £14 4444 444 444^:54 441^344 f-4 144 4^# 4=4443, 1-4, RCS 444 ^4 4 Rcs» 4144 544. s^ 4444 Res 444 4 41 4 44 444 44^344 44 44 44(RCGVS)4 4 4444
- 10 -
4 4 4 4 4 4 3L4 # 714^4 4 4 4 4 4 4 4 , 4 4 4 4 4 4 4 4 4 1 4 &4 4 2 £14. 4 4 4 RCGVS# 4 4 4 RCS 4 4 4 I 2 4 44-5.14 4 4 4 4 &3, RCS 4 4 4 4444^-S 4 4 4 4 £14.
- 11 -
5: 2.1.5-1 44 345. ^4*J 44 4344 44
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- 12 -
4121 445L 4 ^ 4 3 - 4 W f ^ i l l £ 7^ ^ %
4 4 5 . 4 4 4 4 4 4 4 4 3 4 4 4 2 4 1 4 4 4 4 4 3 2 . ^ 4 19904 ^ 4 7(444 444-5- 4 4 4 4 4 4 4 FAI(Fauske & Associate Inc. )7\ 4 4 7(14 MAAP-CANDU7} £1.5.4, 4^-414 4 4 MAAP4-CANDUH 7(444 CANDU 6 s ^ 4 4 4 4 4 4 4 4 3 4 4 4 4 4 1 4 4 3 £14. CANDUH Jii 4 4 3 £14 47}44 244 % » 4 4 4 4 4 3 7 } 4 4 3 4 4 4 4*31 4 4 4 4 MAAP4-CANDU2. 4 4 4 4 4 1 2 . ( 4 4 4 2 - 4 -7-4, 3 2 4 4 4 ) 4 # 1 1 5-5.^ 4 4 4 4 , AECL44 4 4 4 ^$ 4 4 4 CANDU 3 4 4 4 4 4 4 4 1 4 1 4 4 4 4 4 4 3 4 ^ 4 MAAP ^^TO_$_ 1 4 1 7}v£4 *14. 4 4 4 4 4 1994444 1997444 ^SQ 1 4 2,3,4^4 244 ^ 4 4 4 4 4 4 3 7 } # 4 4 19954 4 4 FA144 ISAAC 1.0 4 4 3 2 . # ^-^ 7(14^14. °] 3 2 4 4 MAAP 4# ^-4-5.5. CANDU 3 4 4 4 3 4*34 4 4 4 4 4 4 5-4*H ^ 4 4 £ U , 4 4 447} -f-^-4 4 4 4 4 4 4 4 5. 4 4 4 1 4 4 4 4 3 4*3 4 4 ^ 1 4 7(144 £14. 34 :5 4 4 4 4 4 4 4 4 3 4*34 4 4 4 4 1 4 4 4 447} 4 4 4 4 £144, 4 4 ^ 4 4 4 4 4 43- 4*34 4 4 4 4 4 45.7} ^ 5 . 4 4 &4 *J444. 4 4 , 4 4 45.4:4 7}1^ 4 4 4 4 4 1 4 4 4 45-4 4 14240} , 4 4 ^ 4 4 4 4 4441 4 4 4 4 3 2 1 4 4 4 3 . 1 4 £14 4 4 4 4 45.7} #o| -f^-44 4 4 4 4 4 4 4 4 4 4 4 3 4 4 2 1 4 4 4 4 4 4 4 4 # # l ^ . k 4 3 £1-5-4 o]^ MAAP4-CANDU2. 4 4 4 4 4 4 4 .
ISAAC4 MAAP4-CANDU7} 2 -41 4 £14 4-5. 4 4 4 3 44-5.^4 4 4 4 4 4 £14. o 14/444^-, 142.4of -71, <£4444, 142.40)- .g-e * Q
45. 444144 1444 144 44 o ^47}1, J2444
o #44 44 45.4^4 *Wtf4 4 ^^-H o 144f-, 1424of -g-71, 44240} I-M, SE^ 445. 444 44 o 7}44444 44i o -g-g-1-4 4444441 44 4441 o 244444 434 M 4^44 o 441^3444 44, 44, 9J 44 4
- 13 -
413^ £4-T1 *i n ^ 4 ^ 4
41 i l ^1^13.^4 °14tl 44541*1 s . 1 ^
4 4 1 4 4 i 4 1 4 2 J L 4 S . 4 4 4 3 1 4 4 i 4 1 4 4 5 . 4 4 4 4 5 - %-44*J 4 4 4 4 4 4 3 4 4 3 2 . 4 ISAAC32.( Integrated Severe Accident Analysis Code for CANDU Plant)7} 1_S_5. 4 4 4 4 45-H 4 4 , 4 4 4 4 4 4 5 - 4 4 4 4 4 1 4 4 4 4 , 1 4 2 . 4 4 , 4 4 5 - 4 4 , 4 4 4 4 4 4 4 4 ^ 2 4 4 3 , 1 4 4 i ^ 7 ) ^ 4 ^ 3.2. 4 4 4 4 4 4 1 4 4 5 . 4 ^ 4 4 ^ 1 4 . ^ 4 1 4 4 5 . 4 4 4 £ 4 4 4 4 4 ^ 4 4 4 4 4 3 4 4 4 J2-4 4 4 4 4 1 4 3 , 4 4 1 ^ 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 , 3 4 3 144i 4 2.4 3-4444 4144 43# 2.443 444&4. 44 4 444 4#£.34 [8]4 4^4£l4.
ISAAC321- oj.g- 4 44^- J&4444 4444 144i 14 ^4 44 4 444 S4 45.#o) ^^.44 514. °1 324 14^-^4 4444 444 444 44 4432.^4 lo] 44^4 4 4f-ls. 1.&.4 45. 44 4 4 1 4 £1^4 44 £14. 4^44 4444^-^4 38044 44 45.4:(Channel)4 7607(4 ^-44(Feeder) 4 87(4 445. 445. 44 44 44:54, 444 441^34, 444 1 ^ ^ , 4 7}44l- &#*} 44 244 44^5. 444 14444, 4444 4444 444 fiW 4 14244 44, 44:544 4 4444, 4424 ^3444, 4 44 ^544 44 44 4 4 £14. 4 444144 14 2JL71 444 4^14 ±3. 4443 o]§ 4444 2.444 444 14 2JL44 44 44 1 445.4 44/44 44 24, 4445., 4 144 ^ 4444 444 4 4 4 3 ^ 4 ISAAC32. 444 44 214^4 4444 1445-1- 4 44£14. ^ 4 444 4445.4 <A^ 444 4^44 4 4 4 3 44 4-5-4 444143, 4*J u344 4143, 4 441^34 44: 4443 4 4444 43444 4*34&4.
- 14 -
2. 214 44
ISAAC 32.4 ^ 4 4 4 4 5 - 4 :244 4 ^ 4 4 4 4 4 , 4 4 4 4 (Nodal izat ion Scheme) 4 4 , 142.4o}3j/<y-^3j-/4<£5_/6l ^JJLO]^.
(Inlet/Outlet Fitting)4 ^^k^-4 4 4 , 3 4 3 4 S 4 5 - 4 1 3 4 3 4 5 - 4 1 1 4 4 4 4 4 4 ^ - ^ 4 4 4 4 £14. ISAAC4 2 4 4 4 4 4 4 4 4 4 5 . 1 5 . 4 4 ^^-ir 4 5 . 4 4 4 3 4 ^ 4 * 4 444(Peaking Factor), ^ 4 ^ 3 4 4 4 4 4 4 5 . 4 4 4 377(444 4 s 45-4 (Representative Channel)# 2 - 4 1 4 £14. 4 , 1 4 2J£714 3807fl 4 3 45.4:4 4 4 747fl ( 4 4 ^ 4 377()444 4 ^ 45.4:-5.5. 3 # 4 4 4 £1^-4, 4 4 4 4 4 4 127fl ( 4 4 ^ 4 67fl, 3x3 Core Pass)4 4 ^ <&£-=& SL3. 3 # 4 £ 1 4 . 4 S 45.4: 4 4 4 4 4 ^ S 7(44 1 4 45.4:4 4 4 4 4 4 4 4 142e}o}3j-(Calandria Tube)/444:(Pressure Tube)/445. (Fuei Rod)7} 4 7(4 142.e}o}3t. 444:, m 4 4 5 . 4 ^ 2 .444 , 1 4 45.4: 4 4 4 S 4 4 4 4 4 4 co2 7}^2 4 4 1 4 44^-5. 2 4 S 4 . 3L 4 a 45.4:4 4 4 4 4 4 4 4 % k ^ 4 I27fl(447(4=i27fl)4 4 S 4 1 (Fuel Bundle)^ 4-*f£lo.4, 4 5 - 4 1 4 4 5 . ^ 4 4 4 4 2 4 ^-%-^r 4 4 ^ 7l£ 4 4 5 4 4 ^ 4 .
44 7}434^4 144441 4444 144444 84 244 445. 2 7(S. 4 4 4 3 7}l7]7} 1 4 £ l 4 4 1 4 : (Interconnection Line)# f-4 4 5 . 4 1 4 4 £14. 27(4 4 4 ^ 4 Loop 14 Loop 2:5 -7-444 414-5-g_ 2 4 4 4 , 4 4 4 ^ 4 ^3,^ 33(434-7})s i 147(4 1 4 4 4 4 -g-47} 14-5.5. 4 1 4 4 4 4 3 4 5 . 4 4 4 4 4 ^ 4 / 4 4 4 4 4 4 : (Representative Inlet/Outlet Feeder)4 4 4 1 4 4 (44 377( x 2(1. #B]) = 44 747()# *j-44 44 8844 144^-^ 4444. 444 1 4444 141^4 4444 44 44, ^4, 44, 343 4444 4 4 (insulation) 444 14 444 144 1.5-5. 44. ^4 14444 1444 34*JB(4 244 Mesh 4444 44444, 4S4S44 1 444 4^4 7(44 1445.4: 1444 444 5.44:24 2.4^4.
343, 144 4^ 24 (44:54)4 84 244 44:541 41:5 414 4 44J5 444 41:5 44 444 5-444 44 414 44. ISAACS]
- 15 -
4 ^ 2 1 4 4 ^ 4 4 4 ^ 4 4 4 4 ) 4 4 (Coastdown Curve)4 4 4 4 4 4 4 ^ 4 4 3 4 4 ^ - 4 ^ : 5 4 4 4 4 4 4 ^ ^ 4 4 4 1*314 4 4 4 2 . S. 4 ^ 4 - 4 4 4 4 4 4 4 4 (Look-Up TableH 3gA*>4.
44^-5 . , 441^37) 3 1 ^.o_s. 1 4 4 4 4 4 1 4 1 3 4 4 4 4 4 5. ^ 4 4 4 4 4 4 4 ^ 4 2 4 4 2 4 444 1 4 4 4 4 1 5 . ^ 1 5 . (Liquid Relief Valve : LRV)7} 14-g-44 (Degasser Condenser Tank : DCT)^ 4 1 4 4 £14. SL4 14 -S-444 4 1 - 5 . ^ 4 4 5 . ^ 4 4 ^A: 14-g-44 4 4 1 - 5 (DCT Relief Valve)7} 1 4 4 4 £l3 o) igH.44 1 4 4 ^SA^r 4 4 4 ^ 4 4 5 . ^ 4 7 } 2 4 1 4 4 4 £14. 7}<£y]y\ 4 1 4 4 £14 3 4 LRV4 1 3 4 4 4 7}44 #tf>fi5.4 1 4 4 5 - 4 4 4 4 4 4 4 4 4 ^ 4 4 1 4 4 4 4 # 7 } 1 4 4 4 . LRV4 Faii-Open^.^ 1 4 4 4 4 4 4 4 1 4
4 : 2 4 2 4 4 4 £14. 4 y^-4
LOCA 4444 4444 44^4 42 444 44444 4344 S 4. 41 Broken S/G4 u~44 4144 u3444 441*344 244^s., 144:4 4444 142.44 (44444)^, 343 3 44 44 41 44 3447} 44^445 444:24 2.144 £14. ISAAC44 144 ^-4 4443= (Break Fiow)# 4 4 4 4 4 4 4 4 4 4 4 4 ^^-7} 1^.4 4 4 4 4 3 5 . 4 4 4 4 4 4 4 4 4 , 4 4 4 447} S 4 4 4 .
144444 14 45.4 444 4444 4^&fc, 4 4 1 4:4 4 4 (44 :5 4 4 4 4 4 4 1 4 ANSI 4 4 4 4 , 4 4 4 4 4 4 4 4 ^ 4 4 4 4 4 4 ) , 3 4 3 4414 4 4 4 1 4 4 4 4 , 1 4 4 4 ^ 4 4 4 4 , 1 4 4 4 4 4 5 - ^ 1 5 . 4 14-g-44 4 1 1 5 - 4 4 , 4 LOCA ^ 4 4 4 ^ 4 4 4 4 £14.
ISAAC44 4 4 4 4 7}14 2 1 4 7 } 1 4 4 1 4 4 7 k ^ 3 4 4 4 4 : 2 4 4 4 4 4 . 1 4 1 4 ^ 4 7 } 1 3 4 ^ 4 4 1 4 4 7fl 4 4 ^ 4 4 1 4 : 4 7} 4 4 144(sur ge Line)oi 4 1 4 4 £1^-2^, 4 4 i7(4 1 4 4 : 4 27(4 4 1 4 4 1^4: -5 .J5 2 - 4 4 4 7 } 4 4 4 4 4 4 5 . 4 4 4 1 4 & 3 , 4 4 4 4 4 4 ^ ^ 7}l7l» ^ -44 4 1 4 4 S 4 . 1 4 4 : 4 4 4 ^ 3 1 1 5 . (Loop Isolation Valve)7} 1 4 4 4 £14 LOCA A}3. ^ - 5 . ^ 4 4 4 4 o) 4
- 16 -
4 &5-4 4444 3415.4 44 7}444 1 4 4 4 4 4144 , 44 4 4 7(4 4 4 ^ 2 45. 31S4. 14, 7}<$7\7\ 3444 4 4 4 4 7} 4 4 4 444 4 4 ^ 4 4447} 44S 44^5. 4 1 4 3 , 3 l ? j=Lofl 4 444 445-4 4 4 4 4 4144 4 4 4 45-4 4 4 4 4334- 4 442.4 S-44£14. 3E4 7}4442. 441-5 (Pressurizer Steam Relief Valve)7} £14 li-714444- 4144 £14. 3 4 3 441-5 4 4 4 471441M. (Steam Bleed Valve)4 441-54 7(4 134^.4 ^ 4 4444 1425- 4 4 4 4 4 4 2444 &44. 7}144 44 45-4 7)444 4 ^ 4 , 7}<&7] 411-5 44, 7}<&7] 414 44, 4 1 4 4 4 4 4^-^ 4 4 4 4 £14.
444 1424o}^ ^4JH4O} -g-711- 2 4 4 444 volumeAS. 444 4 4 4 4 (Rupture disk)# 44 44:5444 4144. 1 4 4 4 4 4 4 7(:5 4 4 4 4 ^ ^ l i 7(44 4 4 4 S*j-44 4 4 ^ 1 ^^r 4 4 4 44 (End Shield)4 ^o].6j^ 27(4 Tubesheet 44:5 44S4. 3E*1 4 4 4 4 4 3 4 ^ 4 4444 4 4 4 4 4 4 (ECCS), 4 4 ^ 4 4 1444,
-74344 4^-: -443, 4 ^ 4 ^ ^ . ^7)1^71 4 * } ^ 4 4 ^ ^14 Si 4 4 4 4 44 /444 /4443 volumeA:5 4444 4444 >i
4 15.1- 444 4144.
44:5444 44:544 ^ 4 4 44 (compartment)TO_$_ 443 , 4 44 4 4 1 4 4 4 4 4:5* 3444 445-44 44444 4 4 4 2 4 1 4 45L-S- *}t[. 4 444 34, 44, ^44 , 3 4 3 444 fe°l# 4 4 4 4 4444 4 4 4 4443 , 4 4^4 444 ^4 , 4:5 44, 14, ^4 44, 3 4 3 4:541 IH.4 44 4 ^ 734 0-5. t ^ ^ £ 4 ^ 35] 44. 444 4 ^4 4444 1414 2444 44 444 44 ^4 3344 1444 4444
3. 214 14
ISAAC32H oi-g- 4 ^ 23.44- 2.144 1 4 4 ^ 4 34^.^ 4B}4 £14. 3.4 3.1.3-14 244 44:5:5 4 4 4 1 4 4 4 4 4 5.444. 44 5. 27(# Loop 14 Loop 2:5 4 4 4 4 414-5.5. 2.444, 4 4 4 ^ 4
- 17 -
27(4 4 4 1 ^ 3 4 4 4 4 4 4 4 7}^y]y\ 4 1 4 4 £14 4 4 4 4 1 ^ 3 4 # Broken (Loop) S/G, 4 4 4 4 Unbroken (Loop) S/G^ 3 4 4 & 4 . 4 4 4 4 4 4 4 27(44 Broken S/G4 Unbroken S/G7} £1-5-4, 4 4 1 ^ 3 4 ufl 4 4 4 4 3 (SGTR)4 Broken S/G 4 4 4 1 A 3 4 4 4-5-5. 2 4 4 & 4 . 4 7 ) 4 4 Unbroken S/G4 4 7 } 4 U 4 - 5 . J 5 4 4 4 ^ (Pump 1), ^^r^ 4 4 (RIH2), 4 ^ 4 , 4 4 4 4 4 (R0H3)# 4 4 Broken s/G4 * E 4 4 u4 :44 1- Broken LoopAS. 3 4 4 3 , Broken S/G4 ^}7}^: U4:44 >S^ (Pump 2), 1 4 4 4 4 (RIH4), 45.4:, # 4 4 4 4 (R0H1)# 4 4 Unbroken S/G 4 ^E44 U 4 : 4 4 4 Unbroken LoopAS. 3 4 4 & 4 .
3 4 3.1.3-24 4 4 4 ^ 4 4 ^ 4 4 4 4 2 1 4 4 4 4 4 4 4 4 . 3.^-4 4 3 3 S 1444 1 ^ 4 4 4 4 4 4 4 ^ - 5 . 4 4 ^ 4 4 4 6 4 4 4 / 4 4 4 4 4 4 : 4 s * } 4 4 4 267(4 1 4 4 ^ - ^ 4 4 4 4 £14. 4 4 4 4 4 4 4 4 S 4 4 ^ 3 - 4 4 4 1 4 4 4 RIH24 4 5 . 4 4 4 4 1 4 4 4 : , RIH4 4 <&£-:& 4 ° 1 4 4 4 4 4 , R0H34 ^As.^ 4 4 4 4 4 4 4 , ROH14 4 5 . 4 4 4 4 # 4 4 4 : 4 4 4 3 4 4 4 3 4 £ I 4 . 4 1 4 4 4 4 4 k } £14 4 1 3 4 *J4:5 7}34£l^-4 , 4 1 4 4 4 1 4 ^ 4 4 4 4 4 4 1 4 *>1 4 4 ^ 4 .
s 3.1.3-14 s 3.1.3-24 4 4 ^ 4 4 4 4 1 4 4 ^ 4 4 4 4 4 4 4 4 4 4 3 4 3.1.3-34 4 4 4 4 ^ 4 5 . 4 4 3 £14. 4 4 ^ 4 4 4 4 4 4 127(4 3 1 5 . 4 4 4 ^ 4 : 1) 4 4 1 (basement), 2) 1 4 2 . 4 4 4 ^ , 3) 4 5 . 3 4 4 (F/M 107), 4) 4 5 . 3 4 4 (F/M 108), 5) 4 4 4 4 , 6) ^ ^ 4 5 . (access area), 7) 5 -14 4 4 , 8) 4 4 4 , 9) 1 4 B 3 3 , 10) Degasser Condenser Tank, 11) 444414] (Endshield) 1, 12) #444141 2. 4 4 4 4 4 ^ 4 4 3 1 4 4 4 4 2 4 187(4 4 ^ 4 4 4 4 4 4 4 5 . 4 4 4 4 4 4 4 4 il * M 4 , 3 . 4 3 4 4 5 . # 1 4 4 4 4 2 . 4 4 & 4 .
- 18 -
a 3.1.3-1 44^44 4 414 44 4445- JSL4=
ISAAC NODE #
1
o
3
4
5
6
7
8
9
10
11
12
Node Description
Basement
Calandria Vault
F/M Room (R107)
F/M Room (R108)
Moderator Room
Access Area
Boiler Room
Upper Dome
Dousing Tank
Degasser CT
End Shield 1
End Shield 2
Geometry Information
Volume (m3)
4293.2
532.9
2659.1
2659.1
4108
5585
20159.3
7806
729
19.82
7.65
7.65
Sedimentation Area (m2)
992.13
97.74
235.46
235.46
278.25
1086.95
1068.39
300
3168
2.74
5.3
5.3
Bottom Elevation
(m)
1.07
7.16
7.16
7.16
7.16
7.16
24.61
40.23
43.28
24.87
9.8
9.8
- 19 -
s 3.1.3-2 4 4 ^ 4 4 4 45-4 4 4 4445- JSL4=
Jn No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Node Up
o
3
4
3
4
3
4
5
5
7
8
7
6
o
10
11
12
8
Node Down
7
7
7
5
5
6
6
7
1
8
9
6
1
1
3
7
7
13
Hor(0) Verd)
1
1
1
0
0
0
0
0
1
1
0
Elevation (m)
ZJUNC
17.45
17.45
17.45
0
0
0
0
17.45
0
15.62
9.5
0
0
0
6.5
14.81
14.81
3.05
Width (m)
XWJUNC
0.0762
27
27.23
4.84
4.84
7.92
7.92
32.71
1.6
40
12
4.4
4.93
1
0.02285
0.0762
0.0762
0.1
Height (m)
XHJUNC
0.0762
0.18
0.22
17.45
17.45
7.27
7.27
7.78
1.6
40
12
4.4
4.93
1
0.02285
0.0762
0.0762
0.1
Length (m)
XLJUNC
2.12
8.55
8.55
0
0
0
0
0
0
0
2
0
0
1
0
2.12
2.12
0.3
Area (m2)
AJUNC0
0.0365
9.72
11.98
84.43
84.43
57.58
57.58
254.4
2.56
1257
113.1
43
31.64
3
0.0043
0.016215
0.016215
0.1
Water Depth (m)
XOJUNC
0.0762
10
10
10
10
10
10
5
1
10
10
2
2
1.5
0.0
0.0762
0.0762
0.0762
- 20 -
i—XL
Containment ■*—tXH
Degasser Condenser
Tank
Loop
: Broken S/G
. U-tubes)
rs fr^
Pump 2
QRIH4 QRIH2
Broken Loop
Unbroken S/G
U-tubes
ROHI
Unbroken Loop ►
3 4 3.1.3-1 1 4 2_5L7] 1 4 4
- 21 -
SG2 SGI
0 H C
Q
0(ROH3)
4 'HIM j 0
H
®
N3
0
Outlet Feeders
0< H O H I K "
Channpl i
Channel # 2
Channel # 3
Broken Loop
Inlet Feeders
Inlet Feeders
Channel It 4 ►-
Channel It 5 — ► -
Channel ft 6—*-
Outlet Feeders
Unbroken Loop
W80206U6V8D 02-06-05
3 4 3.1.3-2 3X3 ^ <A&3A -7-^4 ISAAC 1 4 4 4 s 4
- 22 -
3 4 3.1.3-3 1 4 2j£7l 4 4 ^ 4 1 - 4 ^ 1 ^ 1 4 -n-S. ^ £ (1/2)
- 23 -
3 4 3.1.3-3 1 4 2j£7l 4 4 ^ 4 1 - 4 ^ 1 S i 4 -n-S. ^ £ (2/2)
- 24 -
4121 ISAAC ^> i l3 .H S 1 ! ^
19904^ # 4 ^ 1 142/3/4^714 24T)) PSA - t ^ s ^ ^ s . 1 4 4 4 4 ^ - 4 4 ^ 4 ^ 4 1 (KAERI)4 FAI (Fauske & Associates, Inc.)7} ^ - 4 ° . ^ 7JH4 ISAAC 4 4 3 ^ . ^ CANDU 3-S-4 # ^ 4 3 4 4 # S447] 4 4 4 4^-5.1 4^r5. 4 4 4 & 4 . 5^4 £ I H | 4-8-4 4 3 444-£ ^ l H ^ s 24 4 PSA ^J^-4^-5. ^1444 # £ 4 4 * 4 4 4-g-4» ^A: 4-8-1^4 4 s 4 4 ^5_*j4 4*1144. 4 4 4 4 £ 1 ^ 4 4£1A34I- s H ^ 4 4 ^ * -f44^-5. ^ 4 4 3.^-i 4*114-3 4 4 4 43*114 ^ # •§H1 l-S-7} 44 . °1» *l*ll -£ 4^<HM^ ISAAC4 44 s l # 7l^ l^M _&. s l 4 s 4 1 4 1 s i , 44-8-4 s i , 4 4 ^ 4 ^ r l s l 4 4 4 ^ 4 1 - l ^ s l i - 1 ^ 44*114 $2}*tfk3r. 4 £ ! ^ 4 § 4 4 . 4 ^ - ^ - 5 . 4 4 4 4 4 4 S ^ 4 (Nodalization) J5_l, 4 4 1 (Decay Heat) s i , 4 1 4 / * 1 4 1 4 4 £ l A 3 4 I - 4 4- (Volatile Fission
AJ4 Product Release) *J 4 £ ! A 3 4 i - 4 °1# ^ 4 4 S l ^ § - ^ 5 . 4 £ 1- 44*114 ^ 7 } 4 ^ 4 . ^ ^
3 ^ . 4 4 44<H]4 1 4 5 . 4 , ISAAC 4 4 3 ^ . ^ ^ § ^ ^ 4 ^ l e ] CANDU 4 4*1144 #£1)43 4*3 4 4 4 4 1 ^ 4 4 4 ^ 4 4 1 4 4 5 - 7 } 4 4 4 4
-^-fl-4 4 4 5 - 4 4 ^ 4 ! - £ 1- a o>6j rmx\uv 4 4 4 4 4 4 § j # 4 (AECL)ol)4 ^ 1 4 ^ 5 . 1 4 # T ^ 4 3 £ 1 ^ 1 3 t)|-?-£S COG (CANDU Owner's Group) 4i-f|-4^-S. 4-f-^]4^- 4 4 1 4 4 4 *1)4 M)-§-ilr 4 4 4 4 4 4 £ A^^oiu}. o ) ^ 6i*|| ISAAC^ 7fl4 4 ^ ^«.*> ^ * 4 » 4 4 l-g-7141- 4 4 ^ - 4 ^ 4 . 4 4 4 £ 4-7-^14^ 4 1 s ! ° f l ^ 4 M * £ 4 4 s i ^7}# 44*11 ^ ^ M ^ - ^ , s.^3g7i-^ « ^ ^ SL T 4-8-4 -§-4*11 ^ 4 4 4 s T 1 ) 4 1 4 # ° l * * f e 4-7-44# 4-§-4& 4 .
l. .Al - £3 :^4
4. s i ^4 4 £44*£
ISAAC 4 4 3 ^ ^ 1 4 4 i 4 4 4 S ^ 4 (Nodal izat ion ) # 4*j| <^B\ 4 4
- 25 -
3 ^ 4 4471-4^ JSL 4 4 # £ 4 . - T £ 4 4 °1^ 1 4 4 4 , °1444, 1*1^.4 °h 4 4 4 4 , 3e]3 4 4 ^ 4 1 - ^£-£-5. 4 # ^ 44. 4 4 4 4 4 4 3)4*1) H*H S H 4 SL^ -7-
6444 s l * j 4 ^ 4 14 2/3/4 24
4 psA fl ^-8-4 S H 4 s l ^ j 44^- ^34 ^Ul*1)4 £ 4 4 & 4 .
4 4 4 s ^ 4 s.1 £-4 14 , 4 4 44^41-4 ^ s 4 ^ i rfltl 4 ^ °1 7}44
6i^-4 44^41-4 s ^ . 4 ^ 4 ^ 4 ^ ^ (MAAP3H4 ^-f)
011 4*11 44 4 4 4 SH44 (=1271) 41)4 44*1*13 ^ ^ ^ ^ iTi) 4^-444. 4 4 4 4 S H 4 s H t fl fl ni^s. £ 4 4 # ^*34 &4. 4 4 4 ^ 14 4 4 # ^4-^-5- 38071) ^ 45-4# 4 ^ 4 127I) ( 3 ^ 1 4 ^ 4 67fl, 3x3 Core Pass) 4 4 ^ £ : 167)) (3*J l4^4 87fl, 4x4 Core Pass), 207J ( 3 ^ 1 4 ^ 4 107(1, 5x5 Core P a s s ) 4 247|| (3S j )4^4 127fl, 6x6
Core Pass)4 nfls 4^.4:-^^ 3f-44 ^45.4 4 4£lA34I-4 44
343 434*3*114 *J%M- ^7}4$i4.
44s £4# 444 3 4 4 ^ 4 4 4443^44 4)s43iiL4 14 4^443 (class iv 4-f- 444 41S -¥■ 44 4 1 147144 34, LOAH) 4 t f l ^ * ^ K H J 4 3 ( 4 4 5 . - i -^r-S^: (Reactor Outlet Header)^ 4 4 ) ^ 4 4 ( =0.2594 m2)°l *gsjt large L0CA)# 4 4 * ^ 4 3 5 . 4 4 4 * 1
3, q-44 434*3* 444 3-7] 1^7] ^ 4 4 , 14H44-& Sfj f i s^- 7)144
u34 44 , 3 4 3 ^-4^ 44444^r 4 4 ^ 4 ^ - ^ 4 ^ 4
*d4.
^ a 45-44 4 ^ 4 1 4 4 4 4)s4^r 4^4:4 4 ^ 4 1 4 4 s s . c(s 45.41 # m - 4 1 4 4 -444 *J4# 44 44 . 4 4 4 £ £4*11 4fe <s 3.2.I-I>414 5.^^-4, s 4 ^ # ^ # (=1.007) 4 fe<>l 4 4 l^r 4*11 1 4 4 ^HJ4» 4 1 4 4 -S-44-s^ m # 3^344 £4 # ^*34$i4. S H 4 4 4 s £ 4 4 4 ^ S ^-f*ll c|t> ISAAC 1 ^ 4 1 ^ 4*5.34 [9]# 4 4 44 . £ £4*114 ^-44%-=^, 6x6 ^ 4 s ^ . 4 ;§-$-, Compaq Fortran V5.3# 4 4 4 ISAAC l * 3 4 1 ^ ° r ^ . ^ - ( f o r r t l : severe (139): array index out of bounds for index 1 (SIGTRAP))7} 1^3 4 4 7)14^*3°! l s f lM-^-4 Compaq Fortran Compiler X5.5-2602-48C8L (Compaq Fortran V5.5-2602)# 4 4 4 ISAAC 1 * 3 4 1 # 4 4 4 4 -£--ff*i4
- 26 -
7j)4# 4 ^ - ^ : 5 ^ * 3 4 & 4 .
4 . 3 4 / 4 4 4 3 4 4 4 s i *J4 ^ 4
jt^jtHSfo) 4-E- 434*34 4 4 1 - 145.7) 4 * | ^_&. 4 ^ 4 4 # 3 1 (LOCA) 4 4 4 (LOAH) 43^4*11 *M <s 3.2.i-2>4] S 4 4 & 4 . 4^-44-c: s 4 icHsHi nj-g. <$*$<>] *]*j 4 B } 4 ^ 445-44 4 ^ 4 4 4 4 4 445-41-4 4 £ 4 4 ^ 4 4 4 4 4 4 4 4 ^ 1 4 ^ 4 4 4 4 4 4 ^ 4 4 * £44514.
445L ^ 4 1 4 , ^14^1 ^^s.^ 4 ^ 4 4 4 4 1 4 3143^4*1) 4)*l)4-b S H 4 * 1 ) 44:&4 *445.4: 4 1 ^ 4 4 4 ^ 4 4 4 4 4 4 * 4 ^ 4 . 3 4 3 4444*11 4 £ ^14^1 445-4 4 ^ 4 4 4 45. 4^-4443^4*11 41*1)4 s n^^-^ 4 1 4 ^ 4 4 4 ^ 4 4 4 4 4 4 * 4 *14. 4 4 4x4 il 5x5 } n 4 S I ! 4 (core bypass)4*ll 4 4 ^ 1 4 ^ (Loop2) 4 ^45.4: 4 ^ 4 ^ 4 4 4 3*1)4 . (Loopi) g_z\ 4 4 l s fe4 l 4 4 4 4 ^ ^ f 441 4^7} 1.&-4-4.
440.5. 4 4 4 4 4 ^)5)S4 ^45-4:^1) *445-4 ^ ^ - ^ s (=TCRAVG) 4 4 4 ^h& 445 . £ s (>TCRHOT)# 3 4 4 4 4 437J40H z^ <3 s} 3.2.i-i/2> 4 <3s} 3.2.i-3/4>^14 4 4 f-$14. 4*11 4 4 4 -¥-44 £5L 4 4 4 4 4 4 * 4 & 4 . 4 4 4 4 4 3 ^ 4 4 5x5 ^ 4 s i = 44*11 4 4 ^14^ 4 4 4 s ^ 4 *A<A£- 4 4 4 ^4*11 1A344 ^ 4 s 4 4 4 4 4 4 1*344 Sfe 4^-5 4 4 4 4 . 3 4 4 4 4 4 ^ 4 ^ 4 4 * ^ 1 * l i i 4 4 -g-7] 4 ^ 4 4 ^1^*1)4 s 4 # ^ # 4 7}4 4^ : *445.4:4 1 -¥-*114 ^ 1*344 4 S4441-4 7-8% 4 4 4 4 ( 0 4 3.2.i-5/6> * £ ) 4*11 S44-8- 4 4 * f e 1 <£44 &4. SL4 4 4 ^14^4 s 4 4 4*1)4 r 4 ^ 4 3 ^ 4 S4*114 ^ 4 s 4 4 * # S 4 4 4 1 4 4 1 - 5. 4 4 State}.
4 4 4 ^ - ^ S 4 S H 4 * 1 1 4 £ *4£1 A34S4 4 4 4 4 * 145-4 4*H 31445.4 ( 4 3 4 4 ^ 31) 4441-4) (^1)4+44+44^) ^JSL *J|£
r4 ¥ 4 £ l - # 3 4 (LOAH) 4 4 4 (LOCA) 43^4*11 41*11 <s ! ^ J = L a ]
- 27 -
3.2.1~3>oll ^4 4^3 <3s} 3.2.1-7/8>oll Csl4 44*1) 4^- £^# 44 5.$14 (Te02 4 H 3 (44^^ )4 44*11 4£ £#^ 4*5.34[9] 4 ^ ). ^Aj^^oi) 444, Te024 -f*1) 34 4 4143 S4 3x3 ^4sn4 ^-f*ll 44£*4 44 ^r*^4 Csi4 ^-f*fe 41434^ 3x3 ic4s ^.4 4011 .^£,§-4 <*# ^ 44 34434^ 3x3 i^4s^4 ^-T-*11 44£#4 44 44 4415. SH4*1) 4€ 5.^4^ 1^44 tftf 4. 4*114- - 4x4 *I 5x5 i^4ic^4 ^47} ^44 4 *43 3x3 4 6x6 ^ 4 S H 4 3-f4 ^44 4*4£U=-4, 44 £#-4 4 4 ^ 44) io% 44) £o_4 444^4 ^-f*]fe S4SH4*11 *W 444 44 414 S 4 S H
4*11 4^- 4£lA341-4 44£ ^ 444 fc 4^:5 44*14.
- 28 -
s 3.2.1-1 i^4s^4*ll 4 £ s ^ l ^ 4 ui #41-
*J -
3x3
APF
0.879
1.048
1.079
1.091
1.074
0.872
1.007
*fl^
(1)
(4)
(2)
(5)
(3)
(6)
fe°l
6.542
5.016
4.244
3.382
2.520
1.659
4x4
APF
0.879
1.020
1.048
1.079
1.091
1.074
0.994
0.872
1.007
*fl^
(1)
(5)
(2)
(6)
(3)
(7)
(4)
(8)
fe°l
6.542
5.844
5.147
4.449
3.752
3.054
2.357
1.659
5x5
APF
0.879
0.986
1.017
1.048
1.079
1.091
1.074
1.033
0.992
0.872
1.007
*fl^
(1)
(6)
(2)
(7)
(3)
(8)
(4)
(9)
(5)
(10)
fe°l
6.542
5.457
4.372
3.287
2.202
5.999
4.914
3.829
2.744
1.659
6x6
APF
0.872
0.879
1.048
1.074
1.079
1.091
1.091
1.079
1.074
1.048
0.879
0.872
1.007
*fl^
(1)
(7)
(2)
(8)
(3)
(9)
(4)
(10)
(5)
(11)
(6)
(12)
fe°l
6.542
6.098
5.654
5.210
4.766
4.322
3.879
3.435
2.991
2.547
2.103
1.659
^3L) 4*114 1^44 * 4 b 41^45.4:4 4 l !4 :£44. 44^145. (Broken Loop, L0CA7} 4 4 4 4 : £ 4 4 4 RIH24 R0H3# 4 1 4 ^ loop4 4 4 H 4 1 4 4 Sfe *H!44 4 4 4 4 , 3 44*11 44^)45. (Unbroken Loop, L0CA7} 4 4 4 4 : 5 . 4 4 4 R0H14 RIH4H 4 1 4 ^ loop# 44HI 4 1 4 4)14 *A$-y\ 4 1 4 4 . h, 3x3 ^ 4 i ^ 4 4 ^ 4 , *1) 1 4 ^ 1,2,34 Broken Loopol), *H!431 4 ,5 ,64 Unbroken Loop ll 4 1 4 4 , k - 4 5 . $-"A 1,4,2,5,3,64 £ 4 5 . 4 ^ 4 4 ^ 4 ^ 1 4 .
- 29 -
s 3.2.1-2 i^4s^4*ll 4 £ 4-S- 4 £ 4 4 4 3
A U g ^
LOAH
A1"&AU3£I LOCA
^ £ £ 1 * 1
Loopi/2 t i j o i ^ ^
#aHHd|0|- %J\
Loopi i " ? ! ^ Loop2 i H ^ ^
#aHHd|0|- %J\
i y ^ H M mm n^Myj c (Aizh)] 3x3
22553 (=6.26)
148560 (=41.3)
9150 (=2.54)
11166 (=3.10)
143310 (=39.8)
4x4
22985 (=6.38)
147175 (=40.9)
12020 (=3.34)
11533 (=3.20)
143536 (=39.9)
5x5
22642 (=6.29)
147672 (=41.0)
12014 (=3.34)
11559 (=3.21)
144048 (=40.0)
S 3.2.1-3 :=sH 41- ^ ^ I - M K t M / ^ / ^ z K ^ ) fA FP ¥*!£& (43- 724*4)
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LOAH
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95.8
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40.5
69.3
22.6
95.8
29.8
25.5
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40.8
69.2
22.7
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0
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39.2
70.4
21.8
96.0
32.0
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- 30 -
TCRA\A3(1) 175 U
3 4 3.2.1-1 TIME HOURS
:4iii!4<>i) 4-E- 4 4 ^ 1 4 ^ ^ 4 5 - 4 ^ ^ ^ :
3 4 3.2.1-2 .Al TIME HOURS
:^H1 4 £ 44^14 445-4 43 - t ?
- 31 -
TCRAV/Gp) 1750
3S1 3. 2.1-3
2500
20 30 TIME HOURS
:4iii!4<>i) ohS- 44^1145. ^ 4 5 - 4 ^ ^ ^ :
20DO _
1500 -
1000
500 ?--
3 4 3.2.1-4 TIME HOURS
:4^^H1 4^ 44^145. 445.4 43^:
- 32 -
(1.0E+4)KG 7.5
MCR(1)
20 30 TIME HOURS
3 4 3.2.1-6 ^ H e K * 4 M | ^4-§--§-S4 4 4
- 33 -
D.35
D.28
0.21
0.14 -t-
0.07
0.0
3 4 3.2.1-7 LOCA4 .Al - m
40 eo TIME HOURS
:^.4*1] 4^- 4 i 4 ^ 4
00 00 TIME HOURS
150
3 4 3.2.1-8 LOAH4 .Al - m : ^ M 4 ^ . 44^41-M) Csi ^
- 34 -
2. i ^ 4 6 i 4 4 s .^
7}. ^ ^ 4 5 . 4 : MI-f-4 45-^g- £5L^S a H U ^ ^ S
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CANDU^ 4 4 4 ^ 4 4 ^ - f ^ § 4 5 . 4 : 4 * f e i-f- 377||4 45.-g-4 4 45. 41H) ¥ 4 4^ -4 , 4 4 7 }^ t | 17H (sj 1), ZL ^ -44 67fl (^ 2), 3 4 4 4 1271) (sj 3), 3^13 4)*J 4 l W 4 1871) (sj 4 ) ^ -7-44*1 4 4 . f ^ s 44*1144 4 4 4 # 4 3 # s . 4 4 ^ CATHENA[IO]^ 377||4 4 s-g-i- 4 4 ( ^ ^ ^o\o]] 4 4 5-^sf*i-<H 197(1 ) s . 4 4 4 . 4 4 4 45 . 4 M)-¥-4 45,-g- £5L 4 * 4 # *H44-^ 3-f<Hfe -fhg-44, 4 ^ - 4 4 4 ^f-o|u} 4 4 ^ 4 # 44*1144 tt-f^ S-*i*11 4 4 4 5 - t 4 ^ 7 } 4 ^ - 3 4 s.'S ^ § 4 *t*i y ^ -4 , HL4 4 4 ^ # 4.414 45.4*11 ^-§-44 4 £ ;g.f £1)4*114 4 45.-g-4 ^7} 4^ - # 4 4 4 ^ ^ 4 4 4 i » s . 4 4 4*11^ 4 ^-§-4 4 4 .
CHAN 4 4 3 H [ i i ] 4 ^ - T - ^ SJ^5. - T £ 4 4 t j a 45--g-^s. ^ 4 4 4 s. 4 4 ^ 1 , 45.-g-4 377114 ^ - f 47l)4 so1^-^, 287l)4 ^S-f 37l)4 s o ^ ^ S-444. 4 ^ 4 4 ^ *tJ44 Ml 4 45.-g-#4 £ ^ ^ s i - 4 ^ 4 ^ 4 45,-g-* ^ 4 4 4 <4^tt -r 4 ^ 44*1 4 ^ 4 4 , 3 *}-§- *J4±r 4 4 4 447} 4 4 . ^ 4 ^ 4 Ml-?-*)! 44^7 } 4 ^ 3-f 4 4 ^ -H14 4 ^ 4 4 M15-, ^14 4 4 ^ SJ (SJ 4)£ 4-¥-*ll 4 4 4 4-f- 45,-g-^ nfl y}o)\ i c # 4 4 4 , 4-¥-*ll ^144 45.-g-§^ 4 4 4 ^4^*11 47f*i7il
- 35 -
%), ^-°r ^SLS. S - 4 4 4 4 ^ ^ - 4 4 * £ . § 5 1 - 4 4 S 4 . 4 4 4 6J 4 4 BJ4 4 5 £5L# 4 4 4 4 4 ^ r 4 45.-g-4 ^ ^ # ^ 4 4 *fe Ml, 4 ^ 4 ^ ^ § 5 7 } 4 4 7 } 4 4 4 4 B<J-^5. S - ^ f e 4 n l7} 4 ^ 4 4. 441^, CHAN* 4-8-4 4^ 44*114^ °M 437} *>4 4^44 4^4 4-?-4 £^441 ^^45. 444 4 ^ ^-f» 44^-5. §444, 3 4 4 45--g-4 £ ^ § s # 4 ^ 4 4 3 4 4 . 4 4 4 4 4 7 ( ^ 4 MAAP4-CANDU CHAN S ^ # 4-§-44 i ^ 4 # S-4 4:5.5. CHAN 3-Z.Sz] ^£ # 7 } 4 3 *14.
ISAACS PSA -g-^.5. 4 3 4*3 ^ 4 4 4344*11 4 4 ^ ^ 4 ^ - ^-4 o_ 5. 7(*}4£U*:H.5. ^4 s^» 44 377l)4 45.-g-# H 45,-g- 445. ^444 ^444. 4 4^£ ^45 ,4 : 4-T-444 *i44:# s.444 44 7}4 444 4^°-^, 44 44^ S£ 4414 44^4 * i ^ ^ s. <i44 ^ ^ # -fr4444 #443 4:4*114 4 £.4 ^5-# *ie] 4# ^ 4 ^ Ml 44. 3L4, 44 45.-g-444 4-f- ^4 (44^ 4^- 444 4 ^ ) 4 44 45,-g- 4^*1)44 ^ ^ § ^ » t-44 4^4 4-¥-4 ^4 4401) 4^. oj4^- i2}§ 344 Hr StlE - 4*14. 44, 377J4 45. * * 4 s 45,-g- 445. 4^-44 4 *11 377|| 45,-g- 4*14 *s . §57} ^ 3-f 4*11 44 *J4# 3^4 ^ *A^ 4 4 * 7}43 44.
4 4 4 § ^ 4 4 ^ AECLOI)4 ^ 3 4 4 4 * CATHENA4 CHAN S £ f 4-§-4
4 4 4 4 ^ 4 * 4 ^ 4 4 6 J ^ 4 : 4-T-*!) 4 4 4 45,-g- 4 4 4 £ ^ § s # «13*r .5. an ^ 4 * ^ ^ 4 ^ 4 . 4414 4 ^ 1 4 ^ %v3^4 [12]4 441441 4#44 44.
^ § 4 5 . 4 4 - ¥ - 4 ^ 74, 284, 3 e ] 3 374 ^ 4 45.-g-4 4 4 4 4 3 , 4 4 S H 4 ^-4*11 4 4 45,-g- 3 . ^ 4 4 4 7 } 4 4 . i E J 3.2.2-144 5 . ^ ^ 4 ^ CATHENA 7fl*| 4S-g-# S - 4 4 4 , CHAN S £ ^ ^ ^ 4 5 , -g-# 4 ^ 4 4 . 3 4 3.2.2-2^ 77l)4 45--g-# 4-S-4 ^ 4 4 4 4 4 4 4 4 ^ - 4 4 4 CATHENA, 3 e l 3 CHAN 3 H 4 4 4 S 4 * MI-T- 4 4-f- 4 5 , -g-4 0^4 4 4 4 4 4 3 4 3 *14. 4 3 4 4 4 4 4 4 4 3 ^ 4 4 ^ ^ 4 4 TT 7}*J4^ ^ - 4 (stage 4) 4 - T 45,-g-44 4 200s c, 4 4 4 45,-g-4 4 ^ 4 100s c4 4 4 * 5 - 4 4 , 4 : 4 4 4 4 4-T- 45,-g- 4 4 4 £ ^
- 36 -
*M±=. a)4 4 200- c ^ ^ * J # *J- &4 .
287l)4 45--g-4 4 4 4 T W 3 £ *J44 4 4 4 cs 28-1444 4 ^ 4 : 4 45.-g-4 £ ^ § 5 ^ r 3^} 3.2.2-34 41444 &4. 1 4 4 40kwj2_4 4 £ 600 s. 4 4 4 ^ 4 4 1 S . 4 4 4 60* c ^ 4 4 4 1 - 5.44, ^ 4 4 7}*J4^ 3 4 ^ « . B ] ^ ^SL ^7}#4 45 . 4 4 414 4 ^ 4 4 4 4 TC 34 ( # 4 Ec1), -T- 4 4 Bc]4 TC 32, 3 ^ 3 # 4 ^ 4 7}*J44 &£ 4 s-g-4 TC 334 ^ ^ ^ § 5 1 - 4 ^ 4 . 4 4 4-§-4 4AI44 4 4 4 850^ -r-^44 4 4 4 45,-g- S 4 4 TC 291- 4 1 4 4 3 ^ 45,-g- 4*14 £ ^ 4 4 ^ 4 180- c ^ ° 1 4 .
*J44-^-5. 4 ^ 4 4-T-7} 4*14 T ^ I 2 - 7}^- 4 4 4 4 45,-g-4 *£ . ^ 4 4 4 4 4 4 ^ 5 . 4 * 4 4 4 4 4 4 4 4 i s J 3.2.2-4(b)4 4 4 4 5,-g-#4 4 4 *}el# 4 ^ 4 4 4 4 ^ 4 4 (sagging)oi 4A344 € 4 . 4 4 4 ^ 4 4 ) 4 4 45,-g- £SL 4 ^ £ 4 ^ 4 4 4 § 4 4 4 4 4 4 4 4 4 ^ 4 4 45.4 4 4 4 4 . 3 ^ 3.2.2-5^ ^ 4 ^ 4 # -fr443 4 ^ 45 . 4 ^ 4 4 4 CATHENA 4 4 1 4 ^ , 414 4 3*U44 5.4, # 4 45- 4H-4 bundle 74 ^ T 4 4 4 4 4 # 4 45,-g- 144 4^-414 4 4 4 4 4 5,-g- 214 2144444 £51447} 4 ^ #7}*hi- 5 -4^4 . ^ 4 i s J 3.2.2-4(b)4 £ 4 45. *w 4^*1144 45,-g- 4MI41- 3 4 4 4 ^ 4 4 4 4 4 (100^4 4MI4^43 7}4) 3 4 3.2.2-64 4 4 £ ^ 4 ^ MI+ 4 4 4 4 45.-g-4 £^7} 4 4 4 44^Mr 4 4 4 £ 4 4 4 &-M, 4 4 4 4-T-5-4 <i £45- #\fc*Hr 3 * * 5.44. 4 4 4 4 4 ^ , ^ 4 4 4 4 s ^ 4 4 4 4 4 4^g- 4 4 ^ o.^ Tg^oi # ^ 4 4 4 4 3--4 44 4**1 41444 4^44. f ^s 44444 £^ 4^£ 4
5. u}4 4ol4 42.4^0] tr}3> (end plate)444 -fr4 £ 4 # 4 4 £ 4 (complete mixing) o_5 7}44 S 4 5 . 4 4 4 4 4 4 4 4 4 4 4 4 4-§-- -5. 4 4 £ ^ 4 * # 5-4^4, £^7} U 4 4 T T i r £ 4 4 £ 4 %4# 4 ^ -fr44^ ^ £ 4 4 4 £5L 4 ^ # 5 .4^4 .
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- 37 -
i) 4^4 4-¥-4 44*7} 4 4 ^ ^-44^ CHAN444^ 3744 45,-g-
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2) * # 4 ^ 3 4 4 ^ 4 MI-f-44 45.-g-§4 4-S- 4 4 4 4 4 3 7 ^ 4 *i-i- 4 , 4^.45-0] 4 4 4 4 4 4 ^ 4 ^ 4 45--g-4 4 4 4 4 4 4 4 5,-g- 4 4 4 £5L 4 4 7 } 4 4 200- c ^ £ ^ 4 4 4 # 4 4 4 & 4 .
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ISAAC44 5L44-3 4 ^ ^ 4 4 % 4 £ S J 3.2.2-74 4 ^ 4 4 4 £14. 3 4 4 4 5.^-4 i ^ ! ^ 4 4 -8-4 MI-f-4 * ^ * . ^ ¥ 4 4 ^ * ^ 4 5 - 4 : £ 4 4 ^ 4 4 4 4 ^ 4 4 ^ 4 * 4 4 4 4 4 *144 4 4 4 , 4 ^ 4 : 4 ^ - 4 <B*^ ^ 4 4 4 4 ^ 4 4 4 ; , co2 y}± %, 4 ^ 4 , 3 4 3 4s45 - -g -4
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44 ^ 4 ^ 4 4 * 4J?L3 *I4. 3 4 4 ^ 444Sd4 &44 4 44^-S.S. 1271)4 45-4^ (fuel bundle)* 4444 £S- §51- 4^43 4 4.
4*J 44434 444i 4443444 ISAAC44 4^-4^ ^4 4 -£:£. § 5 » 3s} 3.2.2-8-f-4 34 3.2.2-134 444&4. ^BJ 3.2.2-8- LOCA 4344 *^45-4: 4-T-4 £^ §51- 5-4^3 *i^4, 444-f 4 45,-g-, 4^-4, *i^4:, 3 4 3 ^^!ii444:4 *444. U-4^ M s] 4^- ^^7} 4^447} 444 445. 4^4*1 34444 * ^ ^ 4 4 1500-c44 4 * 4 3 144 30§^§4^ 444*-°^ ^-44 4A544 45,-g- £5Ly} -g-g-^^44 ^444. 4^H * s ^ 45,-g- £^4 -8-4 44 443, 4^4: ~&s.^ 44 4 * £^5. #47}47} 444**1 44 444 45. 45,-g- -ZrSLS. 4^44. 44^44 -8-44 4*44 444 ±r ti:4^4*}4:^: 4*4 -*£# -8-4447} 44 4 4 4 * <>Ff 45,-g--^^4 ^ w * 5-4^4. 34 3.2.2-9^ S t e 4 4 -8-7] 44 ^ 4 1 5. 4 4 4 4 ^ *^g45.4:4 45,-g- £j£# 5.4^4. ^4^5. 45,-g- # °1 45.4 444 7}*Js]3 4444 ^ 4 4 ^ ^r4-b 45,4: 4-¥-4 4
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- 39 -
Thermocouple
Flow Tube
uter Ring Inner Ring
(a) EXPERIMENT
Flow Subchennels
Outer Ring
Inner Ring
(b) CATHENA (c)CHAN
34 3.2.2-1 441 444 4*4 ^A^ *J4 S S£ *I a.«i 4^
- 40 -
lTOOi
1500-
1300-
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AN
•-.-\ CHAN II (MOD6)
S 1 7 0 0 1
1500-
1300-
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9O0-1800 2000 2200 2400 2600 2800 3000
Elapsed T i m e (s)
Stage 4 Stage 5
" W - * , — i — r — i — i — i — i — i — | — i — i — i — * i — i — i — i — i — i — i — i — i — r — i — i — r 1SCC 2 0 0 0 2 2 0 0 2 4 0 0 2 6 0 0 2 8 0 0 3 0 0 0
Elapsed T i m e (s)
3 4 3.2.2-2 4 4 , CHAN, 3 5 ] 3 CATHENA444 4 5 - * -^SL 4 *
- 41 -
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Total Heat Generated and Removed (kW) Enc gy Components (kW) Temperature (C)
Calandria Tank
Calandria Tube
(a) Example of a 1 4-representative-channel configuration in Loop 1
(the maximum can be 37 channels)
Cladding
Pressure Tube.
Coolant-
Calandria Tube
C00 Gas
oderato r
(b) Radial configuration of a representative channel
3 4 3.2.2-7 ISAAC444 ^ 4 ^ 4 s.«i^
- 44 -
LLOCA BREAK AT ROH 3(100%), 0.2594 M2
250D
2ULID
500
U
1500 / - - - P
1DDD
2 3 TIME HOURS
3 4 3.2.2-8 4 ^ 4 4 4 3 4 4 4 ISAAC-S- 4 * 4 ^ - ^ - 4 4 4 : , 4 ^ 4 , 2144, 3 4 3 45,-g- £ J TC: « S
- 45 -
2500
3 4 3.2.2-9 4 ^ 4 4 4 3 4 4 4 ^ S i s . ^ ^°1*I 45,-g- £ ;
- 46 -
2500
200D
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LOAH(0.05) REFERENCE
#1 #2 #5
#3
#4
2500
2000
1500
1DDD
500
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4 6 TIME HOURS
10
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2500
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500
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1500 \- - - -' - -
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3 4 3.2.2-12 4 4 4 i ^ 4 4 3 4 4 4
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2500
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3. 44-8-^ s.«i
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s 3.2.3-1 4 4 3714 4 4 4 4 4 4€- £?] 4 4 4 # -n-^
ISAAC(kg/s)
FSAR (kg/s)
ROH 7 (100%)
8718
8210
RIH 8 (35%)
2506
5470
RIH 8 (100%)
7159
10800
PS 4 (55%)
5574
7170
PS 4 (100%)
10135
9000
R0H:-^45-§-^-S.^, RIH: 4145^^-5.^, PS:^S ^ 4 , ROH 100 %: (0.2594m2), RIH 100 %: (0.213m2), RIH 35 %: (0.07455m2), PS 100 %\ (0.30165m2), PS 55 %: (0.1659m2)
- 51 -
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3 4 3.2.3-1 100% 445 . #-? S-4: 4 4 ^ - f 4 4 4 4*
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- 53 -
4. _lAcM_Al_*6l a_ l j
__.*! £ 4 # 4 4 4 ISAAC 3_=4 4 4 45.^-4(DIFFUN, ENGSAF, PFLOSP, HTEXCH)4 344-§-4 ^__.3__.4 MAAP3__4 4-8-4 4 ^ 4 ¥ # 4 ^ 4 & 3 , ISAAC# 4 * 4 4 4 ^ 4 # 4 4 3 444 -£ # 4 4 4 4 4 4 4 4 4 4 3 # __444 3 4 4 ^ 4 # -.14444 4 # 4 4 4 ^ : 4 5.34 (FSAR)4 434^14. 4 4 4 4 4 4 3 ^ 4 4 4 4 1 - 44 :5 #-7-^4 (Reactor Outlet Header: ROH), 4 4 5 . ^^5-4:(Reactor Inlet Header: RIH), 4^§^4(Pump Suction: PS)__.i_ 7)-^4^__t^ 4 4 4 4 4 4 ^ 4 4 100%, 55%, 35%4 4 4 3 4 # 3sf44 4 4 # 4^4-3 3 1 4 # 4 # 4 4 4 ^ 4 5.3444 ^ 4 S 4 4 ^ 4 ^ 6 j \ f 4 4345d4.
€ 4 ^ 4 ^ 4 4 4 *14 ^ 4 ^34 4f -£ 7}%- 4 ^ 4 4 4 344:5 4 # <r 4 4 . 3 4 £ 4 S-El-b 4 4.4 MPa(a)i_ 71^44 21^ ECC Bj3-§+ 4 14 41-^ -^ 4 4 4 1 - :§-S-*M, # 4 £4:s.i=-_r 445 .41 - 4 - T 4 4^-4 E,3.4 4 4 4 4 4TT ^ 4 * r » « H # 4 * 4 4 14 4 1 - - ^ 4^-^u}. 4 4 4 ^ 5 - , 4 4 £ 4 3 ^ T T 4 4 ^ 4 1 - 4 4 4 ^ 4 ^ 4 ^ 1 - ^ 4 4 ^ » 4-8-, UJ441- ^ 4 444^-5.5. ^ 4 4 .
4 4 3-^ 4^-5.5.^-4 ^-9-4^ -8-^* 4 4 ^ 4 4 4 4 ^ 4 444f-4 4 4 ^ 4 4 4 4 4 1 ^ S 4 . 7 ) -4^5 .4 ^ 4 ^ f-4 4 4 ^ r 7} 4 4 ^ 4 : - ^ ^ 4 ° ) , 4 4 4f-4 ^ 4 # # 4 ^ - ^ 4 ^ 4 1 4 4 4 4 4 4 ^ 4 4 4 ^ 4 -S-443, 4 4 4 4 ^ 4 1:5 46„4^r -ff-E<N_r 3. ^oi-i- 4 E } 4 4 &±_UK 3^14, 44*_:4^4 ^-f 4 4 4 # ^ 24 4 ^-s„4 44:5:5 -7-444 £13, 4 ^W 4 ^ ^ ^ 4 ^ 4 4 4 ^ 4 4 4 4 4 ^ 3 ^ ^ 5 . 1 - ^-44 44?14 4 1 4 4 £14. 46J, 4 ^ 4 4 4 ^ 4 4 ^ 4 4 4 4 4 3 (LOCA)7} 4 A I44 4 4 7}47l4 4 1 4 4 4 4 ^ 4 3 ^ ^ 5 . 1 - 4 4 , 4 4 4 4 4 ^ 4 4 4 ^ # _£:__*l-__. - 4 4 4 4 *14. 4 4 4 LOCA4 3^^5.7} 4 4 3 4 4 , 27114 4 4 ^ ^ 45 . ^ aj4 *m 4 ^ # 5.44, 4 4 4 4 4 4 4 ^ 4 ^ 4 S 4 ^ 5 . ^ 4 ^ -fr1*^ 4 » 4^+4 &4. s 3.2.4-1^- 4 4 3714 4 4 4 4 4 *W 44i_4 4 4 4 4*„44# 4 4 4 4^-5. #44*„-?-4 4 4 4 * „ 4 4 ISAAC 4 4 ^ 273 - 286^ ^5L 4 4 4 4 4 FSAR 4 4 ^ 371 - 385__ ^__
- 54 -
4 4 4 4 # 4 4 4 4 3 , ISAAC 3H7i? FSAR 1 4 4 * l 3 4 ^ 4 ^ 6 J 4 ^g-f 111 - 145 Ji uB!}_!4 4 ^ ^ ^ 4 ^ - f 220 - 240ii w>i_.7| 4 4 b t 4 . 3 4 3.2.4-1^: 100% ROH 4 4 4 55% PS 4 4 , 3 B ] 3 35% RIH 4 4 4 4-_r 4 4 ^ 4 4 4 4 4 4 6 „ 4 # 4 4 4 ^ 4^ -5 . 4 4 4 6 „ 4 ^ r 3 ^ 4 4 4 4 4 4 4 4 41- ^ - 4 4 4 4 . 3 4 3.2.4-2^ 35%, 55%, 3 e ] 3 100% ROH 4 4 4 4 ^ 4^-i_>a 4 4 4 ^ r6„B<Mr 4 4 4 ^ 4^ :5 4 4 ^ ^ 3 4 4 4 4 E } 4 4 4 4 4» ^-4 &4 S 4 .
s 3 .2.4-1 44 3714 44 444 4€- 44^4 444 46„44 \ . EI-E+ °l*l ECCS^^&3?I
i&) ^ \ HPI (ISAAC, FSAR)
MPI (ISAAC, FSAR)
LPi (ISAAC, FSAR)
ROH 7
(10096)
8.7 (21.1) 123.4
(234.7) 395.9 (617)
ROH 7 (5596)
24.5
142.3
414.9
ROH 7 (35%)
43.0
170.0
450.8
RIH 8 (100%)
9.1
126.0
407.4
RIH 8 (35%)
46.8 (37.8) 172.2
(292.8) 458.0
(678.1)
PS 4 (100%)
4.6
122.1
394.4
PS 4 (55%)
12.8 (33.0) 130.2
(275.2) 405.5
(645.6)
- 55 -
K G / S W E C C B I C Z } •460
3 6 D
2 7 0
180 ■ -«
0 0 -i
R O H 1 OO^S P S 5 5 % R I H a B ^
J==>==i5^-
EN ^_fc-__-_■
\ /
^p^z:
RIH3E#_
LI 2 4 0 S T I M E S E C O N D S £1.11 E + 2 ^
1 0
3 4 3.2.4-1 4 4 3714 4 4 4 4 4 4€- * 1 4 ^ 4 4 4 4 46„ 4
K G / S W E C C B I C 2 5 ■450
3 6 0 -
2 7 0 i-i
i e o . \-f- -
0 0 -L
R O H 1 OCJ% R O H 5 5 % -R O H 3 5 % -
3 4 3.2.4-2 ROH 4 4 3.7] 4 4T_- 4 4 ^ 4 ^44^ ^ 4
- 56 -
5. 445.41- 4 4 ^ 4
S-^i ^ 4 # 444 ISAAC 3__-4 4 4 4__-f-4(DiFFUN, ENGSAF, AUXREG, AUXESF, HTEXCH, SPRAY)4 3 4 4 * 4 ^-__3.__-4 MAAP3__4 4 * 4 ^ 4 :§-§- *^4-$d3, ISAAC# 4*44 4^4 4 #443 444-^- #4 444 4*11 4443# __444 3 4414# 1.4444 4* 444 ^4 5.34(FSAR)4 434&4. ^44 4443^ 4444* 445. #^-__4:( Reactor Outlet Header: ROH), 4 4 5 . 6J^-S-4:( React or Inlet Header: RIH), 4__^<>J4;(Pu_p Suction: PS)A^ 7!^4£l__.4 4 4 4 4 4 4 ^ 4 4 ioo%, 55%, 35%4 4 4 3 4 # 3 4 4 4 4 4 # 4*143 3 ^ 4 * 4 * 4 4 4 ^ 4 5.3^44 ^ 4 S 4 4 ^ 4 1 - 6J-^*4 4 3 4 & 4 .
1_4*_:4 <>1)44 44:541444*^ ^4*iHM_434 44:5 41-4 ^r*44 44 434 445 41- 4^4 4^44 445. 41 4^4 4 44 4^-H^ 41- 444^1 44 444 4444. 44:54!444*T_-44^41- 6J- 4 3L7\ 4 115-4 2 psig (115 kPa) 44 #4-44 4*- -5. 71*4-4, l psig (108 kPa)j__4 ^444 4*-5-5. 44 ^*fs. - *AA 44 4^-^ 44^41- 4-f 4^4 l psig4 45.4 44444 4*^-:5 4*4 4*44.
_45.4S ^ 4 * ^4^4 ^4 445-41 ^4^1 4 r 4<j 3-4^4 44 4* #4 4T_- 445.41-4 4T_-44 &3 <S44 4444 U4 3.2.5-1) 444T_- 4^ ^-44444 4*4/l &# 3-f 445-41 44 41-4 <£44 4444 ^ [ W 44:54! ^ 4 4 ^ iEJ 3.2.5-1 4 4E}4 44. 4^ ^-44444 4*44 &3 445-41 444*4 4*4T_- 3-f, 4 37.8 44 ^4 ^4 445-414 4^444 (4T_-^ ^: 519 kPa). 44^41 ^ 4 * 4 *444 &T_- -f4r_- 44^41-4 4 24.8 444 4T_-S4. ^, 4 4 ^ 4 ! 444*4 4*4 ^-f CH4 4 £^# _M4 ^il--^ 4 4 ^ 4 ! 4T_-44# 4 1344 ^SL 444 4T_- £44 Si** 5-4 #4.
4 i4^41 444*4 44:54! 4^4 °14-_r <g*<M- .5.4 44 34 3.2.5-24 43 44 4* 1.544 *44 4 4 ^ 4 ! 4^# 444&3,
- 57 -
4 4 4 44!- 4 4 5 - 4 1 4 4 TT4 4 4 4 4-f^ E , 3 4 4 4 ^ \ 4 4 1 -
3 4 3.2.5-34 3 4 3.2.5-44 ^ 7 } 4 £ 4 . 4 4 ^ 4 ! 4 ^ 4 2 psig 4 * 4 4 3 £.71 -¥-4 4 4 ^ 4 1 4 4 7 1 - 4 4 4 4 4 70£ ^SL 7 > * - ^ 4 » 4^.447!? * 5 . 4 4 . 4 ^ 4 +1^7} 4 4 4 ^ * 4 4 T _ - 4 4 5 - 4 ! 4 ^ °1 4 3 4 ^ 4 ^ (2 psig)# £ 4 4 4 &44\ *5.^(4149__) ^ 4 4 4 * 4 4 . 4 4 TT4^T ^ 4 4 4 6300 k g /s^ 4 4 * H , 4 4 4 4 4 * 4 4 4 ^ 4 T _ - 4*T_- 4 4 TT4°1 4 4 4 4 4 4 4 4 header44 4 * 4 4 4 ^ 4 4 4 4 ^ 4 4 . 4 4 * 5 . ^ 4^-4 E | 3 4 ^$]7} 2.3m ^ ^ -S-444 4 4 4 4 4 : 5 4 1 4 4 4*-^-^ 4 ^ 4 T _ - 4 4 4 4 4 4 * 4 4 -M444 4 4 4 4 4 4 4 4 ^ 4 4 &__4.
4 ^ ^ 4 4 4 4 4 3 4 4 4 4 : 5 4 ! 4 * 4 ^ # _J__L_i7] 4 4 4 4 4 2,3,4^71 FSAR ^ 4 4 4 3 4 ^ 4 . FSAR4 4 4 4 * 4 <i4^ ^ :4^ : CATHENA M0D3.5 443__.#, 4 4 ^ 4 1 - ^ 4 * ^T4T_- 4 4 ^ 4 1 - ^^r ^3__4 PRESC0N2-VER 0.610# 4 * 4 ^ 4 . FSAR444 __4 __4^r 100% 4 4 5 . # ^ 5 . 4 : 4 4 4 3 5 . 4 4 4 4 T _ - 0.2594 m2 ° l 3 4 * 4#TTBOVT_-
O.I__4) 8,210 kg/so]4, 4 4 ^ __4£- o.87£4 4 A J 4 ^ 4 . 4 4 4 * 4 3*4 4 4 € ^ * 4 3 4 4 ^ 33__4 ^*4^-_r 109 kPa(g)43 4 ^ "§■ 4^4471- 4 4 4 4 S ^-f 4 4 ^ 4 1 - 4 * 4 ^ 4 26£. -f-^44 84 kPa(g) 4 4 .
ISAAC 4 4 4 4 7)-^4 4 4 4 4 4 4^T_- FSAR4 ^O\ n-7- 3 4 4 0.2594 m243, 4 4 4 ^ # * 4 FM_IO7__S. 4 4 4 7 } 4 # 4 ^ ^ - 4 ^ 4 . 4 4 4 * 4 ^ 4 4 4 4 4 3-f 3 4 3.2.5-544 5.^4 ^ * 6 J - ^ 4 3 4 4 42£. ^f4 213kPa (113kPa(g))<>lJL, 500 £ 4 ^ 142 kPa (42 kPa(g))44-. FSAR4 Hi344 ^-"A, 4 * && ^46J-^-5-^ 4 2% 4 4 4 4 4 3 , 4 Al 44T_- 9£ 4 4 4 4 * # 4 4 4 4 .
*1<_] ^71^47171- 4 4 4 4 4 ^-f ISAAC4 4 4 S 4 4 4 5 . 4 , 3 4 3.2.5-64^ 4 * 4 ^ 4 3 4 4 ^ 4 20£ 4 4 4 178kPa (78 kPa(g)) s. 4 E } 4 4 . FSAR4 4 3 4 4 , ^*^1T_- 4 3% 4 - ^ , 4 A I 4 4 ^ 4 4 4 5-3 *£■ 4 4 4 4 . 4 4 4 4 5.^-4 4 ^ 4 4 4 3 4 4 4 5 - 4 ! £ 4 oj-^o] FSAR4 4 4 4 __4#_r 4 4 4 4 .
- 58 -
£1.QE+_3 P A 7.5
e. D
PRBC75
4.5
3.0
1 5
L l . Ll
3 4 3.2.5-1 4 4 ^ 4 1 - ^<HHMI 44_- 4 4 ^ 4 1 - 4 ^ 4 * 4 3
C 1 _ I E ^ S J P A 7JS
PRE<"T|
_ J 0
■ i . S
QJO
1 . 5
iJ.U
:
:
M M O J _ OJ_ 0.-9 T I M E H O U R S
1 _ : 1 . 5
3 4 3.2.5-2 4 * 1.544 * 4 4 44^41~_Hr4 4 4 4 4 ^ 4 1 - 6
J-^ 4 *
- 59 -
7JS
C O
W 3 P D 3
i . S
U.O
1JS
u.o
v i \ :
■
■
■
■
!
OJO 0.3
3 4 3.2.5-3 4 4 4 44!- 4 4 ^ 4 ! i_<
OJQ 0 . 9 T I M E H O U R S
1.5
& St
ZWREV-5I
p I 1
* ^ ^ ^
OJO o j a OJQ 0 . 9 T I M E H O U R S
1JJ 1.5
34 3.2.5-4 444 4€- 4 4 ^ 4 ! 4-T- 1 *l3 4 4 44
- 60 -
i-_) P A PR BC~1
L .1
1...
L.J
! ! ! !
J J
_ a _ T I U E S E C O N D S C1DE+2|
3sj 3.2.5-5 444*4 44 444 ^-f 45-344444 4^ (Pa)
T I U E S E C O N D S C 1 JOE-"-—J
34 3.2.5-6 4^ ^4^4471- 44 444 3-f 4^344444 4^ (Pa)
- 61 -
6. * 4
ISAAC^ *4<g __.«ii_.4 ANSI/ANS s ^ s . ' i ^ 4 * 4 4 . *4<ST_- 4 4 5 . ^ 4 ^ 4 4 t 4 4 4 *A"r$- 444*1 235u, 239Pu, 241PU, 3 4 3 238u * 4 4 4 4^-<a ^ 4 1 - * 4 # 3ej4:4 . 4 s.»i£ s i£ 4 4 3 3 4 4 s i 4-g-4 3 ai3 ORIGEN 331- 4 * 4 4 4 ^ 4 4 ^ 4 H444 4 * 4 4 4 4 44 4 ^ 4 *£.si 3-*i 4 4 4 4 4 £ .44^ &# 4^:5 44*14. 4 * 4 ^ 5.^4 *3L^4^ 4 S 4 * 4 4 445 .4 3 :444 (irradiation time)oi 4.64 4 4 44 4 4 4 ^ 4 4 4 4 4 5 . ^ 4 ^ 3<H4444. * 4 <a . 4 # 4 4 4 4 4 4 ? 4 .
K4 l 200 . Fn(t) + F M ( d + G(t,T) fiFAt,T) (3.2.6-1)
4 ( 3 . 2 . 6 - 1 ) 4 4 4 Fa 4 FNP±T 239U i l 239Np 4 B l 4 o l ^ ( a c t i n i d e ) 4 * 4 <fi (&§r)^4 4-S-4A5. _ _ 4 4 ^ , .239u 4 239NP^ 4 4 5 . 4 ^ 4 4 4 4 4.6<a 4 4 4 * 3efsj- 4 ^>s .^S44 S 4 4 4 1 4 4 .
Fu(t) = 0.474 Ctf(l+4 e
3-A3-,
Fm(t) = 0.419 CR(l+a)
4 4 4 , Au (239u4 * 4 4 4 ) = 4.91 x io~4 [J__1] 4 3 ANP ( 2 3 9NP4 * 4 4 4 ) - 3.41 x io~6 [__4] 4 4 .
4 * ^ - ^ ( 3 . 2 . 6 - 1 ) 4 4 4 FiTZ- 4 ^ 4 (f issi le) * 4 4 4 i 4 234/241Pu (i=i), 239Pu (i=2). 4 238u (i=3)5l * 4 ^ ( _ ^ - ) 4 « l 4 * 4 - 5 - 5 . S 4 4 4.
F:(t,T) ?1 _ _ / 5*' ( 1 - e s )
4 4 4 , aij 4 K>-b 37W * 4 4 ^ 4 4 4 4 4 237i?4^ ^ 4 4 ^
- 62 -
ANSI/ANS __^r£.ii.__-f-4 4 ^ - 4 4 .
4*-5-5. (3 .2 .6-1)444 G^ 4 ^ ^ 4 1 4 4 4 4 (activation)!- 3Bf 4 5 .^44^4 4-S-4 __.__. S 4 4 ^ 4 , 4 ^ ^^s.^i^ 4 4 4 4 &&£. <S4 5 . 4 4 ^ 4 4 (conservative upper bound)l- ^ 4 4 4 vi_r4".
G(t,T) = 1.0 + 6.5 x 10 ~5
t + T ).AA
4714, * ^ ! 4 44i#-^l til* (burnup to enrichment rat io)4 0/r^r 3L7\ 4^r<i4 4 4 4 4 ^ 4 4 1 - 4 4 4 4 . 3 4 3 *L_vI- fe 44-5_ E (Mwd/metric tonne)4 4 4 4 4 4 4 4 4 4 4 4 ^ 4 4 4 . _r 4 4 4 T _ -
4 £ < i * 4 4 ^ 4 4 4 ^ 4 23843, 4 ^ 3 _ _ ^ 4-^4^14 .
0 = £/938000
i^-<_t:> 200MeV4 4 4 4 7 } 4 A I 4
4 4 4 - ^ , 8674 (=7.5 x 107 3L) * 4 4-§-^-°5. 7}^-4 ^ 4 4 4 4 4 5. 4 4 4 4 4 4 44!- *4<B (-_V.fr ) * <£■ 3.2.6-i> 4 <^SJ 3.2.6-i>4 4 4 4 & 4 . < ^ 3.2.6-l>^ 0__4)4 106__. * 4 4 4 4 1 - <^SJ 3.2.6-l> ^ iooo__-44 5 0 0 0 ^ 4 4 4 4 4 # 5 . 4 ^ 3 & 4 .
- 63 -
__ 3.2.6-1 445. 44^ 444 41!- * 4 ^ 44 A| 7[ Cs]
0 1
10 100
1000 10,000
100,000 1,000,000
P(t)/Po {%)
6.53 6.09 4.81 3.28 2.05 1.04
0.571 0.234
D 1 2 3 4 5
TIME SECONDS (1-0&+0)
34 3.2.6-1 ISAAC 444 445. 44^ 444 41!- i_4-IH 44
- 64 -
7. ^AS.^ Ballooning __*i
4 ^ 4 4 * ^4 4 444 4^-5. 45*4 ic#44 45.*^ *4<i ^ 7}<i44 4444, 4^<aA,4!-f-T_- "A^- ^^44^4 4*44 45. s g ^ 4- -4 40]^ 4^-5. 344 43, 437} 44^4* 7}__. -£__ 4 44 *7}:5 4^-4 4 ^ 4*44. 445. 4*7]- 3*J__.5. *44 ±- 4344^r 45-g- 4-f-4 dj- oi ^o} o -g. j-q-o] «.§ i $444 ^ 4 ^ 4^434 *& 4 44344^r 45.* 4q-4 4^ *7}i_ 4 H1
4444^4 4^: * 4 ^ 4444 r s * 3807114 4445.44 4445. 444 &T_- ^4^44 *4 44 4443, 4 4^45.4:^: 1244 4H-5. -7-44 3744 4^ 45*4 6J43l* ( T_- <fi4*r4*)4 4^ 44 4 4^4, 343 4^4* 443 $a-_r ^4^-4 OJ.3J-0.5. -7-444 &4. 4^44 44^444 444T_- 446J- 4414 CO2 447} 444 £14. * 4 ^ 44444 *}3 4^4 4^. *#.§- 44-_r PWR4 « | 45*4 4^.444 ^-4 oi-ij|4 <y-W 44445- *J44*1, 43 444 44 3 <g*<M A-i - 45.4 4444. 4445.4:4 4 4 - ^ *44T3 444 4 ^ 4 3 4 4 ^ PWR4 447!>4_ 4^-44 *S4 444, ^ 4 : 4*7} 3 #__._£ -8-45]-b 434 4* 4^HT_- 46J-4 ^-4 *#4 5-444 44 6J- 4:4 ^ 3 4*4 4 * 4 ^ ^ 4^4 444 44 *7}:5 4^4:* 443 %fe 44-^4444 4^-44 44. 4434 °}44 £__^ 44 344 *44 444 r_-_-4 4 4 4 H ^ , 4^44 i4:__44*4 ^A s]ig JL-£4 <y- 4:-_r 444 T_-S- 4 * * 4444. 444 34 434 4444 4^4 * « * 44T_- * 4 ^ 3*4 *443 €4-5-5. 4^-S 4.
444T_- * 4 ^ 44444 34 4 44 43* 44^-^ 444 4 #3 44 * ! * 44* J--443, 3 <£4* *44£4. 3<y-43i_^ *4
- 65 -
1H44 ^4 ^ 4 * 4 4 * ^-44443 (LOFW)», 4<y-435_±r 4 4 5. #*34: (R0H)4 100% f_-444 ^44)7} ^^4T_- 44U344I 444 3 (LLOCA)I- 444&4. *4:5 44444 *44344 ^ 4 * 44 ISAAC 443__.# 4*4^1-5.4, * # * 3.<i4 4 * 4*4 * # * 3<i4 4:4S 3.*i «i^r^4 44* 4444 5.444 (FAOX)# 3444 «l34 &4. 4^14 *4 4 * * 43^4[15]4 44^4.
34 3.2.7-14 34 3.2.7-2 3 4 3 34 3.2.7-344 5.^4 34434 ^ 21 -4 H^g-o. . 6i*}4 cj -g- ^ 4 , 44 S444 44-b && 44 4444 * # * ^ A _ I 444:4 S444 4 3 15.9% *7}4&4. 4 &* 4444 4434444 444 44 44 44 44444. <44 45.4: 4*4 *4 *s. 44* 34 3.2.7-444 5.5-4 S£4* *#*-^-5. 444 f7^}jL, 4444 4 4 ^ 4 4 * *7}4&44 4 ^ A344* 5 3.2.7-14 34 3.2.7-54444 444: * # * 4 4 * 3444 &* 34.4 HI44 <_} 10% 434 444 &4. 4, 444:4 ^43444:4 4444 &* 4 * 4*444 4 44kg, 44444 4 3.9 kg4 AI4S 44 4444 4434444 * * 4*°11T_- 4*4144 4 4kg, <y-4*°fl 4 4 0.2 k§4 ^44 &4. 44 S4 * # * ^14 &* 4*7} 4 * 4 * 5-4 4 ^ 1M4 44 ^44T_- 4*-_r ^44:44 44^44 *5.4 4 447} 44 6J*-4 4*4144 *M4T_- 44 447} 44 4£44, 4*4^1^ 444 44 444* 4 * * * # * ^^4 &* 4*4 $a-_r ^-f4 ui4 444 -z-siy} ^4 4*44. * -4 3.2.7-6 44 * » * 4 4 * 3444 y* 4 * * 4*4 *37} 1200 K 4 3 ^ *444 44 4*4 %44 44 *§r*4 3444 4*4TT 4 980K43S. 4444 44 4*4 4444 4^-44. s 3.2.7-244 44 * # * 444 34 44 6J444 4434444 44 44 4*4^*4 6J-44:->~54 * 4 tt^^H 3.4 *7}44 4*4 *37} 44 44S4. 5_4 ^4 4^4 4 * * # * s.14 4* 4* 1208__ 4-^4 44ii4.
46J-4344T_- 34 3.2.7-74 34 3.2.7-8 3 4 3 34 3.2.7-944 5. ^o] 4^-4 -# g-__ 444 45.* <a4*_:, 44 S444 ic__.4 44 44 4 4%43 *7}4^44 444:4 S 4 4 * 447} &44. -4445. 4 4*4 *4 *5. 4 4 * 34 3.2.7-104444 4*41 *#*-°5. 4
- 66 -
44 4^4^44 , * # * 3<i **4 4 * 4^- ^ 4 4 * s 3.2.7-34 ZL^ 3.2.7-114444 3.4 4 4 * 5-44 &&4 (4 15.7 kg4 15.8 kg 4^). 5_4 i--4 4 * 4 4 * a 3.2.7-444 5.5-4 * # * 5.^4 &T_-4 * 464_ w>i_.7| 44kt4.
^4-^-5. s 3.2.7-544 5-54 # 4 ^ 4 4 * 34434 4*7} 4 4 4JL4 _j«f ^#-g- 147} 34 4 4 4 * *_: 4 4&4.
- 67 -
S 3.2.7-1 L0FW4 13200^4 4 A I 4 ^^-^ (kg) 4 3
4^44 4 * 4 (Loopi, Loop2) 4 4 4 (Loopi, Loop2) ^-4-^44*5. (Loopi, Loop2) 4 4 Loop (1) 4 4 Loop (2) 4 4 (Loopi + Loop2)
FAOX With B 2 0.1
1
3.1 3.1 6.2
- 1.0 W/0 B 22 1.95
0
24 24 48
FAOX With B 2.5 0.1
1
3.6 3.6 7.2
- 1.3 W/0 B 30 2.1
0
32.1 32.1 64.2
__ 3.2.7-2 L0FW4 __4 4 * 4 4 4 3
Core Uncovery Starts
i_4 4^44 Loop 1 Loop 2
FAOX = With B 4724 (i_.)
11401 11937
= 1.0 W/0 B 4724
12609 12609
FAOX With B 4724
11422 11422
- 1.3 W/0 B 4724
12369 12369
- 68 -
S 3.2.7-3 LL0CA4 9800^4 4 A I 4 4 ^ 4 (kg) 4 3
1H44 4 * 4 Loopi,
Loop2 4 4 4 Loopi,
Loop2 443.4 4 * 5 . Loopi
Loop2 4 4 Loop (1) 4 4 Loop (2) 4 4 (Loopi + Loop2)
FAOX =1.0 With B
7 0.5 0.72 0.06 7.5 0
15.2 0.56 15.76
W/0 B 6.9 0.5 0.72 0.06 7.5 0
15.1 0.56 15.66
FAOX = 1.3 With B 7.5 0.5 0.72 0.06 7.5 0
15.7 0.56 16.26
W/0 B 7.4 0.5 0.72 0.06 7.5 0
15.6 0.56 16.16
S. 3.2.7-4 LL0CA4 i_4 4 * 4 4 4 3
Core Uncovery Starts ^4 4^ x\ 4
Loop 1 Loop 2
FAOX =1.0 With B
20.9(__.)
6067 9839
W/0 B
20.9
5931 10303
FAOX = 1.3 With B
20.9
5936 9824
W/0 B
20.9
6052 10289
- 69 -
__. 3.2.7-5 L0FW4 LL0CA4 * # * 3< i ^ 4 4 3
4 * 4 ^ 4 4 / 4 4 4 4 (AHT) 4 4 4 ^ 4 4 / 4 4 4 4 (AHTPT) 4 4 3 4 °}4 ^ 4 4 / 4 4 4 4 (AHTKT)
* * 4 4 (AGCH)
i _44*44
4 ^ 1 H 4
* * — 31-1
O T_
* * — 31-1
O T_
* * — 31-1
O T_
* * — 31-1
O T2
FAOXd.O, 1.3)& 4 4
O 13
* * — 31-1
O 13
3<>J-43 (LOFW)
4 4 <„*
4 4 4 *
4 4 <„*
4 * 4 * *7}
4 4 ^ *
4 * 4 * 4 Loopi 1208J_(FA0X=1.0), 947_£ (FA0X=1.3) Loop2 772_£ (FA0X=1.0), 947_£. (FA0X=1.3) 4 * * * * 3^4 &T_- 4*7} 42 kg (FA0X=1.0), 58 kg (FA0X=1.3) 4 44 4 ^ (&* 4 * 4 4*41 * 3 4 * 4 4*)
4 4 4 3 (LLOCA)
4 4 4 *
4 4 <„*
4 4 <„*
4 * 4 * *&
4 4 ^ * 4-_r 4 * 4 Loopi 131_£(FA0X=1.0)__4 3 , 116_£ (FA0X=1.3) 4 * Loop2 464_£ (FA0X=1.0), 450__ (FA0X=1.3) 4 * 4 4 <a*
( 4 4 4 / 4*41 *
-8-4)
- 70 -
.ofwref lofwr-bal lofwrl lofwr-ball
TIME HOURS
with balloon (FA0X=1.0) without balloon (FA0X=1.0) with balloon (FA0X=1.3) without balloon (FA0X=1.3)
3 4 3.2.7-1 L0FW4 3 3 ( 6 , 1 , 1 ) 4 4 4 ^As.^- ^ 4 4 4 4 (AHT)
AH I H I (b.1 .1)
TIME HOURS
3 4 3.2.7-2 L0FW4 3 3 ( 6 , 1 , 1 ) 4 4 4 4 4 4 4 * (AHTPT)
44y44 44
- 71 -
M ~ _ 1.25
1 0 •
U /b ■
U.b •
0.25 ■
A H i K i ( b , 1 ,1)
0 0
B lofwr-bal — o— l o fwre f
* - lofwr-ball — 4- — lofwrl
"
10
TIME HOURS
ZL^ 3.2.7-3 L0FW4 3 3 (6 ,1 ,1 )444 ^ 4 3 . 4 4 Ml* ^ 4 ^ / 4 4 4 4 (AHTKT)
(1 Ub-J) M^2 7.5
6.0
AyCH(b,1 ,1)
4 b
1.5
0 D
I
I:
:
-a lofwr-bal o— lofwref >• ■ lofwr-bal + — lofwrl
■
'
:
:
1C
ZL^ 3.2.7-4 L0FWA] TIME HOURS
___ (6 ,1 ,1 )444 * * 4 4 (AGCH)
- 72 -
KG 125
MH_CKI(1)
100
/b
bU
25
— B — lofwr-bal — o— lo fwre f
^ lofwr-ball — +- — lofwrl
40 60
TIME HOURS
SO 10C
3 4 3.2.7-5 LOFW4 4 4 5 i(LooPi))444 ^ 4 4 * ^ A I 4 4 4 3
- 73 -
TU2N0B.1.15 25DD
a B B _i_i TIME SECONDS (1.0E+3)
15
3 4 3.2.7-6 L0FW4 3 3 (6 ,1 ,1 )444 * # * S.'A * * 4 4 -4.44444 ^3 * s
WA
08
Ub
Ll 4
02
on
___"
AH I (b ,1,1)
—B—llref-bal — o— llref
» Hr-ball — * - Ilr1
3 4 3.2.7-7 LL0CA4 3 3 TIME HOURS
(6,1,1)444 ^ ^ ^ 4 4 4 4 (AHT)
- 74 -
1 25 AH I HI lb .1,1)
0 25
-B— llref-bal — o— llref
> Urban — * - llrl
1 2 3
TIME HOURS
ZL^ 3.2.7-8 LLOCA4 3 3 ( 6 , 1 , 1 ) 4 4 4 6J-44: 4 * ^ 4 ^ / 4 4 4 4 (AHTPT)
1.25
I 1 0
U ib ■
U.b
0.25 ■
00
AHIKI(b,1.i;
2 3
TIME HOURS
3 4 3.2.7-9 LL0CA4 3 3 ( 6 , 1 , 1 ) 4 4 4 ^ 4 3 . 4 4 4 * 4 4 (AHTKT)
44/44
- 75 -
(1 Ub-4) W2. 35.0 = 5 =
28.0 ■
A U ■
14U ■
AUUH[ti,1,1) _ ■ ■ _■ ■ ■ ■ _ ■ ■
—B—llref-bal — o— llref - 3. - llr ball
1 2 3 4 5
TIME HOURS
3 4 3.2.7-10 LL0CA4 3 3 ( 6 , 1 , 1 ) 4 4 4 * * 4 4 (AGCH)
60 ■ - - ■
3 4 3.2.7-11 LL0CA4 4 4 .
40 60
TIME HOURS
i (Loop 1)444 34 4 * ^ ^ 4 4 4
- 76 -
8. 444 4 4444 4 a .^4*4 4-
y\. 4 4 4 £.*_ * 4 H * 4 4 4
ISAAC1.0 3 3 4 4*4 A J4 l r 4"# 4 4 * Jaycor4 4 4 7^*1 FPRAT 4 4^<i[2]4 4 4 4 3 4 * 4 , 3 4 ^ - ^ * 4 4 * 1 A 3 4 * (FP)4 4 # * 4 4 5 * 4 4 4 FP 4 # # , 4 # 4 3 4 4 FP* 4 4 4 * ^ - 5 . * 4 4 4 4 * * , 4 4 4 4 1 4 4 44<H) 4 4 FP _ _ 4 * 4 4 4 4 4 1 4 4 4 . * * 5. 3 * 4 4 * * 4 i * * * 4 4 4 4 ^ 4 ^ 4 3 7r44$i->-4, * * 4 4 4 **4 i 4 * * 4*4°fl 4*11 <U4-^ 4 * ? 4 . *, ^ 4 4 4 (ICALL=O 3 3 ) 4 4 4 * * ^ 4 * 4 4 * * 4 4 4 4 1 4 4 : 5 1 4 4 4 4 * 4 3 4 4 * * * 4 * £ * * 4 4 4 (S ^E.* * * 4 4 4 ) * * 4 * ^ 4 4 4 4 4 4 * * ^ - 4 * 4 4 4 4 S4-.
4 4 4 FP 4 # * 4 4 4 4 4 4 4 Cubicciotti4 * * 4 4 4 4 4 4 44: 4 [16] J_L NUREG-0772 # S 4 [17] 4 4*4&-^-4 4 * 4 4 *4->-^ 4 44 * 44. - - ^
444 4*1 ^4*4 4#4 444 *-M-4* 4*4 34= 1. 4 * 1 ^ 4 * * 445 .4 4*414 * 4 4 4 # * 4 4 4 4 . 4 4 4 4
* 4 4 * 4 * * * * (ballooning)4 4 4 4 * ^ * 4 * 4 6„44 * 4 * ^ 4 # 4 4 4 1 4 € 4 .
2. 4 4 4 FP4 Xe, Kr, Cs, I, *J Te 4-§-4 4S-* 4 # 4 4 4 4 4 4 4 4 1 4 4 4 4 * 1 4 4 4 4 * &4.
3. 444 4*4 (*4)*4* 441H ^*4 ^4 44* 44 *4i 4 * *4 *44 4444.
4. Te 4 * * 4 * 4 4 * 4 4 4 4 4 4 4*414 Telluride__4 * 4 4 # 4 4 &* * 4 4 .
5. __4444 4 4 : 5 # 4 4 4 4 4 4 * 4A344 &*4. 5_4 134 4 f- oi44 4 ^ uj o.efe(uo2)4*4 3 4 4 # * 3 4 4 4 &-_r4.
3 3 4 4 ^ 4 4 * 1371-44 4 * * 4 4 4 £ 3 , *£4 4 ^ - 4 ^ * 4 , 4 4 4 4f- § A V ^ ^ ^ , ^ 4 4 3 4 4 * 4 4 4 * * 4 4 4 ^ 4 4 ^ . 5 . i -4 ° .
- 77 -
* 4 ^ 4 4 * 4**11* ^ 4 4 <&*4. 4 4 4 - ^ *fl^-° 1/2/3/6/114 4 * 4 4 .
*A°-$-^ * 4 4 * f o ' 1. 2.
3.
4.
5.
6.
^ - r _ - i / Xe, Kr
Csi
Te02
SrO
Mo02
CsOH
7. 8.
9.
10.
11. 12.
13.
BaO La203
Ce02
Sb
Te2
U02
H3
Cubicciotti4 * * 4 4 4 4 4 4 4 4 4 (IDCOR/EPRI * 4 4 4 3 * 1 ) 4 4 * 4 * 1 y}^ 4 4 4 4 FP4 4 S - * uo27l- * * 4 4 4 4 7}14 4 4 5 . 4 A>4- ^4(Kinetics)4 4 4 : € 4 * 4 4 * 4 * 4 4 . 4 4 4 4 4 4 4 i * 4 * i ^ 4 4 4 4 4 4 4 4 * 4 4 4 4 4 4 *3_4 ^ M ^ 4 4 4 4 4
(3.2.8-1)
FP4 4 # * 4 4 4 ^ 4 4 1 4 * € 4 . 4 # 4-^-5. S 4 4 4
F - l-l[l-4(Th/)l/2] [1-4(TH/JI)1/2 + Te]
4 4 4 , F - 4 ^ 4 FP4 4 # * * Th - Dct/h2, Te = Dct/r2, h = 4 4 5 . ^ k 4 (h), r = 4 4 5 . sg4 4 4 (r) (m), t - 4 4 (_£), 3 4 3 Dc - uo2 4 * 5 . 4 4 4 (oxidant)4 4 * 4 3 # S 4 4 ^ 4 4 4
^ 4 4 * 4 4 .
4 4 , * * 4 4 4 4 4 uo24 4 4 % 4 4 * * * 3 ( K ) 4 4 :4 4 * 4-5.: 4 4 ^ 1 4 .
Dc (m2/s) - 9.9 x 10-3 e,~28600/T,
4 4 * 4 ^ 1 NUREG-0772 4 4 4 ( 4 4 4 4 4 : 4 ) * ^ * * 3 4 4 4 4 4 1 H FP41 4 * 4 * 4 1 4 4 4 4 . 4 * 4 4 4 4 * 4 * 4 FP 4 # 4 4 4 1- __44-3 4 ^ * 4 * 3 4 4 * FP 4 # * * 1 ^ 4 4 4 3ej|____ 3 # 4 3 4 4 . 4 4 4 3 4 ^ * 4 4 4 4 * 4 4 : 5 * 4 4 4 4 .
- 78 -
k(T) - A eJ (3.2.8-2)
4 4 4 , k(T)±r 4 * * * 4 * ^ 4 * 3 4 4 ^ * 4 4 , i * *3[°c] 4 3 A.&b 4 * 4 * <>11 4 4 4 4 4 ^ 4 4 * 4 4 * 4 * 4 4 .
FP
Xe, I, Cs Te
1000 X: < T <2200°C A
1.65 x 10-7 2.96 x 10-8
B
0.00667 0.00667
T > 2200 °C A
1.89 x 10-5 1.17 x 10-5
B
0.00451 0.00404
4 * - ^ 4 1 4 FP 4 # 4 4 4 4 4 * 4 S 4 & 4 . 4 4 4 * M * 4 i_4 __i_*4 * 4 4 * 41:4 ^ * * 1/2/3/6/114 4 * 4 4 . 4 * 34 Te 4 * * 4 * 4 4 Teiiuride!_4 * 4 4 # 4 4 y * * 4 4 . 4 4 4 4 4 * Zr4 4 4 * 4 70-90% 4 4 4 1 4 * 4 4 144&->-4, 4 4 * 4 Te^ 4 1 4 ^ * 4 4 * * 5.44 &*4. 4 4 4 4 4 * 5 .444 4 4 ISAAC 3 3 4 4 3 4 * 4 * 4 (FTEREL 4 4 4 * , IDCOR/EPRI 3 1 4 4 * ) * 4 * 4 3 4 4 . IDCOR/EPRI 4 4 4 4 4 * 4 4 4 FTEREL ^ 4 4 * 4 &£-3-"0"4 4 4 4 4 Te4** 4 # 4 4 &3 i_44 4 4 ^ 4 * 3 4 * 4 * 4 1 * 4 * 4 4 3 4 4 4 4 4 4 Zr4 4 4 4 * S 4 . 4 * 3 4 * * 1 - ^ - 3 4__. 4 * 4 (MCCI) Zr4 * 4 4 4 4 4 4 Te°l 4 # 4 4 ^ 4 . 4 4 NUREG-0772 * 4 4 44^1 ^ H ^ FTEREL 6 J 4 4 * 4 i-5-5. "0*4 4 4 4 4 NUREG-0772 4 4 : 4 4 4 4 4 4 4 4S-*4 40%44 4S-44 4 4 (4, 4 * 4 4 Zr4 4 4 * * 4 4 * 4 ^4^1*4 FTENUR ( 4 * ^ - 90%)& 4 4 1 4).
444 * 4 * 4 4 * 444 1 * 414 FP 4#J_14 41*11 4 * 4 * 4 * 4 * 4 (KAERI/TR-2417/2003, <_£. 9> §__.) 4 4 3 * 4 * * ^ 4 & 4 . * 4 4 ^ * 4 1 4 FP 4 * 3 l (IDCOR 4 4 4 4 3 1 *J NUREG-0772 4 ^ 3 1 ) 4 4 1 4 4 4 # * 4 * 4 4 & 4 . 3 4 3 IDCOR 4 4 3 1 4 4 * . 3 4 4 * : 5 4 4 (blockage)4 44= 4 * * 1 4 5 - 4 4 . 3 4 3 4 * 4 4 1 4 4 4 4 4 4 4 Te 4 * * 4 * 4 4 Teiiuride__4 * 4 4 * 4 4 y * * 4 4 . 4 4 4 4 4 * Zr4 4 4 * 4 70-90% 4 4 4 1 4 * 4 4 1 4 4 & -5-4, 4 4*^1 Te^ 4 1 4 4 * 4 4 * * 5.44 &*4. 4 4 4 4 4 4
- 79 -
4 4 * 3344 4 * 4 * 344 Te 4*444 44 4*4 *4 (IDCOR 3 1 * "FTEREL" * 4 , NUREG-0772 3 l * "FTENUR" * 4 ) * 4 * 4 4 * 4 4 £ 4 .
#_E4__. 4 4 ^ 4 4 1 4 1 4 3 * ^ 4 * * 4 1 * ^%v4 4 4 4 ^ 4 (bounding conditions)* * 4 4 & 4 . 27l__4__i_ 44__ #^-3.4: (Reactor Outlet Header)44 4 4 4 4 (=0.2594 _2)4 1 4 4 ^ 3 , 4 4 4 4*6J4*4 4**11 4 1^ ^44*. 4 4 ^ 4 * 1*4*, 343 44 * 4 4 4 4 * 4**4 4 4 4 * * 4***^-5. 7}44£4. *41444 * * * 4 * * 445-4 4444 (=0.87 )44 7}*44, 4 4 * 4 * 5. i&**4*4 3 4 * 4444 4 4 * * 4 1 * 444&4. 445-4 44 4 4 * FSAR44 44S 1 4 * 4*44 0.872.4 * * 4 4 4 3 * M4. 3 4 3 14 4*44 1AJ4* 44 434 4 * 44 34 44 4 * * 1 4 4*444 44 *41444 4415. (MSSV)# 14 24 4 * * * * 3r}4 v|z| (crash cooldown)443* 4 3 44. 4 * 34471 444 LOCA 43L7)- 4*43 30_& *4 MSSV7} 143, 4 * 14 4-4* *44 3 * 4^4. s_4 LOCA 4^7i? 1^44 7r
6J-7li_ 4144 &* * ?H4 445-^ 71-44 44 15.* 4*->-5. 45. 4 4 4 3 * 4&4. 4 434 4*. LOCA 431* 14 4*4 444 5.56 MPa °]v}3. 4__4^ 3.3_i4 1AJ44, 7)-44 4415.J-- 4 23_s_4 4 4 3 , 4 33_s_4 MSS\* 7)144 4. ^S_4J_4 4 4 ISAAC * J 4 4 1 * 4^5-^4 [9]4 <s.io>* 4 ^ 4 3 4 ^ 4 3 4 44) 4 3 4 4 4 1*4 4 4 1 4 * 4 # ^ 3 4 [13]* 4 ^ 4 4 S4 .
4. 4 4 4 3 4 4 4 4 1 4 S3 4 4 47}
4 1 4 4 * * 445-4 4 * 4 4 * 4 * 4 * 4 4 4 4 4 4 445.4: 4 * 4 * 4*414 144 ^444 4444 ^4 4# (early release)* 4 *44. 4 * 4-#4 444447} 14344 *4 4 * 4 * 14344 *^44 34***-*3.4== 4 * (MCCI)OI 4444 *4 4 * (late release)* 4444. 443 * 4 * 414 4X4=§-4 Csi 4 Zr 4 4 * (*44# 44 zr 44*=75%)4 * 4 4 * Ife Te 4*4 44 **34& 4. ^44*4 ^5.43 44^4*4 4*7fe4o) ^g. (*h!__.ei<>i. .§.
- 80 -
4 4 3 4 * * * 4 1 4 3 4 4 *==44 4 4 * ^ 1 4 4 *4sPike7)- 1 ^ *>_ii_.) 4 4 4 1 4 3 4 4 * 4 4 * 4 4 4 4 4 * 5 . 4 4 ( 4 3 4 4 * 3 1 ) 4 4 4 4 4 5 - 4 * 4 ( 4 4 + 4 4 + 4 4 * ^ ) * 4 * * * 4 4 3 4 4 * 4 1 ^ <S 3.2.8-l>4 4 4 4 ^ 3 <34 3.2.8-l> 4 <34 3.2.8-2>4 csi 4 Te4 4 4 4 4 * * 4 * * * 4 4 5.&4.
* 7}4 3 1 4 csi 4 # * 4 4 * 4 1 4 , csi ^ 7 1 4 * * IDCOR 3 1 ( 3 4 4 4 4D")4 4 * & & 3 ( 4 54) * 4 4 * * NUREG-0772 3 1 ( 3 4^14 "07") ^7} 4 * * 4 4 1 ^ 4 4 4 3 3 1 4 * 4 * * * -£-44 4 1.54&&4 (<34 3.2.8-i> ^__). * J _ 4 4 * * 4 4 5 . 4 * * * 3 4 4 1 4 4 * 4 IDCOR 3 1 4 4 * * 4 * * * 3 **H14 4 4 4 4 4 4 4 ^ :#__.__. 4 4 4 4 . NUREG-0772 1 4 4 4 : 4 * 445-7} IOOOC 44-<H) 3 1 4 4 FP7} 4 * 4 4 4 4 4 4 * * * 3 4 2200c 4 4 4 4 * ^ 4 l 4 4 4**( exponentially) AS. 4 * * 4 * 7 r 4 * 4 1700C-1800C 4 4 4 i-2%4 4 * * * 5-44. Te 4 * 4 4 * , IDCOR 3 l # 3 4 4 4 * 4 4 * 4 (FTEREL=O, 3 4 4 4 "B")4 4 4 4 4 y * 4 * * 4 4 4 ( 4 20%)4 _£.44 4 * 4 4 - ^ 4 NUREG-0772 3 1 ^ IDCOR 3 l # 3 4 4 4 * 4 4 * 44 444 4 * * ^44*4 1^44 &&4. 343 43 314 *4 * * * NUREG-0772 3 l , IDCOR 3 l * 3 4 4 4 * 7 ) - ^ * 4 (FTEREL=1, 3 4 4 4 "R"), 4 IDCOR 3 1 * 3441 4*414 * 4 * ^ ^ 4 4 4 Sitf 4 (<34 3.2.8-2> 4 ^ ) . 4 4 * * 3 4 3 4 * 4 4 ^ 4 * * * 4 candling4 4 4 blockage 4 4 ( 3 4 4 4 "C"(-candling) Rj"NC"(=no candling))* 4 4 4 4 * 4 1 4 4 * 4 3 4 4 4 &4 4 * ^ 4 4 5 . 4 3 4 4 * ^ 4 4 (blockage)4 4 4 * IDCOR 3 1 4 4 3 4 4 4 4 4 4 & 4-^-4, NUREG-0772 3 1 4 Te 3 4 4 4 * 4 4 * ^ 4 4 4 3 3L7] 4 * * 714 4444 &44.
4*-5-5. 4 1 4 4 * * Csi4 4 4 1 * s * * 4 4 S d 4 . 4 * 4 4 4 4 5.4: 4 * ( 3 4 * * * ) , 4 4 5 - 4 4 * ( ^ 4 * * * ) , 4 4 4 4 5 . 4 * . 4 4 4 4 5 - 4 * , 1 4 3 4 4 * 4 4 * ( 3 4 * * * ) , 4 4 4 5 . 4 * ( 1 4 3 4 4 * H S 4 , 4 4 / 4 4 / 4 4 * ^ 4 3 4 * * * p o o i ) 4 * 4 csi * * ( ^ 4 4 4 4 4 ) * < 3 4 3.2.8-3>, < 3 4 3.2.8-4>, < 3 4 3.2.8-5>, < 3 4 3.2.8-6X < 3 4 3.2.8-7>, * <ZL^ 3.2.8-8>4 4 4 S 4 4 & 4 .
- 81 -
4 4 4 4 4 4 4 5 - 4 4 * 4 4 4 5 - ^ * * *1 445 .4 :4 4 * 4 4 4 10 4 4 4 4 4 4 4 s * 1 4 3 4 4 * 4 5 . 4 * 4 4 4 4 4 4 3 4 * * * 4 c s i ^ ( 4 * 4 4 4 ^ - 1 * 4 4 4 4 ) 25%-80%7} 1 4 3 4 4 * 4 5 . 4 * 4 3 4 * 4 cs i^ 4 4 4 4 4 4 4 5 . 4 * 4 io%-25% *! 7%-30%4 Csi7} 4 * 4 4 . 1 4 3 4 4 * 4 5 4 * 4 Csi^ 3 4 * * * 4 * 4 * 4 4 4 1 4 3 4 4 * 4 4 * 4 4 4 5 4 * (*, 1 4 3 4 0 } # _ i ) 3 4 * 4 * 4 4 1 4 3 4 4 * 4 4**11* 4*4=4 4 4 &4. 4 4 , 4 4 5 . 4 * 4 * ^ 1 * ^ 4 4 4 4 * 4 * * 4 4 3 ^ 4 4 * * 4 ( 4 * 4 * 4 4 4 4 ) 4%-20%4 csi7} ^ 4 4 4 <34 3.2.8-i>44 1 * 4 * 4 MCCI 4 * 4 4 * * 4 4 * 7 } 4 4 . 4*-°-5. 4 * 4 * 4 1 NUREG-0772 3l(07-C-R-90) 4 IDCOR 3 1 (ID-C-R-90) 4 ^ 4 3 4 4 4 1 Csl4 * ^ ( * * ) # <34 3.2.8-9> 4 <34 3.2.8-io>4 4 4 S 4 4 & 4 . 4 4 4 4 4 , 437} 4 4 4 4 1 4 3 4 0 } ^ E q ) ^ MCCI 4 * 4 4 4 4 4 i _ 4 * * § - 4 * (25%-80%)4 cs i^ ^ -44 4 * 4 4 4 3 4 4 * 5 0 4 4 4 4 * 4 4 ^ 4 ) 4 ( * 4 4 * ^ ) 4 3 4 * * * 4 * 4 csi 4 4 4 4 4 * 4 4 4 . 4 * 4 4 5 . 4 4 (4 4 4 * ^ ) 4 4 * * 3 3 4 * * * 4 * 4 4 * * 4 4 3 4 4 3 1 * 4 * 1 4 3 4 0 } 1-^4 i _ 4 * * i - 4 * 4 ^ 4 i5%-40%4 Csi7} 4 * 4 4 . 4 4 , * * 4 ° f l 4 * 4 4 5 . 4 * 4 4)4 4 ^ 4 * ^ 4 1 * 4 4 * Csi4 4 * * 4 s}4 * 4 4 4 * 4 3 4^-4 4 * * * * 4 4 1-&.44 ( 4 4 ^ 4 * 1 4 4 4 * 4 4 ^ 5 - 4 4 * 4 * 4 4 4 * 4 41444 4 * 1 ^ 4 * 4 441 4 4 4 4 4 * 4 4 ) .
4*__L5_ 4 * 4 * 4 1 NUREG-0772 3 l (07-C-R-90) 4 IDCOR 3 l (ID-C-R-90) 4__4__.4 4 4 1 Te/Te02 * S ( 1 4 ) # 0 - 4 3.2.8-ll> 4 <34 3.2.8-i2>4 4 4 S 4 4 & 4 . 4 4 4 4 4 , NUREG-0772 3 1 4 4 * , 1 4 3 4 0 } ^.^0^)44 MCCI 4 * 4 * 4 Te^ Te024 4 4 5 . * 4 4 4 #47l 4 4 4 * 4 4 , IDCOR 3 1 ( 3 4 4 4 * * 4 ) 4 4 * . ^ 4 4 4 4 4 4 4 Teo24 4415. 4 * 4 4 1 4 4 * 4 4 4 : 5 4 * 4 4 * 4 4 MCCI 4 * 4 * 4 * NUREG-0772 3 1 4 4 4 4 * * 4 4 * 4 * 1 * 4 4 .
4 4 4 * 4 4 4 Csi __.7l*<H_* IDCOR 3 l o ] 4-f jii*4____ 4 4 4 * 3i__5. 47}^4 . Te4 4 * * , IDCOR 3 1 4 4 3 4 4 4 * 4 4 * 4 4 4 4 4 4 NUREG-0772 3 1 4 447}4__ T e 4 * * £.7]*^°] o] =144*1 ^
- 82 -
3 i_44 44 i_4*5_ 4*4 * 4 1 * 4*44 34 44444 z 4 44 4*S4. 4 * MCCI 4*4 zH ^-44 4444 Te4 *44*oi 4 * 4 4 4 4 4 . 3 4 3 Csi * 7 l 4 * * NUREG-0772 3 l o l 4 - f t_^4__. 5. 4 4 4 * 3J-5.5. 4 7 } ^ 4 . Te4 4 * * NUREG-0772 3 1 4 IDCOR 3 l 4 344 4*414: ^y} 5.*4^-5. 444*41 4 * NUREG-0772 3!O] * 4 4 * 44444 44 45.3 4**3 44 * 4^-5. 47}^4. 44 4 414 ^*4 ^44*4 4* IDCOR 314 344 4*7}^ (FTEREL=I) * 4 * 4444 7}4 5-*44 4414* _^444, * 4 4 * 4 4 * NUREG-0772 3 1 * 4444 7}4 5.*44 4414* 5L444. 44 44 IDCOR 314 344 4*44 (FTEREL=O) * 4 * 4*44 ^4 4 *44*4 5_*44 444 44147} 4444.
- 83 -
__ 3.2.8-1 414 FP 4*311 445.4* 44* FP *4*3
♦ LOCA 4 4 4 4 5 . 4 * 4 7 ] * * 4 * 3 (MFPCOT/MFPO)
> CT 4 £ - i40000^a_(IDCOR) 120000<*|^(N~0772)
> CCI*)4(=40hr) ( t o t a l ) Zr 4 4 * = 75%
Zr02 Limit (FTENUR) =90%
Zr02 Limit (FTENUR) =70%
Zr02 Limit (FTENUR) =1%
In-Vessel Te bounded (FTEREL=0) In-Vessel Te released (FTEREL=I)
FTEREL=N/A
FTEREL=N/A
C T 4 * 4 *
4 3 3 1 4 C T 4 * 4 *
4 3 3 1 4 C T 4 * 4 * 4 3 3 1 4 C T 4 * 4 * 4 3 3 1 4
IDCOR 3 1 (4gHj44j Blockage allowed
(ICANDL=0) Csi [%]
20.7
30.9
22.3
32.1
Te02 [%]
0.0
22.8
22.3
27.8
No Blockage allowed (ICANDL-1)
Csi [%]
22.4
32.7
22.3
32.2
Te02 [%]
0.0
23.3
22.3
27.8
N7A
NUREG-0772 3 !
(44/144^4) Blockage=N/A
Csi [%]
5.0
44.5
Te02 [%]
0.0
30.9
FTEREL=O 4 - ^ 1
4.9 44.5
4.8 44.2
0.0 30.9
0.7 30.6
D.45
3 4 3 2.8-1 4 1 4 FP 4 * ^ 1 1 4 4 4 * 4 csi
U.35
0.28
U 21
D.14
0.07
0.0 -
4 ~t o
40 eo TIME HOURS
3 4 3.2.8-2 4 1 4 FP 4 * 3 1 1 4 4 4 * 4 Te02 * 4 -J o
- 85 -
MFCSIP 1.0
0.8 -
0.8 -
0.4
0.2 - X - - - T -- 4 -- h -
—'-'—
L-Ci-C-E-i* k-Ci-hil-Si-j* L-B-hC-G-S*
b-frT-C-R-M
k-i-T+C-R-M-
40 60
TIME HOURS
80 100
4 3.2.8-3 4 1 4 FP 4 * 5 . 1 1 445.4: 4 * Csi 4 * * *
4D 00
TIME HOURS
3.2.8-4 4 1 4 FP 4 * 3 1 1 445-4 4 * 4 3 4 * * * 4 Csi •4 -J o
- 86 -
MFCSIPS(I)
TIME
3 4 3.2.8-5 4 1 4 FP 4 * ^ 1
40 60 TIME HOURS
3 4 3.2.8-6 414 FP 4*311 44 445. 4 * Csi 4-
- 87 -
MFCSICT 1.0
0.8
0.6
0.4
0.2
0.0
07
ID —B— k-n-c-o-w-— 9 - k-_-C-K-» - v - k-n-hc-B-sfr - 4 - b-G-hC-R-M-- _ - \t-t-f-C-b4t — ■ — k-6T-C-H-*A —M— k-6T.HC.B4e
k-t-T-hC-R-H-
20 40 60 8 [i TIME HOURS
100
3 4 3.2.8-7 4 1 4 FP 4 * 3 1 1 1 4 3 4 o } -§-7l _J-f- Csi 4-
1FCSIC MF 1.0
0.8
0.6
0.4
0.2 -
0.0
J .
07
ID
□ - J- -- 4 -- Jr -
—e—
k-CnI-fr-M-k-_-C-R-*fr k-D-hC-b-tt-Ls-n-hC-E-s* k-tT-C-fc-tt k-df-c-n-a k-6T.nc-b&.
20 40 60 TIME HOURS
80 100
3 4 3.2.8-8 4 1 4 FP 4 * ^ 1 1 4 4 ^ 4 * 4 (44/44/v34« * * * p o o l ) Csi * 4 * * -4
- 88 -
□ - J - -- 4 -
- _ -
I+ICSP l-F-_P_ i| \-FCifUi\ l*CS_T W^Lit n-Fi i_: FT-FL_:H
+pool
J ^ C_ _3 <_f
^Sf f l l i l
■=. 1=1
40 60 TIME HOURS
3 S ] 3.2.8-9 NUREG-0772 ^*(07-C-R-90) , 4 4
1.0 # * -
0.2
0.0
0.8
0.6 - - -/-
0.4
□ - J- -- 4— - _ -
I+1C_> l -FC_-i l | I -TC IKJJ I HTCSET i-rcac FVFIC_: n-FCi_H
+pool
__ffllS nrhE+W-il
- L n a i i
40 60 TIME HOURS
80 100
3 S ] 3.2.8-10 IDCOR ^*(ID-C-R-90) , 4 4 1 * S 4 Csi * 4 u
- 89 -
3.2.8-11 NUREG-0772 ^*(07-C-R-90), 4 4 1 * S 4 Te/Te02
•41^^]
40 60 TIME HOURS
U 3.2.8-12 IDCOR ^*(ID-C-R-90), 4 4 1 * ^ S Te/Te02
* ^ 1 4 [ K g ]
- 90 -
4. 4414 s i *4 4 *44^
ISAAC 3 3 4 4 * ^ 4 * 137}44 4 * * o } 4 4 7^^ A ^ ^ . ^ 1 4 3 4 4 * 4 4 4 * * 4 4 4 4 4 4 4 3 4 ^ - ^ * 4 * 4 4 * 4 * 4 * &li 4 4 6 J A H ^ i_4____*4 * 4 4 * 4 4 1 4 4 * * 4/5/7/8/9/104 4 * 4 4 .
Xe, Kr Csi Te02
SrO M0O2
CsOH
7. 8. 9. 10. 1
BaO La203
Ce02
Sb
Te2
1. 2. 3. 4. 5. 6.
ISAAC 1.0 3 3 4 4 4 1 4 FP 4 * 4 4 * Kelly 4 4 4 [ 1 8 ] * 4 * 4 4 , 4 * 4 4 4 4 4 4 4 4 * * (bulk fiow)44 4 F P 4 * 4 4 4 4 3 3 4 * 3 4 4 4 S 4 4 4 * ^ 4 4 4 & _ - * # # t - o | 4 ^ ^ <uo_4 0] ^ * , 4 4 1 4 F P 4 4 * * * F P 4 S 4 * 4 l 3 _ _ 4 4 * 1 4 . * , 4 4 1 4 FP 4 * * 4 4 4 4 4 4 4 4 4 4 Keiiy4 4 4 : 4 4 4 * 4 4 .
k(T) - KO e(-Q/RT) (3.2.8-3)
4 4 4 , k ( T ) * #r **^4 *344 fr ; 4 4 , T ^ * 3 [ ° C ] 4 3 , R* * * 4 4 4 * (=8.314 J/g moi K)O|DJ ( K O , Q ^ 4 * 4 4 4 4 4 4 ^ 4 ^ * 4 4 * 4 * 4 4 .
4* Sr Mo Ba Ce Sb
KO 1.2 6.1 94.
5.2 x 1011 260.
Q 2.0 x 105 1.5 x 105 2.43 x 105 8.52 x 105 2.07 x 105
- 91 -
4 4 , uo24 4 * * * * 4 4 4 ^ - 4 , La2o34 4 * 4 4 4 * Ce4 KO * Q a 4 4*4 &4. SrO 4 4 * * * IDC0R[16] 4 NUREG-0772[17] 3 1 3 * 4 4 Keiiy4 4 4 : 4 4 4 4 4 4 ^ 1 4 .
4 * - 5 - 5 . 4 4 1 4 F P 4 4 * * * 4 F P 4 S 4 * 4 l 3 ^ 4 4 ^ 4 . 4 4 4 ^ * 1 4 5 - 4 F P 4 4 * 4 4 4 * * * S 4 * 4 4 4 4 4 4 4 4 * 4 o ] ^ o}efl4 4-9-5. __4^14 :
n" = - D ___ (3.2.8-4)
4 7 1 4 , n = 4 4 7 1 4 4 * * * (molar flux), D " % 4 4 * (diffusivity), C = * * 3 (molar concentration), 4 y = 4 * * 4 * 4 4 5 t (coordinate perpendicular to bulk flow)
3 4 4 * 4 S i _ 4 * a _ 4 ^*° f l 414 D * dc/dy a * & * * 4 1 4 * 4 ^ 4 4 , ISAAC 4 4 * 4 * 4 4 * 4 S 4 :
1 B D - 3.12E-4T / P (3.2.8-5)
(3.2.8-6)
444 rf r ^A^As. 1^4 4 ^ 4 3 , o}4^4 " s a t" uj "in"* S4 (saturation) 4 <&^- (inlet)* 4 4 4 4 . 3 4 3 1 * * 3 (Cm)* ^ 4 * * 4 (accumulated release flowrate, min ) 4 4 4 * * (taotal molar volumetric flow, nT)4 4 4 4 * 4 ^ 4 4 4 4 :
m, ih (3.2.8-7)
- 92 -
4 4 4 nv = nxRT/Polu}. 4 4 , S 4 ^ 3 (Csat)_r S 4 * 4 (saturation mass flow) A ^ * 4 4 * 4 ^ 4 4 € 4 =
= msat
" nv (3.2.8-8)
4 4 4 thsat = MrixPsat / P olnj M* * 4 4 (molecular weight) 4 4 , 4 4 4 ^ 4 S 4 4 4 (Psat)4 4 4 4 4 4 * * * Sd4.
* 4 * 4 4 * Kelly 3 1 £ S4 f^7 l l 3 4 4 * 4 (KAERI/TR-2748/2004, <s 3.i> 4 ^ ) 4 4 4 44^- * 4 * * 4 * 4 4 £ 4 . ISAAC 1.0 3 3 4 4 * i _ 4 4 * 3 1 * NUREG-0772 3 1 4 IDCOR H.14 4-§-5)^4 4 4 1 4 4^-4 4 4 4 ^ 3 * Kelly 3 l * 4 * 4 4 . 4 4 4 *7}4 3 1 * 3 4 4 * 4 4 1 4 4 * 4 * * 4 4 4-4-5. 4 ^ 4 * 4 3 4 4 * I°1H_L, 1 * Kelly 3 1 * 4 * 4 4 4 3 4 4 1 4 4 * 4 4 * * 4 4 * 4 4 4 4 47} 1 ^ 4 4 . ^ -43 4 4 1 4 FP 4 * 4 4 4 4 ^ * £ S 4 & 4 . _M 4 * M * 4 4 4 1 4 FP4 4 * * 4 4 4 S 4 * 4 * 4 FP* #__.__. 7 }43 4 1 ^ 4 4 4 4 * * 4 **4l 4*11 4 * * 4 4)41 * 4 4 . 4 4 4 4 4 * 4 * FPRAT 3 1 4 * 4 * 4 &* * 4 4 4 4 4 4 4 . 4 4 4 *7}4 3 4 4 * 3 1 (NUREG-0772 3 l 4 IDCOR 3 l ) 4 4 4 4 4 S 4 * 4 l 3 4 4)4 4 4 * 4 4 &* ^ * ("N-0772" 3 "IDOCR"3 X 4 ) 4 4 * ^ * ("N-0772m" 4 4D0CRm"i_ __4 ) * * * 4 4 °}44 47}4 ^ * 4 44 444 **34&4.
^g* 1. NUREG-0772 3 l , _£4*7)1- 4 4 4 4 & * (LO-07) ^g* 2. NUREG-0772 3 l , _ _ 4 * 7 ) 4 4 4 (L0-07M) ; g * 3. IDCOR 3 1 , _ _ 4 * 4 4 4 4 4 4 & * (LO-ID)
^g* 4. IDCOR 3 1 , __4*7]<y- 4 4 (LO-IDM)
# _ E 4 _ _ . ^ 4 1 4 S . 1 4 * 4 ^ * 4 * 1 4 4 , 4 ^ * 3 4 4 4 ISAAC
° „ 4 4 1 * 4 # j _ . 3 4 [1914 < s 3.2>* 4 - ^ 4 4 S 4 .
- 93 -
4. 41-43444 4 4 1 4 H i <%> ^y\
34 3.2.8-13/154 S 4 * 4 1 3 44*44 &* ^ * (N-0772, IDCOR), 4414 ^ * * sb^ 4454 4*4 4 * 4 * ^#44 4444 445. 4 4 * 4 * 4*44 144 4444 4444 ^4 4 * (early release)* 4*44. 4 * 4*4 ^44447} 1 4 3 4 4 *4 4 * 4 * 14340} i_=44 34***-^-345. 4 * (MCCI)O) 4 4 4 4 *4 4
44*5.4^ (=7244)44 4 * * * * Sb, Sr, Mo, Ba *____. ^$J-_l4 (44 0.2% — 433.5%), Ce 4 La (La203)4 4 * 4 4 4 * Ce4 * 1 4 4 * 4 * (= 4 (2-D4 KO 4 Q)* 4*)4 4 * * * * 44 4*4 44 4 27H 4 * (order)7} 4°} p4°fl* ^ 4 4 4 &44.
I g 3.2.8-13 (N-0772) il 34 3.2.8-15 (IDC0R)44 434*4 -f- £_x£ 4 4 * 4^4*J4 4441 4 4 *44*4 44444 4 * * 4414 4*4 4 * * * * 44 * 4 ^ * 1 * 4^-4 4 * * £.! k * Kelly 444-i- 4*44 4*44 . 3_4 ^g*^44 4 * 4 4 * 4 * candiing4 4 4 * ^ 4 4 (blockage) 444 &* ^*4 *5. 4*^4 . 3 4 4 * * ^4 ] 4 * 4 4 i_4***4 candlingo) k|4 blockage 4 4 * 4 44 4 *414 4*4 3444 &4 ^*5-4 45.4 344 *5-444 ^ *<M 4E}44 &_____._£ 4*44 *44 * <£4* *4 * 4 * 4^:5 4 4^4 .
44, 34 3.2.8-14/164 ^ 4 * 4 1 3 4 4 * 4 4 4 * ^ * (N-0772m, IDCORm), _ -4*4l3 44*44 &* ^ * 4 * 1 4 4 Mo 4*4 4*4 4 24 4 * (order) o]s£ ^o]^ 3 ^ 4 * ^444 &*4 44 4 4 * 4 4 ^ 4 4 5-^4.
- 94 -
3 4 3.2.8-17/18^ 47}4 ^ * (N-0772, N-0772m, IDCOR, IDCORm)4 4 4 67}4 4414 4*4 445.4 4*4 34** *4 * 4 * * * 5.4* 4. 445.4:4 4*4 44 34***4 445.4:4 4*5. * * ^ 4 4 4 *4 * *4 44^ *7}4 1434°} *5.44 3 4 * * * - ^ - 3 4 H 4 * (cci)4 4AI44 44 44 100*4 31*}* * * 44. 444 4 * ^4 4414 4 * * 41-^4 44 &* *4^5 1444 4 * * 34 * * * 4 S444 *444 4 * 4 * 4 (44 ~*%)44 444^41 *
- 95 -
(1.0E-3) 35.0
28.Q
7.0
0.0
—B— nrxcc — e - n-rux - + - • n-F_Hit — i - - n-FU-Ji: —_- n-Fiic —■— nc_c
21.D
14.0
20 40 60 40 60 TIME HOURS
80 1DD
3 4 3.2.8-13 4 4 ^ 4 * 4 4 4 1 4 FP * * } * (N-0772)
(1.0E-3) 35.0
28.0
21.0
14.0
7.0
0.0 -
—B—
- + - ■
—■-
n-Fificc n-ruot FH_OC Fvn« i n-ncc_h: Fvr_c
40 60 TIME HOURS
3 4 3.2.8-14 4 4 ^ 4 * 4 4 4 1 4 FP * 4 * (N-0772m)
- 96 -
(1.063) 30.0
24.0 ■-
18.0
12 0
6.0
—B— n-F—cc —e— nrvcc - + - - n-i_H:t
1- - FVCT.4JC £r- ■ FVFCrQJC ■ — FVF—L
40 60 TIME HOURS
3 4 3.2.8-15 4 4 ^ 4 * 4 4 4 1 4 FP * 4 * (IDCOR)
(1.0633 30.0
24.0 --
18.0
-e— ~-n-DC Fl-FTCi
- i - - n-Fi_c -ir- - n-rcro^: -■— n*r_c
12.0
6.0
0.0 40 60 TIME HOURS
3 4 3.2.8-16 4 4 ^ 4 * 4 4 4 1 4 FP * 4 * (IDCORm)
- 97 -
1.D
[i 8
0 E.
0 4
D 2
0 0
r\ r-'~r
I I I I i i i
—B— FVFSfiMH
- # - • n m o c H —it- FVrcro«:H
I
...
2D 40 60
TIME HOURS
1.0
0 8
0 6
0 4
0 2
0 0
/TJ..XL
; ; ; —B— FVFSHMH
—&- ■ FvrcrcocH . . .
40 eo TIME HOURS
80 100
3 s ] 3.2.8-17 3 4 * * * 4 4 4 1 4 FP * 4 * (N-0772/N-0772m)
1.0
0 8
0 0
0 4
0 2
0 0
*==T* ;—■— r =— ,
| ! ! ! !
i i i J.....L....i L
i i i
—B— FVFiBLtH
- # - - FVTUOCH
— i - F f f i [ _CH
I
...
20 40 eo TIME HOURS
100
1.0
0 8
0 h
0 4
0 2
0 0
— B — FVTSfiOCH
FVTH-IJIH
—tl- Ff f i [_CH
20 40 eo TIME HOURS
100
3 4 3.2.8-18 3 4 * * * 4 4 4 1 4 FP * 4 * (IDCOR/IDCORm)
- 98 -
0 5
0 4
0 3
0 2
0 1
40 00 TIME HOURS
1DD 0.0
"\ \ f U w
I n
ft
1 \
, r
J. i^X
- + - WKBTIH
;
. . . .
20 40 eo TIME HOURS
100
3 4 3.2.8-19 N-0772 ^ g * 4 4 1 * 4 1 4 [Kg] (Sr0/Mo02)
V - WTlIlZ'TlTl —ii- vrK\-n\T\
126
100
75
50
25
\
\
w I
, / "
....4
H^ l IHT l i l
;
. . . .
40 00 TIME HOURS
10D 20 40 eo TIME HOURS
80 100
3 4 3.2.8-20 N-0772 ^ * , 4 4 1 * 4 1 4 [Kg] (Ba0/La203) 40
32
24
\
1 \
\ \
(
I
\
, r
-
- ■+- kFTlIRTli l
il- H ^ l I H T l ^
!
(1.0E-6) 15.0
6 0
3 0
__, 20 40 00
TIME HOURS 100 20 40 eo
TIME HOURS
SO 100
3 4 3.2.8-21 N-0772 ^ * , 4 4 1 * 4 1 4 [Kg] (Ce02/Sb)
- 99 -
9. 4 * 1 A I 4 * 4 * 4 4 4 S.1
4. 3 1 * 4 4 * 4 4 ^
ISAAC
NTGFP
BS (S J\ _t #! Jl)
PZRFP
FPTRNP
DIFFP
CLNDFP (m _d E_ El Oh )
FPTRNP
PHTSFP
FPTRHS FPTRHS
AUXFP (3 y _ i )
FPTRRB
GROSSE
4 4 4 * il 4 4 4 4 *-_._s.3.^4 4 4 * * 3 3 4 4 ^ , ISAAC 3 3 4 * 1 A I 4 * (FP)4 °]^/t_t?_ u| ;§*]- 3 1 * 1 4 4 * (PHTSFP/FPTRHS * __3_3*3), 1 4 3 4 o } -§-71 (CLNDFP/FPTRHS *____.3*3) *J 4 4 ^ 4 * (AUXFP/FPTRRB *__.__3.^H4 4 4 4 * * 4 7144 4 4 4 * 4 4 * * (124)4 47}4 441 ( = * 4 / 4 4 5 . # / 4 4 / ^ 4 * * * ) 4 4 * 3 4 4 4 .
1. 2. 3. 4. 5. 6.
* 1 4 A± "A 414 Csi Te02
SrO Mo CsOH
- 100 -
7. 8. 9.
10. 11. 12.
BaO La203 i l 4 4 * (lanthanides) Ce02
Sb Te2
U02 *I ■at.O. 4 * * (transuranics)
*4 il 44 i. *4 iJ 44^*4 *1 il * *
4*1^ *4 44 s.4 * 4 * 4*4 14=
2.
3.
4.
5.
*4 4 ^44 * 1 4 * * *4**4 44 144 S4 4 1 * - ^ *444 13^4 44 44^# 4 1 143.44 4*4* a. ^ 4 4 44
«_r44 414 4 4
4 * 4 ^ 4 4 4 4 44
"5" 4 3 3 44 c * * 445.# * 4 4 * d. ^ 1 (well mix)4 3__4 *4 ^1*
* , 3444 4*4 *4 iJ 4 4 ^ # 4414 FP^ *#4 , *__, iJ 4 4 7}^4 441 14*, 1 4 3 4 4 *4(CT)/*__.(CV) il 4 4 ^ 4 ^ 4 ^ 44. 4 » 3444 44 14*444 4 * * * 4 445.4* 4144 4*4 4:4 3lo] 4*44 . *7l444 4 * * *l(vaporization) 4 **(condensation) 4 4 * *44 A<§4 5E* 4444 , 445.#* Seed (*5_ * 4 * H *44 4*4 *444 ^444 . 445.#4 4 4 * * 44 4 4 4 4 ^ * 4 ^ 4 (gravitational sedimentation), *444 1^ * (thermophoresis, 4 4 4 144 ^ 4 4 4 *3-?-44 icfs} 44.§.# 6j 47} __4-£-5. 4 * 4 * 44) il 4 4 * * (inertial impaction)4 4 4 44^*4 44, **4 **4 44^*4 *344l 44 %4^4 (diffusiophoresis, ^4*44 4 ^ *444|5. o>7lS Stephan *§-4 44 44_^# 147} __44 *4), 3.€\ZL * * (leakage)4 1 * 447} 3444 £14. 444 FP4 4 * * 4 4 ^ 4 * 4144 *^7} ^ 4 1 4 4 7r*44 3444 44. * , 44:54*4 444 FP^ 4 * * (overflow)44 lo] o]-§-7} > ^^7} 4-°-4 * 4 € 4 3 7}^44. 14
- 101 -
* 4 * 4**4 ^ * 444 *^7} *444 &-5-3i_ *!a}*4 4^0] 3444 y^-4, *41^44 4***4 44 44*4 4*3 3444 &*4. FP __4 5.*4* 1^*** 445. 4 4*44 **4 ***4 44 345- 4^u}. 444* 4*44 &* Te 4 4414 4***4 *5. s^44 CT 4 cvi- 44 44^4*4 44 415. 4^45^ ^4 S4. __4 i_4**§-^-34__- 4* (cci)4 4* FP4 1* 4 .34__. 44i_#4 4*3 44 3444. 44, 4^44444 134 4 1*4 * 4 *^444 4^ (scmbbing)4 1* *44 44 443 34 7fe 44. ^4S FP±T *^4 14444 *44 144 ^44 *444 FPJ_
*4 l^S * 4 1 * *^/1444 *34*4 4443 4^4 *37} 4*1 4*» 1444.
a AI4*4 4444* ^-m 44 *4
FAERDC(=8.0) x m*
* *444 *4 il 445L* * 444 3! 4 44 4*4 14= 1. 444 44^* 441 1^
• 2§^4Ef l (- constant source) • 4 ^ - 4 4 1 ■ FAERDC x m* = m = 1.05 x m> • * 4 4 4 (= no source) : m = 1.05 x m*
(444, -=444 44^# lBo\ -*=4A<? 4414 lBo4 2. 4414 4444 *4 4 * 4 14S-1 4 * 4 * 1 ^
3.
• 37}4 (= *4^4/4:4**/!43.4*4:) *J*-44 4 4 * 47}4 41444 > 99.99%
• ^44 : 44444 34 • 4 *44 : 4 4 4 145-1 (= combining rule) 4*. * , 4 4 *
4 * *7}4 4 4 * l ^ M * 4 * 4 4 4 * (LAMIPL, LAMSPL, _t^
LAMSPI)* -7-4* 4 4 * 4 7}4 4 * 4 4 4 4 4 * * 444 4 4 4 4 *
*j_44/44^# 441/4444 4*/14444 4 * 444* (=15 7}4) 14
3 (*J5.44) x 3 (44 3 ( *JM4) x 3 (44 4 ) = 97}4
44) x l (4444 *4) = 67}4 44) x 3 (4 ad 4 4 4 *4I4 1 ^
1434 « Si (polydisperse)* J5L431
- 102 -
(similarity principle)* 4 * 4 4 4 4 * 4 * 4. * * 44:5*4 <£4 4<£ (44* 44 4<3)
• * ^ 4 4 / 4 4 * * 4444 44445.# 44*5.4 * ^ * 4 * • 4 1 143-4 (monodisperse)* 7}44 4 * 4 * 4 *
5. 3*4 S i 4 * 4 * 1^ • ^ ^ j * ) / ^ ^ 7]^]O]]A\ 3 3 1 4 o}ul ^ 4 (group)44 * 1
4 4 * 4 *
* 4 * 4 4 * "414 4 4 4 1 4 4 * 1 A I 4 * 4 4 * £ - l " 4 * 1 4 4 * 4 4 5.*aj ^ 4 * * 4 4 14 2/3/4 144i4 4 ^ 4 4 4 4 1 4 3 (3.2.8.7} *fe)# 4 4 - ^ jp£ FP (csi)4 4 * 4 4 4 * 1 4 ^ 44 1 4 4 4 4 4 1 ( *44 4 4 4 4 * 4 ^ 4 ) ^ * 4 4 & 4 . ISAAC 3 3 4 4 * 1 ^ 4 * 4 * 4 4 4 4 4 4 4 4 4 3 1 ^ 4 *£ . l . * 4 4 * * 4*5.34 [22]* ^__44 €4 .
4. 4443444 Hi <£4 7}
Uncover ec Vertical HS
(UV)
Water (W)
Uncovered Vertical HS
(UV)
Covered Horizontal HS (CH)
Uncovered Horizontal HS (UH)
Covered Vertical HS (CH)
3 ^ 3.2.9-1 ISAAC 4 4 3 4 4 * 4 . 4 5 . 4 * 4 FP ol^/A}A}
- 103 -
ISAAC44 3 4 4 * 4454*4 4*1AI4*4 4*44 (transport paths)* <3s] 3.2.9-i>44 4144 4*4 671-4s. -£_444. 444 1 44 S 4 * i_#si **g S4, ^4*4 44 **_ S4, 3*4 *4 s 4, 4 u,4*4 44 *4 ^4-°-^ **S4. 1. l(vaporization)/**(condensation)4 4 4 * 4 4 4 ^ # 44 (1) 2. *l(vaporization)/**(condensation)4 4 4 *4 __*__4 *&?_ (2) 3. 44:5*4 4 4 * ^ 4 S4 (3) 4. 44^*4 3 * *^g__44 44 (4) 5. 44^*4 ^ * * 4 ^ 4 4 ^4 (5) 6. *4(4*)4 44*^44 *4(6)
4 4 4 4 * 4 444441 4*11 4)x FPJ_4 Csi4 4 4 1 * ^ * 4*4 <34 3.2.9-2>4 14.
1.0
0 .8 -
0 .6 -
0 .4 -
0 .2 -
0.0
fuel channel- coriumj broken loop i n t a c t loop CT- /CV- corium
■con't( + CV)- t o t a l con ' t - atm+dep con ' t - atm- vapor con ' t - atm- aerosol J con ' t - dep
80 40
Time [hr] 34 3.2.9-2 14 2/3/4 LL0CA4 4 4 1 4*1A |4* (Csi) *_x
10C
44 444 445.414 44*7} 3144 445.7} * 4 4 * 4^44 4 5% ^37} 44^4*5. __4 ^#44 CA') 4444 C O , 4 10% il 7%7} 4 * 4 44 4454 44 4443 , 444 4 * * (4 78%)*
- 104 -
34***4 S444 14344 *4 C*-cr)^ 4 ^ U } . 4^. CT4 4*47} *1/3144 EJ37} 4*44 (= 4 33443) 34***4 4 4 3 * 1434o} -M C*-CV')J_ 4^u}. 4*47} 3144 i_4* **4 *^7} ^-44 4*44 EJ3 4^444 44444 4 * ^ . H S 4 4^44 FP4 4** 44 1AI44 &^4 (4* 3*5414 34** *4 445-*4 4*4444 4*4 * 445.*4 4*444 *44* 44 FP4 4*4 44 1^44 &* 44 *444), 444 CT44* FP 7} 44 4*44 &*4.
4^ cv4 44* 315. (4 40 443) ^4* * *4 *^7} 44 4*4 4 3 4 * * * - * 3 4 M 4 * (CCI: Corium-Concrete Interaction)4 *J;4 ***44 FP7} *4 4*44 44^4*4 FP7} *7}44 CA') (44 j_4* 4 cv44) 34**** s^4 44 F P ^ <a^^ ('♦')* 1 * 44. *44** 4 1544^3 4*44 4 44*4 44444 44 5.* 44 CD')7} *444 Co')4 _14 4 24 33 4** 1 * 4 4. 3L7\ 4 *4 4*4 44 44445- 4*4 FP* 1^-4444 44
44, ISAAC 3 1 * ^7] (=44) 4414 FP (*14 FP* 44 444414 35. 44)7} S4 (*£* 3 8) *44* *4443 7}^4*41, *s_4 4 * ^4 *44* 144--5*4 4443 445L#* (444) 44 4 44 FP7} ^ 4 * 4 1 * *443* 4 #7l*| 3*14 44 *1 ^ * * * 4 (*44-^) 4*44 3*§ 4414 * 4 l 3 (equilibrium vapor density)* * 4 4 4 4 . 4 4 4 4 4 ^ 4 * 4 4 4 ^ * 4 ISAAC44 3 4 4 * 47}4 4 4 4 4 4 44 ^ 4 4 * * 4 * # (fraction)* <3^ 3.2.9-3> (Log scale) 4 4BJ 3.2.9-4> (Linear scale)44 4 3 4 5-4*4. 44 444, ^44*4* *4^4 C__/D') 444 * 4 * * (>/ | ') 44 7} 4*4 34j_ * i _ 4*4*^1 44 * 4 ^ * 4 * T]4 *^44 44 7} 4414-5-5. 4*%Mr 1 * 44. 1<S*CA/*') 44* 4444 44 1^444 *5. *44 4*44 * 4 * * 4 44 4 i 4 * 33 43 4 4 * * C#/o') 44* 44 4*44 &* 4 -5. 37}444.
- 105 -
0.1 -
0.01 -
1 E - 3 -
1 E-60
T i m e [h r] 3 4 3.2.9-3 4 4 4 4 4 # ! 4 l4^# 4 4 ¥^
100
TIME HOURS
3S] 3.2.9-4 ^§4 4 4 4 * 1 4 4 ^ * 4 4 * 4 * 4 3 (Linear scale)
- 106 -
<34 3.2.9-5>* ISAAC44 3 4 4 * 47}4 4 4 4 4 4 4 4 4 4 ^ 4 * 4 44__#4 4 4 * [kg/sec]* 4344 5.4*4. 44 444, 4 * ^4 4 444 %14 1 4 4 3 *44*4 *5.4* 5544 4 * 4 * 444 T14 1AI44 &** 1 * 44. 44 44**4 3*41* 4 * 444 6044 4 * 4 3 4401 ^-^4*4 o]* 4 4 ^ 4 * 4 *4il4i4 4:44 * :#__.__. 45.^14.
(1 .OE-4) * 10.0
Sedimentation
■
■
■
■
LW-_ ■
;
-
j
-
■
0.0
20 40 60 SO
TIME HOURS
(I.OE-6)"* Thermophoresis 10.0 1—1—1—1—1—1—I—1—1—1—1—1—1—1—1—1—1—1—1—1—1 1—1—r
L ____. 20 40 60 80 100
TIME HOURS
(1.0E-7) " 35.0
Impaction
■
r :
!_____,
■
. IkJv 0 0
20 40 60
TIME HOURS
f l.OE-6)*" Diffusiophoresis 40.0
80 100
■
i i r r
■
1
' f t ! _ ! _ !■
"1
■
j
20 40 60 80 100
TIME HOURS
34 3.2.9-5 44 4 4 4 # ! 4l4^# 44-
4 i 4 ^ 4 * 444 144*4 4*/44445. ^ 14340} -g-444^ 4*1AI4* 4 * * 4*^.34[2i]» %2L*}7] 444.
- 107 -
4131 ISAAC *1^3-B- 2-^7^
1. 4*4 * 1 4 * 3-
7\. 41 41 4 5.1 * 4
ISAAC 4 4 3 3 7)14 4 1 4 1*^4 * * ^ 3 * 4 * 3 1 4 7fll* * 4 4&4. 7i) l3l i_* ISAAC 1.0334 3 4 4 4 y * 1434o} -M (cv, 4 4 ^ 1 ) 4 4 4 * * 1 4 * 4 4 * 4 (3.3.2)4 1 4 3 4 4 * 4 (CT, 4 * 4 4*)4 4 * 4 (**) * 1 4 * 4 434Sd^-4 4 * ISAAC 2.0 3 3 4 s^-4&4. 711131* * * 5 . * 4 4 3 4 4 4 4 4 1 4 4 "CT4 ^ 4 * * 1 " U "cv4 4 4 * * ! " 4441 1-&-4 4 4 s ( 3 4 * 4 4 * CT4 44 4*4 O )=} I-, cv4 4 4 ^ 4 ~r c H •, cv 44< 4 4 44)* 4444 44 5._£3 L (Calculational Aid)i_ 4*U 4^ 44. °144 _ -^* *44 20064 ^44 **5. 444 44 14 43 4:el 444 4*434 A*£ 45.44 414 (4*4)44* 4* 5.45. 14 1,2,3,41741 44 14^ 3 * 434:4 444* 2008444 44 1 A%°-$- ty4.
4^4 ISAAC l.o 3 3 4 * 14340} ^344 *7}3 4*4* * 1 4 * 4*44 14344 *5.4 *7}^ h54*# 5.*4* 4 * * 341 *7} &4. ISAAC334 144** 1444 4* **4 44 (Nodalization Scheme)* 4*44 &3 33 441 334 4 * ^ 1 * 7}*]JL 44 4*4 31 44 44 &* 4 * * *7}4 33414 1-&44 44. 4*44* * 334 *37} 4**4 444 *44 44^-4 4 3* *4*3» 3 4444 o] . 4f-# ^3^ 341 1-M- &4^-4 4344 *444* 4 * 41** * *4 1*4* 444 444-°- 34 4*4 ^j_44 4 * 4 444 ^4^:2} 4451 44* * 1 4 * s i * 7(1434 44. *4 **5. 43444 3 * * *7l 444 4444 7(1^ 4^4 44 s * 3*^44 4*4 44s* 4_£j_ 44 7)1144 "34** 4*3* 4444 44 14^44 *J34 4**11 *1# Si 14- -44 *^41 ^ 4< .61 •"4 44s* ^443 44 4^4 * 4*# 444 4^-44^4 414 4^ 4*1 4^:5 4444.
- 108 -
14344 *44 4**11 *131 4 1 * ^A: £.4 si * 4 * 4*4 1 4. • 14344 * 4 * **5 444 43, 4 ^ 44 <^^ -4. • 444444 1^4* l^ 13 4 4 * *44 4444. • 13447} 4*44 y^-4 4*4 * £ * 4*44 *143, 445. 4 (- 1434o}3j-)-g. 3#€4.
• 1434o}3j-oi ±^?5± f. ^4344 *445. u ,4* (** ^ * 3 * ) * * * 4 * 4 * *4434444 *S-44 44.
• 1414^41* 14344 *44 * * » * *44 ^A: 147} 5d4. * , 444 ****EJ37} 43, 14344 *44 ****EJ344 444 ****4^7} 4^4, 4 4 ^ * 4*44 14344 *44 ^4*# * * 1 * 44.
• ****EJ34 4 * **7} 314&* 4 4J_444 *44 2*]3. * * 4 4 3 * * ****Eofl34 4&4 * * 1 * 44.
14344 *4 *14 4 * 4 * *-£ 4**11 4 * * <3s} 3.3.i-i>4 3 44£4.
4. 71)1 1 34 37}
41 314 *7} * 4444^-4 4344^4* *44&4. 1434 4 4 4**11 * 1 4 * 4**11 * *4^4 *4 4 * * **E|34 *44 4 4 13^4. 14344 * 1 4*4*4 444 34*44 244 * * * ^ *j£l (3811-TK3/TK4)S*4 1 4 4 4 ^ (3811-P1)* ° 1 * * M 3 * I T 3
(=6 .0 _/__.)____. (high tritium * * 7 } ) ^ 4 ^ , 4 4 4 * PHTS * 1 4 4 * 4 * 2 4 4 * * * * E | 3 (3811-TK1/TK2)__.*4 1 4 4 ^_£ (3811-P2) * 4 * 4 4 3 ^ * 3 ( = 6.0 _/__.)____. (low tritium * * 7 } ) *7}S. * 1 oi 7}*44. 3=t_ 244 ^ * 4*-*4 * 4 * ^ 4 4 44*3= ( = 8.0 _/_£)____. *14 7}*44. 444 «s 14 SL* 24 4 * 3*4 3 3*4 4 4 4 * 3 * * *44 4414 44-4 3*4 44 444 **.45d 3, 4^43* 14 2 14^4 43 444 4143* 4 4 * * 4 1 * S44 q-44 ^ 4 * *44£4 (4^*34 44 4344 * 1*4 4
- 109 -
4 1 4 * 4*^.34 [13]* ^s) . 3 * i. 4 * 4 * 1 &* = o.o us. (LO-SO) 3 * 2. ^>__. 14(3811-P1) + 3 * * 3 = 6.0 L/_* (L0-S6) 3 * 3. ^1__. 14(3811-P1) + 4 4 * 3 = 8.0 L/JL (L0-S8) 3 * 4. *»__. 24(3811-P1/P2) + 4 4 * 3 = 16.0 L/3L (L0-S16)
4414, 1434o} 4^4 (rupture disk) 4 ^ 3 * (= 3466__)*4 * *^-*m 144 3**3 «33 3.3.1-2> 4s) 4 4144 (= 804 KJ/ s ) * *14 24 3 * (44 3 * * 4 ^ 3 *1 3*)43 143444 #*4 _j_o|7), 4^-4a] «-i^ 3.3.i-3> 4s) 445.44 £4 * ej_= 444 *44 444&4 «fi 3.3.i-i> 4s). 143444 4*4 * s s * l *34l 44 *34*4 444* * * 44 (03 3.3.i-4> 4 s, 4, 4*4 *14 Si* 3*. 14344 4 44*7} 3 1 ^ 944 4*4 (444) *s44 S 44S4* 4*4 *44*4 4^ 4 404 4 ^44 43* 1 44 &* 1444). 444 * * * * 44/4444 4 444 4334*4 4 * *7}34 44s 44*4 l-S-44 4 44 44 * * * * * 4*4 *4434:4 444 ^47} 5d4* 4 * 1*7}* 4 3l__3. 4444. *4 14340} 4^.4 4^. o]^ 445-4 3*0^
- 1 1 0 -
ro MODERATOR COVER GAS SYSTEM
FflOM MODE BATOfl COVER 0A5 SYSTEM
CALA-NDRIA HEAD TANK
TO DjO 5AMM.W3 SYSTEM
86-32110/63210-DM-OOO P ^ . J - 2 Rev. 2
FROM PURIFICATION, LlOUID POISON AND D-0 COUSCTKW SYSTEMS ft
1U LIQUID POISON SYST EM ■
r 3 M - P V « ' i _ t ) BUILDING
PUMP
SERVICE BUILDING X
TO A NO FROM D?C SUPPLY SYSTEM
- t > ^
HEAT EX CHANG EH HEAT EXCHAMGEfl
HE CIRCULATED COOLING WATER
Figure 1; Main Moderator System Schemalic
7)7} (s) LO-SO L0-S6 I L0-S8 IL0-S16
*}7A
Q^g-W^S-H (ROH) LOCA m$ HPI/MPI/LPI 1-^-
z>^ fl ^ ^ ^ H H l ^^A^- ^sfl 0.0
•71^^71 ^sfl
0.87 3*1,
2.4 SG MSSV <_*?} 20.7 Loop 1 ic_-y A] 3V
3466 CT rupture disc fails 7922 7841 7838 7853 Loop 2 i^43 A] 3V
9041 Loop l ^ S £ t f 9061
142894 N/C Loop 2 W ^ £ t f
CT £-_-
172800 (= 48 *!■?>) ^|-_r ^
S 3.3.1-1 f-£ 4 i 14
PLT(297)
20 30 40
TIWEHCURS
3 ^ J 3 .3 .1 -2 CT4 ^ r ^ - f r ^
50
- 112 -
(1.0E+*)KG 25.0
WWCT
20.0 •
15.0 -
100
5.0 •
10 20 30 40
TIME HOURS
ZL& 3.3.1-3 CT fl H^T*! ^ 1 *!s}
TWCT 500
400
300 -
200 -
100
-B—Laso -a—Lase
10 20 30
Tl WE HOURS
ZL& 3.3.1-4 CTi< 0^*1 - £ 3 «is}
40 50
- 113 -
2. ^s>3e lo} ^ . B 1^4^ ^AAW s . ^
7}. 71)^ ^ S S i ^
7l)tiJ- ^ ^ : __ ^ (3.3.1)*] 7 ] # # ^_£*>7l Hfefn), ^ -e j ^ ^o } g.e_|
U,4^T ^
6„ 3 1 7 | ^ * *!*> JSLi £ ^ H ^ - u } ^ 4 £u}.
• ^ 3 5 l ° } ^ - B ^ | £[__ f i . < ^ ^ W ^ l l ^ 4 7 j # ( e n d shield cooling system. ESC)<H| i>}3r}<*| £ ? t e ] 3 <go| ^ T ^ u } . ESC<H) £ l ^ <g3?5:7l7} 3 ^ M * M 3 6 l o } ^.B v | z } ^ ^ < i # a |7 l t t ^ &7fl 2cM ^ 4 ^ 7 } __S}-^3^1] 3 ^ } ^ ^ S ^ i N I ^ (relief vent piping system)*] 4 ^ ^■o] 4^5 ]n} ( i j ^ * l " 69 kPa(g) (= 10 psig)), J i L ^ - ^ ^ 7 | 7 | . a)l#£)^ ^-efl3elo} ^ e a ] ^ 7 } ^o}^ t : } .
• *M__.e]o} ^ - B ^ 7 } ^ ° } * 1 ^ ^-efl3elo} J__._t} ^1^5)<H £ f e ^ - g - ^ 3 (holdup tank)*] go] H|3^g. J§.«| 2j-*I__.elo} -g -B^ ^ef^§-o] 4 4 . W S ^ ^ 3 e ] o } #_=_l|^| ^ 5 4 ^ 7 } H^-*M # M ^ | ^ 1 7 } # 4 4 4 * = r # ^ - 4 ^ 4 ^ 7 } ^ - g - ^ 3 ^ *e]7}7l| 5 ] ^ jrfu>.
• ^-§^3.4 ^17} 4 ^ ^ o } * ^ ^ ^ ^ ^ g £ ^ . 4 ^ . * H * ^ 4 ^ 3 ^ 1 4 ^ » <^*J=L3. ^ ^ ^ $14.
4sJ35l4 1-M ^ H 4 * 4 ^ r $^E_*WN ^MTllf-* <3^ 3.3.2-l>^l
3 4 4 ^ 4 .
4 . 71) 3 1 <g*0* ^7}
7|1_ 3 1 4 ^ 7 } ^ ^ 4 ^ i ^ „ 4 4 3 4 4 ^ 4 1 - ^ 4 4 & 4 . 4ft-L6l o} !__.ofl 5tl-_r #£■ ^ ^ - . 4 4 4 4 ^ 1 vJ47ilf- (end shield cooling system, ESCH) 4 * M £ : S 4 3 <fio| J ^ T ] ^ } . ESC<H) £ [ ^ <i3®7l7} 3 4 4 4 i ^ 3 5 l o } £ H 4 4 ^ 4 <i# ^ l 7 i ^ ^ &7fl 4<*1 4 4 ^ 7 } SS} ^ £ i 3 ^ } ^ 4 6J"4# t i l l4 : (relief vent piping system)4 4£^_°1 4 ^ * H (ij;g*j - 6 9 k P a ( g ) - io psig), J__6jel*l__ ^y\y\ H|#SM ^ 3^1 o} g-__.it] ^ 4 (^4^4=115.17m±0.15m)7} v£o].*li;h __^35l°} g-
__ ^ 4 7 } 4 4 4 4 ^____el°} !•__.£} 4 ^ 4 °1 4 ^ ^ - g - E | 3 (holdup tank, ^<Hr4=H4.33m, -§-4^r nj-f 4-§-)4 I"01 #^° f l 4*11 BH4:# f-
- 114 -
*K 44351°} f E ^ I M - H ^ K ti>ci|__ *_ ____4<>i- __Mi l)4 44^7} s, 4 4 4 # ^ 4 -HI 7} # 4 4 it|of^ #__*] ^ 4 ^ 7 } - f ^ j i i s . *e]7}
4 4 ^ 4 4 . ^-8-^,34 ^47} 4^- 4 4 4 4 £ 4 4 ^ £ ^ * ^ l s _ _ 4-8-4^ *-M#»Ji*HM £ ^ # ^-8-^35. ^ 4 ^ 4 4 . ^ W , * ^ ^ | H _ r -8-4°! 3.71 4 ^ 4 ( 3 4 4 * | £ ^ 4-S-) ^F-4414 ^ 4 ^ ^ 1- ^ $I-M, 4 4 4 443^1 o} g__i1 44*1) ^
6„4^r ^-8-43.^4 *
4 4 4 4 , 4 4 3 e ] o } -__. jfr£*> (rupture disk) 4__- 3 ) ^ (_ 36121 __.) 4 ^ 3 5 ] O} £__ ^_0|7] , ^ A ^ O J ^ U . B ] 6]= !„ oUj- o } * ^ ^ ^ . B ^ ^ H .
4 4^- . H ^ - g ^ s . 4 4 ^ (^3=26°c)7} __^4°13 s}__nl3___- # 4 4#-§-j__4 4 4 4 4 ^ 4 7 } 4 4 4 ^ (a
BJ 3.3.2-2> §__.) ^ 3 4 * 3
4 4 ^ 4 . 4 4 4 4_I__44 4|__ 4^^> £^j- o]^. 4*___.e]<>l- 4^ . 0]^ (44^ 444 444 4£^4^4 4 im °1444H 44^ ^ - l 7} ^ 4 4 4^361 °}4 _ ^ 1 ^ 1 ^ _« cla] (<n^ 3.3.2-3> *__£) #^H4 3 4;eH €■ 4 # 4 # 4 - - ^ 7]t:l)44.
- 115 -
c f £ N To JirMCKJ'HEftE
l
u lis W co to
i i — '
ft
it o&
4 _i 4fTt
c.'ERri.o^
PV40 J-fi
V43
Figure 1 Shield Cooling System Schematic
40 60 80
TIME HOURS
3s] 3.3.2-2 ^ 4 ^ r 4 # _ r 4 -MM" til^-
100
20 40 60
TIME HOURS
3 4 3.3.2-3 ^ 4 ^ -£-§- 44^H1 44 -
100
- 117 -
3. 4 ^ ^-71447] 3 4
7}. 7]^- 3 4 ^ 4 4 ^D
i 7)14
4*11 3 3 4 4 ^ 4 7 1 ^ 4 7 ] ^ -¥- ^ 4 4 4 4 4 ^ aM 4 ^ ^ ^ 4 4 4 4 ^ 4 ^ 4 4 4 4 ^ 1 - ^ 4 4 3 4 4 ^ 4 *AA7} 4 4 . 4 4 4 4 <3 ^-71447] 4 4 4 ^ - » f^7}44 4-^.7} 4 4 3 4 4 4 ^ 4 4 4 ^ *r J[- 4 4 4 fan cooler , 4 4 4 chiller, 3 5 ] 3 10^-4 air coolers __. 3 -¥■ 125-4 4 ^ 47] ^ 4 4 # 4 4 4 ^ 4 3 ^ - 3 3 1 - 7)144: ^ 3 <^4 _r ^ 7 } 4 & 4 . 4 3 4 4 ^ ^ 7 ] 4 4 7 ] 4 4 ^ 4 ^ 4 4 ^ . 347] 4 (R107)£ 4n))# 3cfl o]4 71^-, 4 4 5 . 34714 (R108) r 4tj |^ 3cfl °14 7 ] ^ , J_.4^14 (R601)£ 84# 6tj) O]AJ- 7 ] ^ - _ _ ^ 167))# 1271)7} 7r-g-*M 4 4 4 . 3 5 ] 3 ^ 4 ^ 4714441 - -r- 541 4 4 4 4- f ^ 4 4 ^ . 3 ^ 44(R107H) 6t)|, JsL4^4 (R601H) 6pH ^ 4 4 4 - f 4 4 W^l -_t*l*_ 4 - f ^ 4 4 s . 3 ^ 4 4 (R107H 3tfl, ^ 4 5 - 3 ^ 4 4 (R108H) 3iJ, 3 e]3 _ _ 4 ^ 4 (R60D4 6cH 4 4 4 ^-£-4 ^1) £ 4 4 4 4 .
4 . 71)44 3<i <S4 ^7}
3 4 4 3 4 ^7]4^7] 4 ^ 4 4 4 3 (LOFW)4 4 4 4 3 4 *m 44*11 4 4 4 3 (LLOCA) 4 nfl i) LAC4 4 4 44^1 4TT ^ 4 £ 4 # ISAAC 2.0 PC Version,!- <>1**H 4^2,3,4^7]4 cJ-J ^ S } * 1 4 . H]^ 3 4 ^ 4 4 1 - (ECCS)4 44*11 4 4 * M 447f f - ° l 3 4 4 4 4 4 ^ 4 4 4 3 ; § 4
0M , 4 ^ 41-4 4 4 ^ . 4 1 - 4 ^ 4 1 - ^ 7}-8- 4 4 3 3 ^ £ 4 4 3
4 fl fl 7}44^14[22].
7}.4 4 # 4 ells 4 3 4 4^^-7144714 4 ^ 4 ^ 44^ .34714 (R107) r 4n))# 3cfl °14 71^-, ^4^.3?!:7l4 (R108)£ 4n))# 3cfl °14 4 * . ^ 4 ^ ) 4 (R601) r 84# 6cfl o]4 7l^-A^ 167))# 1271)7} 7r-g-*M 4 4 4 . 3e)___£ * ) < ^ 7 l ^ 4 7 l # ¥■ ^-_| ^ 4 4 4- f ^ ^ 4 ^ . 3 ^ 4 4(R107W) 6nfl, ^ . 4 ^ 4 (R601H 6cfl 4 4 4 4 ^ - 4 4 ^ 4 4 4 4 3 -f ^- 44^ .34714 (R107W) 3cfl, 4 4 5 . 3?!;7l4 (R108H 3n)), 3e) 3 _ 1 4 ^ 4 (R601H) 6tj) 4 4 4 4-f^l ^«I £ 4 4 & 4 .
- 118 -
4 4 4 ISAAC < a ^ 43^4[23]oil 4^-4 # 4 4 3 44<H)4 4 3 4*3 _r £ 4 4 4 4 * H 4 3 4 4 ^ 7 2 4 4 4 4 7il44$i4.
(1) 3 4 4 3 4 4 ^ s.«i ^4= ^7}
3 4 4 3 4 #714471 ^ 4 4 4 3 (LOFW)±f # ^ #^-ol ^ 5 l £ 4 4 4 4 ^ A } 3 3 44711 - 14 44T11^L__4 4 4 4 ^ 4 # ^ <fi4# *fl 4 4 4 **H °1*HT4 4 ^ #7}5. #7)4^7)4 44H--L7} 4 ^ H (4 3 __), __4 4471)^-3 o i^ l#_ i i _4 -¥-^-4 4 *114 - 4^°1 #7 }4^ Degasser Condenser TankS. 4 4 4 4 4 ^ Liquid Relief Valve7} 4^1 (4 6^)A^ 4 4 # 4 4 4 4 . 44-711^-4 34^ -S . 4_*r*_? ^ 4 ° f ( 4 19J_), # ^ M 1 °14 #7144715.4 _13_ » _ _ . 4 4 4 4 # 4 ^ ^ 4 ^ 3 4 S 4 ( 4 2,641_i).
s 3.3.3-1^- #7)^ -^4 fe^ 4 4 4 3 ^ J _ 4 4 4 4 (PC T | ) 4 4 4 ) # 4 B}\1 4-5-^ -T- 5-*W LAC# ^ 4 4 4 - f 4 4 5 4 °1) LAC# 4 4 4 4-f
^ j _ 4 4 4 4 4 4 ^ - §■ 447} 4 4 & 4 4 .
LOFW4 45.3*114 1074 108 3 6 ) 3 __44 4<H144 LACS. 4*1) -8-44 ^ # 7 ) 4 4 *fl7i4^ 4 4 # y l 3 ^ 4 3 ^ 4 [ 2 2 ] 4 1SJ 5,6,7,84 ^ 4 4 £>3 3s] 3.3.3-14 3.3.3-24 4-8"444.
3 ^ 3.3.3-KH) 4B}U}^-O1 °-^S± +^.7]^°. <£%_ ^jg 1074 108^ y\ 4 4^-4 _i*_e| 4 4 4 ^ 4 5 . 3*1)44 4*11 3«H ^ 3 4-§-# _£44. ^ 4 ~_^H LAC ^ 4 4 ^ 4 7 } 4 4 4 4 * 4 ^ 4Sd4.
3 ^ 3.3.3-2^ 4 5 . 3*1)4 1074 -£<_i4 4 -T- 5 4 4 LAC# 4 4 4 ^-r-
S- J_-<>l-_r_| <a__. 3*114 108^ LAC <M4# 4 154 4^-^) ^ 4 7 } 4 4 4 4^-4 ^ . s 3*1)4 1074 -£<_i4 4 4 4 4 LAC__. 4*11 -8-44 ^ # 4 4 ° ) ^ 4 4 4 # 4 ^ 4 4 4 .
- 119 -
(2) 4 4 4 3 o f l 4 4 5.4 <£4 47}
4 4 4 3 4 c|^ 44*11 4 4 4 3 (LLOCAfe 4 4 5 . # 5 3 4 reactor outlet header 3 (ROH 3H14 4)*J 4 4 ( 4 4 4 4 0.2594 m2)4 4 4 4 4 3 4 . #7144715.4 5 5 5 ^llf^ 4 4 5 . 4 4 4 4 4 4 7}#44 , 3 4 *<**=• J _ - _ _ # < M ^ S ] 3 4 5 7}444 4 4 4 # 7 1 4 4 4 5 . 4 5 ^ ^ 4 5 4 4 4 4 5 4 . 4 4 ^ M ^ 4 4 5 FSAR44 4 4 S 4 4 1 - 4 5 4 & 3 o.87_MI 5 5 4 4 4 3 1 4 4 4 .
14 A^<AM * H 4 5 4 4 4 3 4 ^ 5 4 4 ^ 4 4 4 TJI^-5 4 4 4 5 4 4 4 4*11 # 4 4 ^ 4 4 4 4 ^ - 1 (MSSV)» 4 4 24 4 5 5 5 4 4 4 4 4 (crash cooldown)443l 4 4 4 4 4 4 . 4 # 3 4 4 4 4 4 4 LOCA 4 ^ 7 } ^ 5 4 3 30J_ 5°11 MSSV7} <ae)3, T])5 4 4 4*)l# 5 4 4 ^ 1 " 4 4 4 . -£4 LOCA 4^17} 4 4 4 4 T}*0]3. 4 4 4 4 4 5 5 7)14 ^14 * 5 7}44 4 4 H-* ! 45^ -5 . 4 5 . 4 4 4 3 1 - 4 4 4 . 4 4 3 4 4 5 , LOCA 4315 14 7))f-4 4 ^ 4 5.56 MPa 4 4 3 4___4^ 3.3_£<H) «J-^ } n } , 7}47l 4 4 ^ M . ^ 4 23^4 4 4 3 , 4 33^<H) MSSV^ 7H4S4.
__. 3.3.3-25 t)l*J 4 4 4 3 5-£- 4 4 4 4 (PC T ) 1 4 4 4 ) # 4 4 ^ 4-5-3- 5 54°rl LAC# - a 4 4 4 5 4 4 53WI LAC# ^ 4 4 4 5 #-&- 4 4 1H 4 4 5 5 4 4 4 4 4 4 4 4 .
LLOCA4 45.3*114 1074 108 3 4 3 _£<U4 4 4 4 4 LAG* 4*11 5 4 4 5 5 4 4 4 4 1 4 4 5 4 4 5 4 3 5 4 3 5 4 [ 2 2 ] 4 i s J 1,2,344 4 4 4 £>3 3s] 3.3.3-34 3.3.3-44 4 5 4 & 4 .
3^J 3.3.3-34 4 4 4 ^ - 4 5 4 4 5 5 4 4 5 4 5 . 3*1)4 1074 1085 4 4 4^-4 _£<U4 4 4 4 5 "A^ 3*1144 4*11 3«H 4 3 4 5 5 ^ 4 4 . 5 4 5 4 4 LAC 4 4 4 ^47} 4 4 4 4 5 4 5 4 4 4 .
3 4 3.3.3-45 <A^- 3*114 1074 ^-44 4 5 5 4 4 LAC! 4 4 4 4 5 1 i-.453l 4 5 . 3*114 1085 LAC <M4# 4 154 rc)|5<Hl 4 7 } 4 4 4 4^-4 ^ . s 3*114 1074 -^44 4 4 4 4 LAC__. 4*11 5 4 4 5 5 4 4°1 ^ 4 4 4 5 4 5 4 4 4 .
- 120 -
4 . 711431 4 4 47} 4 4
3 4 4 3 4 5 4 4 ^ 4 ^ - 5 4 4 4 3 (LOFW)4 4 4 4 3 4 4)4 44*11 4 4 4 3 (LLOCA)4 rjjsj) LAC4 4 4 4 4 i 4 rx} - 44^ «-_)! ISAAC PC version! 4 5 4 4 4 4 2 , 3 , 4 ^ 4 4 rfl^ 5 4 4 4 4 . 4 4 3 4 447115 (ECCS)4 45*11 4 4 )1*11 ^ 4 T ) 1 5 4 3 4 4 4 4 4 - £ 5 4 4 4 3 4 4 o\x^, 2 ) i 7)154 4 4 5 . 4 5 4 5 7 ) 1 5 5 7}5 4 4 3 3 5 £ 4 4 3 4 _j *11 7 } 4 4 4 4 . £ 4 4 4 # £ . 4 3 4 4 5 4 5 4 5 4 5 4 4 3 7))44 S £ T T 4 3 4 4 4 4 4 4 4 4 ^ 5 4 4 4 4 4 4 4 ^ #7M) 4 5 4 ^ 5 4 ^ 4 4 J L 4 » 4 4 4 H 4 4 5 4 5 4Sd4.
- 121 -
__ 3.3.3-1 #4444 55 44 43 #£. 4444 (PC 4444)
5A4^4%
LOFW (MFW + AFW) Initiates
ECCS Off, SG MSIV Closure
Moderator, Shield Cooling Off
Local Air Cooler Forced Off
SG MSSV First Open
LRV First Open
Reactor Scram SG Dry out (Loopi &2, Broken & Unbroken Loop) Core Uncover Starts in Loop 1 & 2 Dousing Tank Water Depleted for Containment Spray Core Empty in Loop 1 & 2
Calandria Rupture Discs Fail Loop 1 Fuel Channel Rupture due to Creep Pressurizer Isolated Loop 2 Fuel Channel Rupture due to Creep Moderator Dryout
Calandria Failure Containment Failure Calculation Ends
Spray On LAC Off
Sec (Hour) 0
0
0
0
2.8
6.1
18.8
2641 (0.7)
4434 (1.2)
5083 (1.4)
5414 (1.5)
6681 (1.8)
10546 (2.9)
10581 (2.9)
10546 (2.9)
34339 (9.5)
138218 (38.4) 138443 (38.5) 259200 (72)
Spray On LAC On ( 2 )
Sec (Hour)
2.8
6.1
18.8
2646 (0.7)
4444 (1.2)
9153 (2.5)
5426 (1.5)
6695 (1.8)
9521 (2.6)
9556 (2.7)
9521 (2.6)
30807 (8.6)
130219 (36.2) No
259200 (72)
Spray On LAC On ( 3 )
Sec (Hour) 0
0
0
0
2.8
6.1
18.8
2648 (0.7)
4446 (1.2)
8948 (2.5)
5432 (1.5)
6705 (1.9)
9306 (2.6)
9341 (2.6)
9306 (2.6)
30707 (8.5)
129502 (36.0) No
259200 (72)
- 122 -
s 3.3.3-2 444i nl)4 4 4 4 3 5-&- 4 4 4 4 (PC 4 4 4 4 )
5-3-4*3 4-%
Large LOCA Initiates
ECCS Off, SG MSIV Closure
Moderator, Shield Cooling Off
Local Air Cooler Forced Off
Reactor Scram Main/Auxiliary Feedwater Forced Off LOCA Signal Received
Pressurizer Isolated SG MSSV Manually Open for Crash Cooldown Primary System Pump Off
Calandria Rupture Discs Fail
Loop 2 SG Dryout Dousing Tank Water Depleted for Containment Spray Loop 2 Liquid Relief Valve Open Loop 1 Fuel Channel Rupture due to Creep Loop 2 Fuel Channel Rupture due to Creep Moderator Dryout. Loop 1 Unbroken / Broken SG Dryout. Calandria Failure
Containment Failure
Calculation Ends
Spray On LAC Off
Sec (Hour) 0
0
0
0
0.87
0.87
3.4
23.4
33.4
134
3235 (0.90)
3327 (0.92)
5311 (1.5)
6465 (1.8)
6580 (1.8)
9061 (2.5)
27667 (7.7) 95206 (26.4) 100840 (28.0) 129820 (36.1)
130110 (36.1)
259200 (72)
Spray On LAC On
( 2 ) Sec (Hour)
0
0
0
0
0.87
0.87
3.4
23.7
33.4
134
3245 (0.90)
3329 (0.92)
6958 (1.9)
6502 (1.8)
7481 (2.1)
9098 (2.5)
27136 (7.5) 114855 (31.9) 123813 (34.4) 122593 (34.0)
No
259200 (72)
Spray On LAC On
( 3 ) Sec (Hour)
0
0
0
0
0.87
0.87
3.4
23.6
33.4
134
3247 (0.90)
3337 (0.93)
6844 (1.9)
6490 (1.8)
6788 (1.9)
9130 (2.5)
27421 (7.6) 118038 (32.8) 124694 (34.6) 122859 (34.1)
No
259200 (72)
- 123 -
3 -
1 -A- -,-L
TIME HOURS
s} 3.3.3-1 LOFW4 7))43<i444 4 4 2,3,4^4 4^.3^114 1074 108 3 4 3 JiL44 4 4 4 -A'cj_ 4*)l 5 5 € 5 5 4 4
4 3 (kg/sec)
TIME HOURS
^ 3.3.3-2 L0FW4 4 5 3 ^ 1 4 4 ".14 2,3,4^7) 4^- 3*114 1074 108 3 4 3 JiL44 4 4 4 LACJ_ 4*11 5 ^ 1 -
4 3 (kg/sec) (25^1 ^ 4 ) •44
- 124 -
3SJ 3.3.3-3 LL0CA4 71)434444 4 4 2,3,4J_4 4^-3*114 1074 108 3 4 3 i_44 4<H)4 LACI_. 4*11 5 5 4
• 4 4 4 3 (kg/sec)
20 30 TIME HOURS
3S] 3.3.3-4 LL0CA4 4 5 3 ^ 4 4 4 4 4 2,3,4^71 <&3L 3*114 1074 108 3 4 3 i 4 4 4<H14 LAC_ 4*11 5 5 S -
4 3 (kg/sec) (25^1 ^ 4 ) •44
- 125 -
4. 4434°} 444 44434
5^4371- 4 4 4 4 44^ - (^3-$ 4 4 3 4 4 4 *D4) 4 5 4 ^-%-^ o] ^_i|^5l4 4 5 5 4 4 ^ 444144 4 4 4 7)145 4)5 5-S.44. 44) ISAACOI)A^ ^ 4 5 4 <x!A <_;54) 5 4 4 3*15 4 5 4 4 4 ^ 4 ^4541 4 4 4 5 ^5415 5 £ 4 <a444) 4*11 44^ - 4 5 4 4 4 4 4 $fe4. 3 4 4 4 5^4144 <S44 5 4 4 5 4 4 # £ 5 4 4 4 4 4)4) 4 3 4 4 4541 4 4 3 4 O ) . ^ ^ . B ) *14!__44 5^-4 4 4 5 ^ 5 ^*} 441^4 4 4 4 5 41444 4 4 5 4 4 3 < i 4 5 # 3<y444. 3 ^ 3.3.4-i^r 4 5 4 4 4 5 * ^ 6 „ 4 4 € 4 2__4 444144 *J-*_3444 4 4 4 5 4 4 4 4 4 4 T ) 1 4 : I 4 4 4 i_45 ;S4 5 5 4 4 2M3.44 4 4__.i_. 41414 4 5 4^4144 441 <_155 o. l MW/_2 4 0.2 MW/_2I_ 4 4M54) 4 4 4 ^5^15 ^ 3 . 4 4 7 1 - 4 5 4 4 4 5 4 4 ^5415 4 4 4 44541 4 4 4 5 4 4 5 4 4 4 4 4 4 5 5 ^ 4 5 4 . 344) 4 4 4 ____. 1.0 m/ m2 4 3 4 <B5 4145 7 ^ 4 4 4541 1.4444145 4 ^ ^TJA ^* | 44^7} 44 -^5 4 4 4 5 4 5 5 4^-^ ^54541 %5 « 5 4 4 .
(1 U t +b) W 17 5
T IME H O U R S
3 4 3.3.4-1. CT 4 4 4 4 4 3]4<84# 0.1 1/rn
4 0.2 MW/_23 414M5 4541 4 4 4441 4 4 H 4 4 4
- 126 -
5. 4^ .5 4 4 (sagging) 3 4
7\. 4 5 3<i ^ 4 4 3 4 7i)4
ISAAC4I45 5 ^ 45 .44 4 4 4 4 4 4^: 4 4 4 4 5 . 4 4 ^ 5 4 4 4 4 4 5 4 ^ 4 4 4 4 4 4 4 3 4 5 4 ^ 4 4 4 H ^ , 4 4 4 4 4 4 ^ 4 5 5 3 4 4 5 (FSAGKT)J_. 4 4 4 4 4 5 S 4 4 5 4 _ - 4 3 5 3 4 4 ^ 4 . 3 4 4 ISAAC ^ 4 4 4_14 0.144 0.3444 FSAGKT 4 : 4 4 5 4 5 4 5 . 4 5 5 ^ 4 ^ 4 4 ^ 544^-4:4 5 4 4 4 * M 3 4 4 5 4 4 4 ^ - ^ ^ 4^)5)44. 0.5 4 4 4 ^ 4 4 ^ 4%4 <S44^ 544^-4:4 4 4 4 4 -rr4^4. 4 4 4 4 , FSAGKT 3<1 4 5 4 &41 4 4 434*14 5 4 4 1- $_*AA 4 4 4^ .5 4 4 4 ^ 4 4 4 4 4 £.4 4 3 5 4 4 4 .
4 4 FSAGKT^ 4 4 3 4 °}44 x\^ 3L^O] n>^-5]4 3 5 4 ^ 5 4 ^ 4 ^ 4 4 4 4 5 444-5-^ FSAGKT 4 5 4 5 4_M 4-5.5. 4 3 4 * 1 5 3 4 4 5 4 4 5 4 3 4 4 . 3 4 4 4 4 4 4 4 4 5 , 5 ^ 4 5 . 4 4 4 4 4 4 4 4 4 5 3 4 4 4 4 5 4 ^ 4 - ^ 4 4 4 4 4 5 44&->-4 444->-5 2i4!__4444 4 5 4 4 4 4 4 4 4 4 4 4 4 ^ 4 4 % 4^-5 4 5 4 4 . 4Hi)4 4 4 4 5 5 5 FSAGKT 4 4 3 TSAGKT7)- 4 5 4 , 4 4 5 4 4 4 4 4 3 4 4 ^i44l 4-54 TSAGKT7)- 5 5 5 5 4 4 4 % 4 4 4 4 4 4 4 4 4 4 5 ^ ^ 4 4 5 4 5 4 4 5 -£444 , 4 4 3 4 4 5 4 4 5 5 4 4 4 4 4 3 4 4 ^ 4 4 5 5 447} &54 £ 3 4 4 4 [24], 4 4 4 4 4 4 5 4 4 4^-5 4 5 4 5 FSAGKT* 4 4 4 5 4 5 3 4 5 444Sd 4 .
- 127 -
4 £34445 5^45.44 444 4444 6J^-^5 444 FSAGKT* 4544 3 54 45454 <fi44 445 4^445 44, 444 44 54 44 444 44 ^5 445 444 547}35 44 4344 4% 5 3 4 4 & 4 . 4 * 4 4 4 5 5 3*i 4 5 4 TSAGCH4 FSAGMIN5 3 6 J 4 4 4 4 4 4 4 4 5 4 FSAG* 4 5 4 ^ ^sifrHisM-:
FSAG=MAX ( FSAGKT*(1.-(TIM-TIMESG)/TSAGCH), FSAGMIN )
4714 TSAGCH^ 4 4 4 4 4 4 5 (_£)5 4 4 4 %-°A: FSAGKT7} 4__4 4 , FSAGMIN5 FSAGKT4 4__ift# 4 4 4 4 , TIM4 TiMES&b 3 3 4 4 4 4 34*J 4 4 4 5 ^ 4 5 . 4 4 447I 4 4 4 5 4 4 5 4 4 4 4 . 4 5 , TSAGCH4 FSAGMIN* 4 4 600.04 0.053 ^ 4 4 4 , 4 4 4 4 4 4 5 4 4 5 4 600^ (10^:) 5 4 FSAGKT7} 1.044 0.0__5. 4 _ * I 4 4 , FSAGKT$;4 o.05£_4 4 4 4 4 3 4 5 ^ 0.055 3 4 4 4 4 5 4 4 5 4 4 4 4 . 4 5 4 4 5 4 4 4 FSAGKT^ 3 4 5 4 5 4 & 3 , 4 4 4 4 & 5 I .0J_.5 5 4 4 4 4 .
4. 3 4 4 3 4 4 4 s.<a ^ 4 47}
5^sl 3^4 <_ 7)-* 44 4 4445 34435 4445 55 4 4 4 3 (LOFW)5 £ 4 4 3 , 4 5 ^ 4 4 5 4 4 4 3 5 4 4 ^ - 5 3*l*}Si 4 . 71^4 3 4 4 4471 4 4 4 4 4 4 5 FSAG &°] FSAGKT 4 A 5 4 5 4 5 ^"A, TSAGCH* 4 5 4 4 4 4 4 4*J4 4 4 FSAG 4 4 4 4 4 4 4 4 ^uf. ixi-el-4 7}4 4 5 4 4 4 * 3 4 4 3 5 30^54 4 4 4 4 3 , ^ 4 5 3600_&5 1 4 4 4 4 4 FSAG a°l 4 4 ^ 5 3 4 4 ^ 4 . 4 ^ 4 FSAGMIN5 0.055 3 4 4 4 4 4 4 & 4 .
*hH__4444 4 4 4 4 4 4 4 4 5 4 4 4 4 5 4 4 5 4 447} 3 4 4 5 ^ 4 4 4 4 4 . 5 5 4 4 4 3 (LOFW)444 FSAGKT4 4^ - 541 ^ 4 4 5 45-£34[24]4 3.^ 4.1-3354 4.1-364 ^ 4 4 ^ 3 3 ^ 3.3.5-1 4 3.3.5-24 4 5 4 & 4 . 4 4 4 MH2CRT(I)4 MH2CRT(2)5 4 4 5 14 2 444 54454 (444, 444, 44H444:)44 ^445 5^4
- 128 -
%-^-ir 4 4 4 4 ^ 1 4 . 3^144 £ 5 4 FSAGKT4 ZM 4 4 4 3 ^-s. 4 4 4 7 2 4 4 4 4 4 4 4 5 14 2 4 4 4 5 5 ^ ^ 4 4 5 160kg (FSAGKT=0.1)44 & 4 5 530kg (FSAGKT=0.5)444 £ S * £-44. 0.5 £ 4 5^r 7$^ 7 2 4 4 4 4 4 4 4 4 4 5 ^ ^ 4 4 * £ - 4 5 3 4 4 . 4 4 4^J;_5.5 4 5 4 5 FSAGKT # 5 0.15, 4 3 4 4 5 5 4 4 4 4 4 4 4 5 4 5 4 5 4 3 4 4 . 3 ^ 3.3.5-34 3.3.5-4^ LOFW44 4 4 4 5 4 4 4 3 4 4 FSAGKT (0 .1 , 0.3, 0 . 5 ) 4 4 5 5 3 4 (TSAGCH=30^, 3600 ^ ) 5 4 5 4 ^ 5 * 4 5 4 3 4 & 4 . 4 4 4 4 * 1 4 4 5 30__4 144-5. 5 3 4 4 ^ 4 5 5 4 4 * £-44 $±-5-4, FSAGKT=O.I4 ^ 4 4 4 4 4 4 ^ 4 5 4 4 4 4 4 .
3 4 4 4 4 4 5 , 5 Holding Bin__5. 4 4 4 4 7 I 4 4 4 4 5 # ^ 4 4 (MCR)5 3s} 3.3.5-54 3.3.5-64, 3 4 3 4 4 3 4 ° } 5 4 5 . 4 4 4 4 4 5 5 4 4 4 (MCMTCT)* 3S] 3.3.5-74 4 4 3 4 4 & 4 . FSAGKT4 4 5 0.55 3 ^ 4 4 4 5 4 ^ 5 4 4 5 4 4 3 4 0 } 5 4 5 4 5 5 4 4 4 4 4 5 4 4 & 4 3 , 0.34 73+^ <_> 14054 3,7] 4 5 4 9654 4 4 4 ^ 5 £ 4 5 4 . 0.14 7$*-±: 1285 4 3 4 4 4 4 & 5 4 1 , 4 5 5 3 4 5 4 5 4 4 4 4 4 4 4 5 30_*4 144-5-5 3 4 4 ^ 5 4 4 128544 1325-5. 5 , 0.15 4 5 4 ^ 5 4 4 4 4 ^ 4 * £ 4 5 4 . 3_4 ^ 3 4 4 5 4 4 £ 4 4 s FSAGKT 4 * 0.55 4 5 4 4 5 4 *14!-_44 547} 4 4 4 n}, -u}n]*i ^ 5 ^ 4 5 4 ^ 4 4 0 4 4 4 4 4244-5.5 4 5 4 ^ 4 * 4 5 4 3 4 4 .
%-^A: ^ 5 4 4 4 4 4 4 5 4 5 4 "A^^ 4 3 4 4 3 ^ 3.3.5-84 4 4 4 4 4 . 3 4 4 FSAGKT* 4 5 4 ^^-^ 4 4 5 4 * 4 5 5 4 4 4 4 4 ^ 4 ^ , 4 4 5 4 * 4 5 4 520 kPa (a) 44-5-5 5 7 } 4 4 3 4 4 4 $±s. ^ s . 4 4 4 4 . 4 4 4 4 4 5 4 5 4 5 4 4 4 4 4 4 4 4 4 4 5 5 3 4 4 4 , FSAGKT7} 0.54 ^ 5 4 5 4 4 5 4 4 6 4 4 4 4 , 0.14 0.34 ^g5 ^ _> 4 0 4 4 4 4 4 2 4 4 4 4 , 5 4 4 3*144 30__4 1 4 4 5 4 5 4 4 4 4 4 3 4 5 4 4 4 4 4 4 5 ^ * 4 5 4 4 . FSAGKT7} 0.14 0.34 ^ ^ 4 4 3 4 4 547} 4 5 % 4 4 4 5 4 * 4 4 4 4 4 4 4 5 4 4 4 4 5 4 * 4 5 4 4 4 3 4 4 4 4 , 0.54 7$°-^ 2j-efl__.44__ 4 5 5 ^ 4 4 4 4 ^ 1 4 4 4 *M-=-44 -g-47} 4 4 4 4 4 5 4 4 5 ^ 5 4 ^ ^ 5
- 129 -
44 4 4444 454.
4. 4443444 s.«i 44 ^7}
4 4 4 3 5 5 4 4 5 5-7- 4 4 (R0H)444 4 4 4 4 4 4 4 4 4*J LOCA 5 £ 4 4 4 4 . 4*J LOCA444 FSAGKT4 4 4 4 5 5 ^ ^ 4 4 5 3 4 4 3 4 LOFW4 5 4 4 4 5 5 £ 4 4 , 4 3 ^ 4 4 4 7 2 4 4 4 4 4 5 54i ^ 4 4 5 4 4 5 150kg (FSAGKT=O. 1)44 S±45 510kg (FSAGKT=O.5) 4 4 4 £ s * £-44. 3s} 3.3.5-94 3.3.5-1045 4 4 LOCA44 4 4 4 5 4 4 4 3 4 4 FSAGKT (0.1, 0.3, 0 . 5 ) 4 4 5 5 S.^1 (TSAGCH=30 , 3600^)5 4 5 4 5 5 4 5 4 3 4 & 4 . LOFW 4 3 ^ 4 ^ 4 4 447} 4 5 , FSAGKT4 4 4 4 5 ^ 4 4 * £ .444 , 4 5 5 3 4 4 4 4 4 4 4 4*1444 *W 4 4 5 444-5-5 4-^-4, 4 5 5 3 4 4 4 5 FSAGKT=O. 14 ^ 4 4 5 4 4 4 4 .
*i4!__44 5 4 5 4 4 4 4 4 5 5 ^ 4 4 5 i s J 3.3.5-114 3 4 4 4 3 , LOFW4 4 4 4 4 4 4 5 5 4 4 4 . 4 4 3 4 ° } 5 4 4 5 4 4 ^ FSAGKT $ * 0.55 4 5 4 7$^*} 4 t i !344 547} 4 4 4 4 , 4 4 4 ^ ^ 4 5 4 4 4 4044 4 ^-s. 4 4 ^ 4 4 ^47} 3 5 4 5 4 4 4 5 4 5 4 3 4 4 . 4 4 5 4 5 4 4 ^ * 3*A 3.3.5-124 ^44^14 . 3 4 4 FSAGKT* 4 5 4 T^^-^ LOFW ^ 5 4 ^ 4 4 5 4 5 4 5 5 4 4 4 4 4 ^ 4 5 , 4 4 5 4 * 4 5 4^4144 4 4 4 4 4 5 * 3 4 4 4 , FSAGKT7} 0.54 ^ 5 4 5 4 4 5 4 424444, 0.14 0.34 T$°-±- 4044 5 5 4 3 , 5 ^ 3 4 4 4 1 4 4 5 4 5 4 S 4 5 4 384444 4 5 ^ * 4 5
4. 7))434 44 ^7} ^4
3 4 4 3 4 4 4 4 3 4 4 FSAGKT4 & (0.1, 0.3, 3 4 3 0.5)4 4 5 4 4£} ^ 4 4 4 3 4 4 4-E- ^ 4 5 4 3 , 4 £ 4 & 4 . 71^4 FSAGKT4 0.3 4 4 4 4^r 5 4 5 4 4 4 5 73*-^ ^<&s.$ro] 7 }444 5 4 4 3 *hfl__44 5 4 5 4 4 4 4 4 4 , 0.5 4 4 4 5^r 4 5 4 5 4 4 4 4 5 ^ 4 5 4 : 5 4 4 4 5 4 4 4 4 * M 3 4 4 5 4 5 4 5 * 4 4 4 4 4 4 4
- 130 -
$±__4, 4 4 4 ^ - ^ 3 4 4 5 4 3 4 4 4 5 4 4 4 4 . FSAGKT 4 4 4 4 5 -^ ^ 4 4 ^ 4 4 * £ 4 4 4 , 7}4 5 4 4 ^ 4 - ^ 4 4 4 3 4 * 1 4 5 4 ol 4 ^ ^ 4 - 4 4 4 &4 414 4 4 4 4 5 5-M-4 5 4 ? 4 .
ix}e}4 44*]£)-!-- A)^;4 nfs. FAGKT & * 4 4 4 4 4 4 4 4all4 5 4 4 4 (TSAGCH)4 4__. FSAGKT 3i (FSAGMIN)* 3 4 4 4 4 . 4 4 4 5 4 4 4 4 4 5 ^ 4 * £ 4 4 4 4 4 4 30^54 3600^ (144)4 5 ^ 5 4 4 4 4 £ 4 * 5 * ! 4 & 3 , 3 ^ 4 * 4 4 3 . 1 4 4 4 3 4 ^ FSAGKT ^ 4 4^ - 4 3 4 4 4 4 3 4 4 4 . 4 4 4 5 4 4 4 4 4 4 5 ^ 4 4 4 4 4 3 4 * 1 4 4 4 5 4 4 4 4 4 , 30^4 1 4 4 4 *sl5 ^ 4 4 4 3 4 3 4 * 1 ^ ^ 5 4 4 £-5-4, 4 4 3 4 4 5 4 4 5 4 4 4 4 4 4 4 4 4 4 ^ 1-2 A]7} 4^*1 *M4: ^_o]t[. ^, 4 5 4 7 } 4 4 4 4 4 4 5 4 4 4 5 4 ^<W_- 3 £ 4 ^ ^ 4 4 * £ 4 4 4^-4 , S-X7} 4 4 4 4 5 4 4 * ^ 4 4 4 . SL4 <>1 4 4 5 4 4 4 £ <&4&____ 4 5 4 3 £15 FSAGKT=O. 14 4 4 4 4 4 4 5 4 4 4 4 4 .
- 131 -
MH2CRT0)
MH2CRT(1) 300
240
ISO
120
00
0
i
rKSS
y8
■ FSAGKT = 0.5 : ; s o.6
y 0.7 : mr o.8 ; djT\ 0.9
1 1 1 1 1 1
i i i / i i i ;
2D 40 eo TIME HOURS
8D 100
L0FW444 FSAGKT4 4 5 4 4 5 14 4 ^ 444
- 132 -
MH2CRT(2)
40 eo TIME HOURS
LOFW444 FSAGKT4 4 5 4 4 5 24 54i 4 4 4 4
- 133 -
KG MH2CRT(I) :oo
:>44-|
m
HI •
--p?--
,
; FSAGKT=0.5
1 ^ ! FSAGKT=0.3 [
-TSAGCH=3600 " FSAGKT=0.1
-~* i ^ "
! TSAGCH=30 ;
120
Bfl .
ID 40 M) TIME HOURS
ec IDC
s} 3.3.5-3 4 4 5 i (LOOP 1)444 3 4 4 5 ^ 4 4 4 4
40 OD TIME HOURS
me
*U 3.3.5-4 4 4 5 2 (LOOP 2 )444 3 4 4 5 ^ 4 4 4 4
- 134 -
7.5
0.0
4.5
3.0
1.5
0.0
|4)KG
1
MCR(1)
FSAGKT=0.5 j —a— —e— - * - -
i i
i \ .
t \ " ;FSAGKJT=0.3
\ FSAGKT=0.1 |V" TSAGCIJ=30 i \ _ D ■
TSAGC!H=3600:
, . .....
--; •
■
j
ll ^
20 30 TIME HOURS
40 SO
34 3.3.5-5 4 4 5 l (LOOP 1)444 ^4 4 4445 45*4 4
MIC H P ] (1 .0-44] KG 7.5
rj D
4.5
3.0
1 5
Ll D
TSAGCH=3600 20 30 TIME HOURS
34 3.3.5-6 4 4 5 2 (LOOP 2)444 ^4 4 4445 ^A^-^ 4
- 135 -
(1.0-44) KG 15.0
tfCWCT
12.0 -
GO
G J
3 0
DJ
TSAGCH=3600 I*—! ■ a yf l e—. , — B * \ "FfeAi_KTfe._-"
TSAGCH=30
r i/ : FSAGKT=0.3 .,
" l i t
Tl
FSAGKT=0.5: -W ; i
20 3fl TIME HOURS
40 50
ZL% 3.3.5-7 443^1 o} -§-714 4445 4554 43
CI ,0-4* ) PA 10.0
PRBrJ)
8.D
G .0
4.0
2.0
D.D
□
— t J - ■
_ « _
40 00 TIME HOURS
3SJ 3.3.5-8 3 4 FSAGKT (0.1. 0.3, 0 .5 )4 4 5 5 3 4 (30:
3600__)4 45 44545 4^ 4 5 4 3
- 136 -
l*!2CRIr;i)
■00
3 5 ] 3 . 3.5-9 4 4 5 1 (Loop 1)444 ^4 4 5-^ 4 4 4 4 3
TSAGCH=3600 TSAGCH=30
40 00 TME HOURS
ZL& 3.3.5-10 4 4 5 2 (Loop 2)444 34 4 5 ^ 4 4 4 4 3
- 137 -
(1.0_44) KG MCMTCT 15.0 ■ ■ , ■ ■ ■ ■ ■
12.0 -
9.0
GO
30
DO -
TSAGCH=3600
FSAGKT= TSAGCH
FSAGKT
FSAGKT=0.5
A 0.1 30
=0.3
20 : j j TME HOURS
<\ 60
3 4 3.3.5-n 2M__el<4 57I4 4 4 4 5 455*1 4 3
TSA~CCH=36(fo TSAGCH=30 »
40 00 TIME HOURS
1DD
3 S ] 3.3.5-12 3 4 FSAGKT (0 .1 , 0.3, 0 . 5 ) 4 4 5 5 3 4 (30:
3600__.)4 4 5 4 4 5 4 5 4 ^ ^ 5 4 3
- 138 -
6. 34 44 2-^1 44
454 ISAAC 1.044 4545 i_4 44-3^5 455 4544 4 4 * 44, 343 4*13.4o\3± it)^4 ^ 3 454&4. 344 2M3.444: 4 a]^ __.__. 4434<444 5444 44340} -g-714 A7]7} 4434 44 4553 4^44 44454 444 5 44. 3=t_ 454 45 4 ^■S. 44 544544 5444 44 4434 o}^ 4 ^ ^y]y\ 5*J 44 443444 444 444 4444 5^4 4444.
437} 4444 4444 5444 S-*I3444: 4 -g- <y-4 -__ 54 5545 55^14 3544 4444. 344 ISAAC 1.0445 44 3<S ^ 544444 (54 44434 ^^-^) ^7] 444 45 44 44 454 44 4444 454. ^4 444 44444 44 4 5 ^ 45 3<i445 3444 44 &4. 444 ISAAC 2.0445 444 444 4434o}^ 4^4A]^| 44455 2j-*]|-_444; _}£. (calandria tube perforation) 344 4444 4434 <444 ^^5)^ ^5 2}-*]!__4 4 ^7] 44 54 5547} 443444 455 4544 45 45 444 4 5 435 5.^5 444&4.
455 2-f°] 5 ^ 4 4 ) 445 <g%Mr 4444 444 444^-4 4 4 5 55^4 ioo% 4443 (LLREF)4 34434 5444)71 ^-5 444 3 (L0FW)# 4^44 £4444. LLREF4 W ^ J 3.3.6-154 3.3.6-3 45 4 4 5 14 4544 444, 343 44344444 4445 34 5 ^ 4445, 343 3si 3.3.6-445 445 1444 5^54 5 4 5 7)14 44 (ISAAC 1.0)4 45 (ISAAC 2.0)5 5^44 434^4. 34 444 5 ^445 44 3*i4 ISAAC 1.0445 4 150 kg ^343, 4 54 7fl4S ISAAC 2.0445 4 160 kg 4 3 454&4. (LOFW445 5 43 ^4 ^ 5 4 150 kgA^ 4444 454 &4) ISAAC 2.0445 4 ^ 4- 0^5 2M3.444 4-^4^ 57I-44 ^r^7\ 44444 454 ^ 4 44-5.5 454444 44454 44 5444 444-^-55 5 ^ 4 445 4 10kg ^ 3 57}44. SL4 2.0445 4 4445444 5 ^ ^444 4444, 4 3 ^44 5^45 4 5 44. 44 ISAAC 1.04 4 2.0__5. 7)14444 443<i 5 444 4-_r ^454 3*15 (44*
- 139 -
555 "Ai^A: 45, 44H4<44; 44 45 5)3 45 544 45 3<i44 44 <3447f5 44* 7f44.
^44 444
MH2CU:1)
3 4 3.3.6-1 ISAAC 3 4 4 LLREF 4 3 ^ 4 4 4 4 4 4 4 4 4 ^44 43
4 ^
T IME HO URS
3 4 3.3.6-2 ISAAC £.*£ ^ LLREF 4 3 ^ 4 4 4 4 4 4 4 4 4 54i 4 4 4 4 3
- 140 -
MH2kT(J)
i TSAACT.D
ISAAC 2
Bfijc m
2D 3D
TIME HOURS
3 4 3.3.6-3 ISAAC 3*i H LLREF 4 3 ^ 4 4 4 2M3.443J-444 5 ^ ^ 4 4 4 3
2D 3D
TIME HO URS
3 S ] 3.3.6-4 ISAAC 3*1 ^ LLREF 4 3 4 4 4 4 3 4 (Loop 1 ) 4 4 4 5^ ^44 43
- 141 -
7. 34 54 s.'i 7H4
ISAAC 1.0445 444:4 444-5-5 5444 544 44*4 4434 444 3-4 454 44 544 5445 ^545 344&4. 344 344344 4444 554-^-5 5*4 4444 4 ^-^ 54 344 5547} 443444 455 4544, 4 45 444 45454 44 4434°k?te 544 54^ 5 2l-iH__., ISAAC 2.0445 455 3<i 454 IPTRUP# 3<a44 444: 5554 4445 5441 ^M- lof 3 4545 ^53 344^4.
444 45454 44 443444 54454 ^45 $7}*}7] 444 55444)71 ^-5 4443 (LOFW)# 44- -5 IPTRUP 35 454 443 _),o- ^4^14. a 3.3.7-14 ^44 44^ 3435445 4344
4 444 4444 5571 4445 44545 IPTRUP4 44 434*,4 ^45 454. 55454 44 5^454:4 545 344 ^5 (IPTRUP I) 4 5,684 __ <4 1.644)4 5^ 4544 4544 444 5 444 4_-4H; 45 44 2M-_4<44 4544 54^14. 44 4 4 544 443444 45471- 544 5444 454 544 444 44i44 54454:4 3544 i_4544 5444. 444 ^^344 44354 4554 444 443 *t444. ^^3445 4 39.144 4, 445455 4 39.2444 44 45^4. 344344 4444 *hH__444:4 5445 &M°] 3*J44 4545 344 &5 ^54 4 44 __4444 434^5 4 144 °14 wt443, ?!!__.el4 4 44 5454 54 445 4 30 3 yt444.
- 142 -
__ 3.3.7-1 LOFW 4 3 4 4 4 4 4 5-&- 4 4 4 3 S ( 4 4 5 5, ( 4 4 ) )
Major Events
Reactor scram
SG dry time
Core uncovery time Pressure tube/calandria tube simultaneous failure time Calandria Tank rupture disc open time LOCA signal time
Pressurizer isolation time Fuel material relocation to holding bin Core empty time Debris relocation onto Calandria tank bottom Calandria tank failure time
Containment failure time
LOFW base case (IPTRUP=1)
LOFW with IPRTUP=0
21.6
2810 (0.8)
4717 (1.3)
5684 (1.6)
5708 (1.6)
5720 (1.6)
5741 (1.6)
7034 (2.0)
7303 (2.0)
8061 (2.2)
140894 (39.1)
141279 (39.2)
9789 (2.7)
9333 (2.6)
9803 (2.7)
9823 (2.7)
12126 (3.4)
5806 (1.6)
12509 (3.5)
145689 (40.5)
146038 (40.6)
- 143 -
8. 4 5 5 4 4 4 4 s.1 57f
7\. 455*1 4 4 4 4 4 4 ^ - 4 4 4 3 4 i\^t
4 5 4 ^ 4 5 4 4 4 4 5 5 ^ 4 2 M 3 4 4 5 4 5 4 4 4 % 4 £*_-_. 4 4 5 4 4 5 4 5 4 4 X^s. 4 4 4 4 5 455*14 4 5 4 4 4 4 5 4 4 4 347} 4 4 57}544. 4 4 4 ISAAC44^ 4 4 3 4 0 } %.7\ 4 541 ^ 4 4 4 4 4 ^ (holding bin __ - suspended debris bed)5 44*r 3 , 4 4 4 5 4 6J4 4 4 4 ^ 4 7 } 4 4 4 ^ 4 4 4 5 4 4 £?tE.el°r 5 4 4 4 ^ - 5 4 4 4 4 4 4 . 4 5 4 ISAAC445 4 4 4 5 (Loop) 4 lA 4 4 4 4 4 4 4 ^ 5 ^ 4 4 4 5 4 S 4 5 4 4 4 4 4 4 44:&4 4 4 4 4 4 4 2.0.1445 4 4 4 ^ 5 244-5.5 4 4 4 & 4 . 5 , fhts.el°r -g-4 5 4 4 4 4 4 4 64, 3 4 3 4 5 4 \ _ 4 9AS- 4 4 4 4 4 4 * 3_4tt 5 4 3 5 5 44= (^»^)ft5L 4 4 4 4 4 4 4 4 4 ^ 5 ^445514.
4 4 4 ^ 4 4 4 4 ^ 4 4 4 4 ^ 4 5 ^71-44444 4 ^ / 4 5 (Loop 1 4 144 4 4 4 ^ ^ 4 ) 4 4 3 ^ 5 (Loop 4 244 4 4 4 ^ - ^ 4 ) 5 4 34^14. 4 4 4 4 4 4 ^ - 5 4 5 4 5 4 5 5 5 5 4 4 4 4 ^ 5 4 5 4 5 4 4 5 7\4 ^ 5 4 4 4 4 4 4 4 4 5 4 & 4 . 4 4 4 5 4 4 4 4 ^ 4 4 4 4 4 4 4 5 4 4 5 3 ^ 3.3.8-14 3.3.8-241 4 4 4 ^ 4 ^ 5 4 , 3 ^ 4 4 5-54 4 3 4 4 744 4 5 4 4 4 4 ^ - 4 4 4 4 5 ^ 4 4 4 3 ^ 5 (6x4 4 4 4 ^ 4 4 ) 4 4 4 3 4 4 4 4 4 4 , 4 4 4 4 5 4 4 5 ^ 4 5 4 4 4 4 4 4 4 5 4 3 4 4 . 4 4 4 y% LOCA445 4 4 4 3<i4 ^ 5 3 4 3 4 &5 4-5-5 $7 r 4&4.
3 4 4 3 4 4 4 <_^ JS7}# 4 4 LOFW* 4 4 ^ - 5 4 ^ ^ 5 4 %-^A: 4 4 4 ^ 5 7f44 4 3 ^ 5 5 £ 4 4 4 4 . 3 4 3.3.8-34 3.3.8-445 7 1 ^ 5 4 4 3 4 5 5 44-5-5 4 4 4 ^ 4 444^1 4 4 5 ^ 4 5 4 3 4 4 4 . 4 4 L O C A 4 3 4 4 4 4 T 7$o_ s_x ^.x[ty g.^ T\55 ^ -45 3 4 4 .
- 144 -
4 . <A^*A 4 4 4 4 4 4 ^ 5 5 4 4 4 £ 4 4 4 5 455-4 4 4
4 5 4 ISAAC 1.0445 3 4 4 4 4 4 4 4 4 4 4 4 4 4 - 5 5 4 4 F P 4 # 4 5 4 4 5 4 : 4 5 4 4 5 4 ^ 4 4 4 4 FP 4 # £ 5 4 4 4 3 4 5 ISAAC 2.04 4 ^ 4 4 4 .
4 5 5 *A^r$- 3<y4 4 4 4 5 ^ - 5 4 1H_ _r# (FPPHTS), # 4 4 4 4 ^ 5 jf-44 FP 4 5 4 5 (IFPHDB), 5 4 4 4 4 4 - 5 5 4 4 5 4 5 4 4 4 FP 5 * j 4 5 (FFPHDBV), 3 4 3 5 4 4 4 4 ^ 5 5 4 4 5 4 5 4 4 4 4 FP J__ ^ 4 5 (FFPHDBNV)5 °1544 4 4 3 £ 4 5 5 4 4 & 4 . 4 5 5 3<i4 FP 4 5 4 5 4 4 4 5 <£45 3§7}44 4 4 4 ^ ^ l i 5 4 4 5 4 5 4 5 F P ^ ^ _ _ 4 o ) . ^ o]^£]a (FPPHTS^O.O), 5 4 4 4 4 4 - 5 5 4 4 FP *^-ir 4 5 4 4 (IFPHDB=I), 4 4 4 4 441M 4 5 4 100% 4 5 4 3 (FFPHDBV=I, FFPHDBNV=I) 3 4 4 4 4 ^^^ 4 4 4 5 4 ^ 4 5 6„4 (FPRAT)5 -25 4 5 4 5 ISAAC 2.0 4 £ 3<i4 5 ^ 4 5 4 : 4 5 4 S 4 5 455-5-554 4 5 4 5 4 5 4 s .5 4445-^-5 4 5 4 3 (FPPHTS^I), 5 4 4 4 4 ^ 5 5 4 4 4 5 4 5 4 &5 (IFPHDB=O) ISAAC I.O 3 4 4 4 3
4 4 LOCA# 44-5-5 cre_ 4 5 4 Csi4 4 # 4 5 5 3 4 3.3.8-54 3.3.8-64 4 3 4 & 4 . ISMC 2-°4l45 Loop 14- Loop2 4 4 4 4 16%4 I2%7f 5 4 4 4 , *M--4<44i=, _> 9% 3 4547} 2M3.447} 4 5 4 ^ 4 39.54445 4 4 5 4 5 5 4 5 4 4 . 4 4 5 4 5 4 5 4 70% *j3 7} 4 5 4 4 ^^z 5 4 4 4 4 5 , ^^z 5 4 5 4 4 5 4 4 4 . ISAAC 1.04 7$+^ 4 ^ <£:§,:£ £ # o]^. «j-#4-J-- ^ ^ 4445-5-5 4 5 4 4 Loop 14 Loop 24 4 4 24%4 22% ^ 3 5 4 4 4 , ^-7} *\*i 4__44 4 FP ^Sr 4 5 4 4 _J<>r 5 5 5 4 4 4 & 5 4 5 5 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4434o}7l- 5 4 4 5 4 364444 4 36% ^ 3 5 4 4 47} 3 4 5 ^ * } ^ 5 i _ 4 5 ^ 4 . 4 4 5 4 5 4 4 4 Csi £ 5 5 4 54% ^ 3 4 4 .
3 4 4 3 4 LOFW443 %-«A*A: ^ 5 5 44-5-5 £ 4 4 4 4 4 5 3 4 3.3.8-74 3.3.8-84 5 5 4 4 4 . ISAAC 2.04 ^ 5 4 4 5 Loop 14 Loop
- 145 -
24 4 4 4 16%4 5 4 4 4 , 443401-4^ 4 ^ 4 4 4 4 8%, 3 4 3 4 4 5 4 5 4 5 4 5 4 68% ^ 3 4 5 4 4 4 . 5 ^ 4 5 4 : 4 4 4 5 4 5 4 5 4 5 5 5 ___!-=. el or 4^1 <_;44^f-o. . 4 5 4 ^ ISAAC 1.04 ^ 5 5 Loop 14 Loop 24 4 4 4 24%, 4^_3e]o}4^ _> 40% y\7?\o\ -f-a}^ 4.
oi x 3 4 5 4 3 4 5 4 ISAAC 2 .0445 4 4 4 4 i 4 3 4 4 5 5 4 5 5 4 $\ 4f- «}#oi 3 4 4 3 4 4^-01 ^eiH4°r_r 4 4 4 4 5 4 5 5 4 ^ 43__. 443401-4^^ £ £ £ ^ 3 4 4 5 4 5 4 4 4 £ 5 4 5 4 4 4 . 5E. 4 5 4 4 5 4 4 4 5 4 5 4 5 4 4 5 4 5 4 ^^-, ISAAC 2 .0445 4 5 4 : 4 4 4 5 4__34o}s. 4 5 4 ^ 4 4 ISAAC 1.05 4 4 4 5 5 4 4 SH.5l__.__. Loop 14 Loop 24 5 4 4 5 £ 5 4 ISAAC 2.04 4 4 4 _ _ L 5 4 5 5 4 5 4 4 . 3_4 5 3*144 S fc^ l 0 } 4 5 4 4 4 4 444 4 3 447} 4 5 4 , 4 5 5 4 4 4 4 4 - 5 5 4 4 4 5 4 5 4 3 4 4 5 ISAAC 2.04 ^ 5 4 4 3 4 0 } H } ^ 4 4 4 4 4 455*14 54<B4 ISAAC 1.04 4 4545 54454 44 4544.
- 146 -
(10E_)K 250
M-C8T(1)
200
150
100
Q\m LOCA
50 -
00 *
_ 3?rgle5B_pc_ /loop - s — 6w4S_Spool yloop.
Single SDB pool
6x4 SDB pool
10 15 20
TIlYEhDLRG
25
=U 3.3.8-1 4 ^ LOCA44 4 4 4 ^ 71)54 4 5 4 4 5 14144 4 4 <A^*A 4 5 4 3
MHDBT(2)
Single
-o—JigB soflpooi/ioop -*—6x4 SDB pool/bop
SDB p 0 0
6x4 SDB poo
ID 15 20 25
TME HOURS
=U 3.3.8-2 4*g LOCA44 4 4 4 ^ 7(54 4 5 4 4 5 2 4 4 4 4 4 <A^*A 4 5 4 3
- 147 -
p OE 2S.0
-3) KG MHD_T(1)
LOFW
-B sing IQ SDB pod - o — ew4S[»p<_i
Single SDB pool
6x4 SDB pool !
10 IS
TIME HCLRS
3sj 3.3.8-3 LOFW44 4 4 4 ^ 4 5 4 4 5 4 4 5 1444 4 4 <A^*A 4 5 4 3
(1DE+3JKG 25D
10 15
TIME HOURS
3 4 3.3.8-4 LOFW44 4 4 4 ^ 4 5 4 4-__ 4 4 5 2444 4 4 <A^*A 4 5 4 3
- 148 -
3 4 3.3.8-5 4*. LOCA 4 3 4 ISAAC 1.0 4 5 3 4 4 4 5 Csi 4 5 ££- 45
re
o_
F u e l | c h a n n e I h_ia_rr_ C__dr_ C_-_r-men _cp 1 _ c p _
C o n t a i n m e n t
i I S A A C 2 . JO
LLoop 1 j
L o o p 2 N.
_ :
c a l an id ri a -m __ 3D
Tlk—HOLRS
* _ i SO
3 4 3.3.8-6 4*g LOCA 4 3 4 ISAAC 2.0 4 5 3 4 4 4 5 Csi 4 5 ££- 45
- 149 -
L0RAJREF(FPCWSE1: FPfflT5=1, IFmDEH), -_}
1.0
0.8 -
0.6 ■
0.4 -
0.2
0.0 * 20 30
TIME HCLRS
50
3 4 3.3.8-7 LOFW 4 3 4 ISAAC 1.0 4 5 3 4 4 4 T T Csi 4 5 ££- 45
- 150 -
LQFV*& (FP BASE: FPPHT5=U, IFPFCB=1, FFPHDBV^FPFCBNV-:1, -2)
1.0
o.s
IB
..A-F-U.el ttianneJ
- o — F__ 0 _ n d
- a — __r_ ia
-* >_rt_TTErt
-—L»p1 -*— L»p2
r
0.4
containment
:
02
0.0
calandria
LoopJ-r-2—.
TlMEfCLFS
3D « 50
3 4 3.3.8-8 LOFW 4 3 4 ISAAC 2.0 4 5 3 4 4 4 T T Csi 4 5 ££- 45
- 151 -
9. 5454 s.
CANDU 44445 5^4544 5444 44 455___554 454 34 5554 -M344 54 4544 4544 ^54 44, _M344 5 7] 54 5 455*14 i*I__44 555 45444 3 5-4 4454 3 5444 54544 444 5 44. 344 44344 5445444 545ti5_r 454 54 445 544544 35444 444^-5 44 *15)4 4544 454H__ 54 ?1544 45 5 444 445454 4445 4^V 45 5444 443 4444 ISAAC<HM _=■ 3444 4 3 44. 444, ^4344 547} 5445 T$J$-^ ^3 444 34 55554 44344554 4454 45444 545 __4 4544 4 __.__.__. 44 44 54544 4545 3443 44. 454 ISAAC 1.0 445 5^5344 EXVIN44 5454 445 3443 £14. 344 4 ^53^445 5554 4454 €545 ^5 4445 54 4^4 444 ^^oi *HH^ al4. 5, 454 4445 5554 44 £3, 343 ^344554 445 4- -554 54544 4545 444 4, 4 ^^4 n> - Tg o] 4 ^ s ] ^ - ^^-7)so^ 4 *>•&]-4 445454 4 4 * 4544.
444 4 454145 Henry & Fausk_4 3*15 4544 5454 _M 3L 4, 5454 4544 ^4, 54544 4445 %*^ 45, %*^ 444 4-# ^A 44554 H444 45, 4?_# 44, 5454 %-°A: 4 4545 444 4 54 __ 4 44, 3 4 3 545__444 445^-
41 44 44 5445 45435 5__.__.344 STMEXP# 7)1444, ISAAC 1.04 EXVIN5 44444. 5451. 34 57}4 4444 PCUTOF (54 54 44 45 4 ^ 444= 1 MPa), TEXINT (5454 4544; 0.001 __.), TDSTEX (4544 5^154 44 44; 106 __.), 343 XRSP (545 4 544 6„4 ^5 34; 0.2 mm) ^ 5 454 ^44541 5_44£14.
^■^34455444 5454 ^ 4 5 ^444 44 44344 54 4 4444 4444 (QCHF)5 444^-5 4- 471-4 44340} -§-714 4 ^ 444144 5454 44 454 3 44 54544 444 ^^-M 4, 445, 54444, 343 45^45 4444 fi 3.3.9-14 ^44
- 152 -
44.
ISAAC444 57154 34-_r FITSB4 KROTOS 44444 4344 444 __5 5544 4454 4544 445 5454. 44 3 4f 444 44454544 4444 44544 *A;-%-ft^, 44 3.455 4545 KROTOS 44445 54544 4444 44 4^44 435 44* 44 3 44. 44 4444445^44 54 54 TROI 444444 43* 54 44555 ^7}4 4^44.
- 153 -
_£ 3.3.9-1 4 4 3 4 o } ^ * ) * | < g ^ ^ ^ j TX}^ ^-7]^ 4 4 3 4 4
QCHF
(MW/m2)
0.001
0.005
0.006
0.008
0.01
0.1
1
5 4 5 4 4 5
no
no
yes
yes
yes
yes
yes
2j-^I__4o} 4 3 . 5 4 4 4
(3,) 27463
(7.6 4 4 ) 27572
(7.7 4 4 ) 28236
(7.8 4 4 ) 28403
(7.9 4 4 ) 29012
(8.1 4 4 ) 41735
(11.6 4 4 ) 140138
(38.944)
5 4 5 1 _ 4 4
5 5 5 4 (kg)
0
0
16.27
14.05
18.41
10.3
13.76
445
0
0
0.01516
0.01521
0.01516
0.01503
0.0146
54445 (kg/sec)
0
0
75.8
64.61
86.37
50.19
86.21
4544 (MPa)
0
0
20.84
17.53
22.36
15.25
8.44
io. 4 _r4445 45 .s.«i
7\. 44 4^ 4 5.4 54
444 4 4444 4 ^ ^ 4 5 4 3445 s.<i £4^ ISAAC I.O 33 4 4 5 3 ^ ( 5 , NUREG-07723'i(1981)+Kelly44:4(1984) 4 IDCORS'i (1983)+Keiiy44:4)4 4 4 4 4 5_r (3.3.84)44 4 5 4 Sd4. 4 4 4 4 5 -__«___■ 198044 -S_4I 71144 4-^-5 4 B } 4 5 3 3 (4 : MAAP 4.0.3, MELCOR 1 . 8 . 5 ) 4 4 5 1 9 9 0 4 4 4 7 ) 4 4 CORSOR-M/-BOOTH (SNL, 1990) [25], CORSOR-0 (ORLN, 1995) [26] 4 ORNL-BOOTH (ORNL, 1995) [26] 7))4 3 4 4 4 5 4 3 4 4 . 4 4 4 7 ( 4 3 4 ^ 198544 BMI44 71)44 CORSOR 3<i ( 4 4 4 4 4 4 4 5 5 4 4 4 4 4 4 4 ^ 4 4 5 4 5 5 4 5 4 4 5 3 ^ 4 1 5 »m^ 3 4 ) 4 4 5 4 4 4 4 4 ^ 4 4 4 5 (3_5 4 4 ) 4 5 5 4 4 4 5 4 4 4 . 5 4 CORSOR-O 4 ORNL-BOOTH 3*15 ORNL44 7)j 4^1 4 4 3 4 5 , 544(Cs) 4 5 5 7)144: ORNL-BOOTH 3 * i 5 4 5 (2003) 5 4 4 4 4 4 5 4 5 4 4 4 FPT-I 4 4 4 4 4 4 3 ^ 5 4 ^ 4 4 214-. ix}eM ^ 4 5 4 4 5 CORSOR-M/CORSOR-O/ORNL-BOOTH 3 4 4 ^ 4 3 4 (CORSOR-M(444 4 5 ) + CORSOR-O(4444 4 5 ) ) 5 4 5 5 3 4 5 5 4 4 5 3 3 4 4 4 ^ 5 5*,4Sd4.
ISAAC 2.0 3 3 4 5 7 } ^ 3 4 4 5 __.*i5 PWR4 MAAP4 3 3 # 4__.4&__. 4 FAI (Fauske & Associates, Inc. ) 4 4 5 5 4 ^ 4 4 4 4 5 4 7J |44£l 4. 444 3445 ^44 44 4 45 45 4 455 34/544 44 4544 444 444 3444 4444 4 544 ^35 454 4 454 44S 4 5_14 44 4544 44445 ^454 4433 44 437} 54*11*1 4- -5 44€4.
(D CORSOR-M 4 4 4 3 4
ISAAC 2.0 3 3 4 CORSOR _ . | ^ Kelly 4 4 4 4 4 5 4 4 4 5 4 4 5 Arrhenius ^EJJ4 4 5 4 5 4 5 4 4 .
k(T) - K0 e(-Q/RT) (3.3.10-1)
- 155 -
4 4 4 k(T)<_r £ 3 T [Kelvin]444 4 5 _ r 5 [__ ] 4 3 , R^ 5 5 4 4 4 5 (= 1.987E-3 kcal/mol-K) 0)4, ^ 5 4 5 4 Ko 4 4 4 4 4 4 4 (activation energy) Q4 ^]^ 4 4 [ r_1] 9i [kcal/mol] 5 4 o}eH4 <__. 3.3.io-i>4 4 5 & [25] 4 4 4 4 4 4 4 .
a 3.3.10-1 CORSOR-M 4 5 5 4
4^4 ^45 Nobles
Csi Te02 SrO Mo02
CsOH BaO
La203
Ce02
Sb Te2
U02
Ko [ ^ 4 2.E5 2.E5 0.
2.95E5
2.E5 2.95E5
0. 2.67E8
2.E5 2.E5 0.
Q [kcal/mole]
63.8 63.8
°-100.2
0. 63.8 100.2
0. 188.2 63.8 63.8
0.
ISAAC 2.0 4 4 4 5 S CORSOR 3 ^ 5 5 ^ 4 4 ^ 5 S 4 4 4 4 4 4 (surface to volume ratio)4 J L 4 4 3 4 4 4 _i5 4 __■ 3 4 4 4 . 3_4 44 3 1 4 4 5 sr 4 sb 454 44 454444 &4. 344 __ s.«i 4 4 5 NUREG-1465 [27144 454 7fl 4554 4__.44 Sr 454 4 5 5 5 Ba 4 5 4 4 5 5 4 4 5 4 3 , sb 4 5 4 ^-BrZ. Te 4 5 4 4 5 ■o] 4-g-5]^u}. £ __.«*!£ NUREG-0772 3 4 4 5 4 4 4 Te 4f -4 4 4 5
(Te 4 5 5 Zr4 4 4 5 ° 1 70-90% 4 * H H 4 5 4 4 Telluride54 5 4 4544 45 5 44) 544 S444 44. 44, 44 4444 44 7)-45 uo24 455^r 54444.
- 156 -
(2) CORSOR-0 4 4 4 3 4
ISAAC 2.0 3 3 4 CORSOR 3 ^ 5 Kelly 4 CORSOR 4 4 4 Bj7> 4 5 4 4 ORNL 44 71144 444 4 5 3 4 4 4 . __ 3 1 £ 4 4 4 4 4 4 4 4 5 S 4 4 4 4 451H41- 4 5 4 5 4 4J_44, 4 5 4 4^r 4 5 4 5 4 5 4 4 .
k(T) - Ck Ko e(_Q/RT) (3.3.10-2)
444 MT)-_r ^ 3 T [Kelvin] 444 ##___r [__-l] 43 , Ck £ 4 5 5 4 5 4 5 (multiplier) 44, 4 5 4 5 4 K0 4 4 4 4 444 Q4 "A:^ 4 4 [5_l] 4 [kcal/mol] o]u>. Kr 4 Cs 4 5 (4__-54 [26]H 4 5 ^ 4 5, 5 4 4 3 4 Kr 4 cs 454 455^r 544^-5 5444)4 4 4 K0
&5 12,000 [5_1] 44, ^ 4 ^ 4 4 4 cfe £ 3 4 4 5 4 44&4 55 kcai/moi o] A^cf. 4 4 5 1 5 44 4__ ^it-ir 4 5 4 5 c_7> 4 5 5)^4 Kr 4 5 4 4 4 4 5 5 5 4 4 4 4 5 5 4 4 4 4 4 ^ 4 4 4 44 4 4 4 * 4 4 4 3 4 4 ^ 5 ORNL4 44 &4 444Sd4 [26].
kKr(T) = Ko e(-Q/RT) (3.3.10-3) k(T) " C_ k_r(T) (3.3.10-4)
5 ^ 44i4 44 Ck &5 4 4 5 44i3 (fuel burnup rate), 4 4 3E.5 A>4 ^^.S. (reduced fuel or oxidized fuel) __.4, 4 4 5 4 444^-4) 4 4 454 . 44 4 4 5 _ 4 r 5__. 544 5571 5 4 5 4 ^ 5 ^r^-7] 3 4 4 ^ 4 4 4444 . Osetek [28]4 44 454&54, S 4 ^ 4 5 4 5 4 4 54^,45 4 4 4 5 4 4 4 4 4 * ^A: ^^7]y\ i_-5445 5 444 5^4-5.5 5 4 4 4 4 , ^ M __.__. __5 U^ 4 4 5 4 4 44S 4. ISAAC 2.0 3 3 4 4 4 455(ik)4 4 4 5 44 4 5 4 5 5, ^4 4 4 5 __. 4 4 4 4 5 __44 4 4 4 5 FCOROi(ik), 4 ^ 4 4<gj_. ^ 44 4 4 4 5 FC0R02(ik)7} ti^^^js. 45S4 . 5 4 4 3 4 3 3 4 4 4 44 ^-%-^ 54_4 (54), W} 4 4 4 4 4 (timesteP)44 4 4 4 4 441 4 5 4 5 5 5-^4 ioo%5 ^ 4 4 4 5 __444 5--4 o%5 ^ 4 4 4 5 __.5 4 4 4 4 5 __4-°-5 7}444 5-^44] 4___44 4 4 5 4 ^ (linear interpolation )___5 4 5 4 4 44^14.
- 157 -
Ck(ik) - (l.E0-fH2)*FC0R01(ik) + fi_*FC0R02(ik) (3.3.10-5)
4 5 4 <_£ 3.3.i0-2>5 3_?1 ^ 5 4 4 4 4 5 _&4 4 ?Hi ^A^^- ^ 4 4 4 4 4 5 5 4 5 4 5 5 ISAAC 2.0 4 5 5 4 4 4 5 4 5 3 4 4 .
a 3.3.10-2 coRsoR-o 4 5 5 4 5 4 5
n^ Nobles
Csi Te02
SrO Mo02
CsOH
BaO La203
Ce02
Sb Te2
U02
3L7\ _£5 4 4 4 4 5 __4 (FCOR01)
1.0 0.8 0.0 0.01 0.25 1.0
0.02 0.0002 0.0002
M 0.8 0.0
44 445 __.4 1.0 0.8 0.0 0.1 0.01 1.0 0.2
0.0002 0.002 0.02 0.02 0.0
(FC0R02)
(3) ORNL-BOOTH 4 : 4 4 3 4
ISAAC 2.0 3 3 4 ORNL-BOOTH __.15 ORNL 4 4 3 4 4 4 4 4 4 4 4 4 4 ; § 4 4 4 ^ 4 4 4 5 4 4 - ^ 5 4 5 4 5 4 4_&4 4 4 4 5 (diffusion coeff ic ients)* 4 5 4 4 7i)44 4 4 4 4 4 4 5 3 4 4 4 . 5 3 4 4 4 4 4 5 5 4 5 4 4 ^ 4 4 4 .
D = DoRDe"(il) (3.3.10-6)
444 D " % 4 4 5 [cm2/s], Do = 4 5 4 5 [crnVs],
- 158 -
Q -
R -
T -
RD "
4 4 4 4 4 4 [cal/mol], 5 5 4 4 4 5 (= 1.987, cal/mol *K), 5 3 [K], 3 4 3 44454 44 4 4^1 444 454544.
4 4 4 Do &5 °-01 CD]2/S 4 3 Q 4^-r 91,000 cal/mol o]u}. CORSOR-0 4 545 (ck)4 4471-45 5 31445 44454 44 4 4551 4 _|a) 4545 (RD)7} 4543, 44 ^5 44 445 _ 4 4 444 4 4434 44 44 4445 4^ %-«A*}3.3. 454 4 r 544 ^44 4444 4544.
RD(ik) - (l.E0-fi_)*FC0R01(ik) + fH2*FC0R02(ik) (3.3.10-7)
*„44 FORNLl(ik) 3L7] S _ 5 4 4 4 4 5 __4 (fH2=0)4 4 4 4 5 4 3 F0RNL2(ik) ? : 4 4 4 5 _*4 (fH2=D4 4 4 4 5 4 4 , <s 3.3.io-3>5 ISAAC 2.0 4 5 5 4 4 4 453J; «s. 3.3.io-2>4 FCOROI/ FCORO2 4 4 4 5 ) 5 5 4 5 3 4 4 .
x 3.3.10-3 ORNL-BOOTH 4 4 4 5 4 ] 4 4 4 4 - ^ 1 4 4 4 4#4<
455 Nobles
Csi Te02
SrO Mo02
CsOH
BaO La203
Ce02
Sb Te2
U02
__.4 __. 4 4 4 4 5 __4 (FCOROI)
1.0 0.64 0.0
1.0 x 10-4 0.0625
1.0 4.0 x 10-4 4.0 x 10-8 4.0 x 10-8
0.25 0.64
0.
4 4 4 4 5 __.4 (FC0R02)
1.0 0.64 0.0 0.01
1.0 x 10-4 1.0
0.04 4.0 x 10-8 4.0 x 10-6 4.0 x 10-4 4.0 x 10-4
0.
- 159 -
4 5 - ^ - 5 , 4 4 4 5 „i°l ^ 4 4 4 5 5 (release fract ion)5 5 4 4 4 5 4 , 4 5 5 4 4 5 4 ( 5 , Dt/a2 < 0.1547)^ 4 5 4 4 4 5 4 4 .
F = 6 j 5 - 3 -V^a a
(3.3.10-8)
444, F - 455, D - 4 (3.3.10-6)4 4 4 4 5 [cm2/s], t - 4 4 [s] , 3 4 3 a - ^ 4 4 _-4 5 ^ 4 ^ (measured initial grain radius), [cm].
4 5 5 4 5 5 4 ( 5 , Dt/a2 > 0.1547)^ 4 5 4 4 4 5 4 4 .
(3.3.10-9)
4 4 4 4 4 5 4 5 <U44 ^_4 4 4 (a)5 4 5 4 ° „ 4 4 5 XGRAIN (-6.0xl0"6m, ISAAC parameter 4441 5 4 ) 4 4 , 4 5 5 5 (release fraction rate), f±- 4 5 5 5 4 5 4 4 4 5 4 4 4 4 S 4 .
f (l/sec) - (F(t+At) - F(t)) / A t (3.3.10-10)
4 . 4 4 3 4 <^4 $7}
ISAAC 2.0 3 3 4 7114 3 4 4 5 3 4 5 4 , 4 4 4 5 4 4 4 7 } 4 4 4 1990 4 4 4 4 3 1 4 CORSOR-M, CORSOR-0, ORNL-BOOTH 3 4 4 H K_£-T&-_-. 444 4 7 1 ^ 3 1 4 ^ 4 5 Hi 3 4 4 4 . 5 , ISAAC 2.0 3 3 4 3 4 4 5 3 1 4 5 4 5 4 5 4 4 5 4 4 87}4 7$*-^ u}-§-4 ^u}.
^g5 1. coRsoR-M, _ _ 4 5 4 4 4 4 4 4 (LO-CM+) 4 5 2. C0RS0R-M, _ £ 4 5 4 4 4 4 (LO-CM-) ^ 5 3 . coRsoR-o, S 4 5 4 4 4 4 4 4 (LO-CO+)
- 160 -
4 5 4. coRSOR-o, _ _ 4 - 5 4 4 4 4 (LO-CO-)
4 5 5. ORNL-Booth, S 4 5 4 4 4 4 4 4 (LO-OB+) ^ 5 6. ORNL-Booth, _ _ 4 5 4 4 4 4 (LO-OB-) 4 5 7. CORSOR-M/0, ^ 4 5 4 4 4 4 4 4 (LO-CM/O+)
^ 5 8. CORSOR-M/O, _ _ . 4 5 4 4 4 4 (LO-CM/O-)
4 ^ 4 3 5 4 5 3 1 4 5 4 ^ 5 (3.2.84 4 ^ ) 4 5 4 4 4 , 4 4 2/3/4 ___4 4 ^ 4 3 4 4 4 ISAAC
6„444^_r 4 5 5 3 4 [i9]4 <£ 3.i> 4 <_t 3.2>5 4 ^ 4 3 4 ^ 4 3 4 4 4 4 3 4 4 4 4 5 4 4 4 4 4 5 4 5 5 3 4 [ i3 ]» 4 ^ 4 4 4 4 . ^Aft^-^ 5 4 4 5 4 4 4 4 5 ^ 4 5 £■ Xe, Csi, Te, 4 CsOH 4 5 5 (47}x])°]ZL 4 4 ^ 4 4 5 4 4 4 5 ^ : Sr, Mo, Ba, La, Ce 4 Sb ^i^-^ (67}4 )o]z\.
« A -444, __^J-Aj y\± (Xefe 3 5 3444 455 45444. 4444
5 «34 3.3.io-i>5 Csi4 444)44 ^71454^ CORSOR-M 3 1 (csi 45) 4 ORNL-B (Te 45)4 44^4 444 454 4^45 54 455 4544 44554 (435 34)4 4#55^r 4554 3444 5 447} 444. 4, IDCOR 314 45, 44 5_14 44 444 ^^-
4 ^44544 4444-5-5 ?i°} 4^-4-4 ^*]y\ ^ ^ ^o.^ L,}E}^ 4.
4554 4444 45 (04 3.3.io-2>5 Ce024 44^)445 444 __.__. ORNL-B > CORSOR-M > CORSOR-0 (_£5 CORSOR-M/0) ^TO^_ 4 5 5 5 4 5 4 - ° - 4 , 4 5 3 1 ^ : CORSOR-0 (_E^ CORSOR-M/0) 3 4 4 4 4 4 4 4 5 4 4 5 ^ 3 7 } 4 4 M 4 . 4 5 " 4 4 ^ 4 5 4 4 5 4 4 4 CORSOR-O 3 1 4 7}4 5 5 4 o | ^ . ^ o]^| 5 5 5 5 4 4 4 ( 4 5 ORNL-Booth 3 1 O ] 57I-4
4 4 4 4 4 5 4 4 5 4 S L 5 4 T 4 5 ISAAC 3 3 4 5 4 4 4 4 4 5 4 4 4 4 4 5 4 4 4 4 4 4 4 4 -£-44 ORNL-Booth 3 4 0 ] 7}$ 5 5 4 4 4 0.5 4 4 b t 4 . ^ 4 4 5 4 4 3 4 4 5 4 4 4 5 4 4 5 ^ 3 ^ 4 4 5 4 5 4 ( 5 4 4 , ^r-%-^), 4 5 4 4 ( 5 5 4 a> A >4^35) 4 5-1544 4 _r 5444 4441 44435 5 45^44 7}435 5444 4^ 4. ^4 ^4 4344 o}^ 4^- (1.344x10-4 kg) sb 45 «34 3.3.io-3> 4^)4 ^ 4 * 4444 CORSOR 3444 445 45 444.
- 161 -
3443 5543 43.334 MELCOR 334 44^4, 444 45 4 4 5 4444 45 (Mo, RU)4 ^5 ORNL-Booth 314 5 4 5 5 4 5 * 54 5443 45 45 44 ^ 5 45^4554 4 4 ^ 4, 4544 31 54 CORSOR-M 314 44 ORNL-Booth 315 45445 5444. 44, S45443 44544 45 ^5, 444^-5 45554 4444 (4 44 45 ^54 45 ^4454 44 4444 45) 54 Mo 45 «3 4 3.3.io-4> 4^)4 454 45 4445 545 5&4.
- 162 -
0 75
0 6
0 45
0 3
0 15
0 0 40 60
TIME HOURS
34 3.3.10-1 ^#344 445454 Csi 545 43
100
4 0 6 0
T I M E H O U R S
34 3.3.10-2 ^#344 445454 Ce02 545 43
- 163 -
O O
T I M E H O U R S
34 3.3.10-3 71)4 45^44 445454 sb 5 4 5 43
T I M E H O U R S
34 3.3.10-4 71)4 45^44 445454 M0O2 5 4 5 43
- 164 -
ll. j_.__.__. 44 ^4
7\. 44 4^ 4 s i 54
5 454 4^ 4 4J5-45 454 44. -£-£-34 455 454 4^: 5 4/444 ^ 4 cj^-^ 4444 5J5-4-5-5 44 44 444 4^44 4 304 44 444 444 &4.
- ^44 44544 444^-5 554 434
5t4, 45 444-5.5 CSNI 44 ISP-41/465 544 J-.__.-_.4 454 4 4 4 4 4 5 * 4 ^ 4 5 4 ^ 5 4 7i)4 4-5-44 4 4 4 & 4 . 5 4 , 20034 -f-B) ^ } 4 4 4 UWO (University of Western Ontario, Dr. J.C.Wren) 4 AECL (Chalk River Lab., Dr. J.M.BallH <f^o] £]3 4 4 4 4 : 4 5 ( 4 5 / 5 4 / ^ - 4 - ^ / - ^ 4 - - / 4 3 5 ) o l 4 4 * f e 5 4 5 5 4 5 ^ 1 4 (International Center of Excellence on Containment Iodine Chemistry and Fission Product Behavior)4 -_l^0l OECD 5 5 4 5 4 4 (Joint Research Project) 5 5443 44 [29]. 344 54445 5444-544 45 545 4 44-15 44 454 45M4. 444 54434 JSL__H 4541 44 5 ^AX7\ 434 ^J_.4 4444.
444 44414 PWR4 MAAP4.O.5 335 4__.4-3 FA144 554^4 4 4 7i)44 J_.i_.-i 4 4 3 l o ] ISAAC 2.0 4 4 3 3 4 57I -4&4. 4 4 4 , 5 4 5 4 4 5 7j)«J-s} 3 1 5 4544 5 4 4 3 4 4 4 5 4 5 4 J-._-.H (Iodine)4 5 4 4 4 4 (physio-chemical) 4 4 4 4 4 (radiological) 4 5 5 45444. 5 ^X^ 544 7i)44 J_.__._I 4 4 3 4 5 4 4 4 3 5 4 4 3 4 4 4 5 4 5 4 J--.H*] 4 4 4 444 ^4 4 5 3 4 4 5 *_ 7}44 4 447} J_J_3 44 4 4 5 4 4 4 4 4 4 4 4 4 4 4 4 44 4 4-___3 44^4. s_4, 5 4544 J§7}4Tr J_-_L3 4 4 7(^-31^ ^■^s. 5 4 4 3 4:4444 4 4 4 "454 4 4 5 4 5 44" 4 4 5 i 4 4-&4 4 4 4 4 5 4 4^44, __-_---. 4 4 3 4 5 4 5 4 3 4 5 4 B}33 ( 4 : MELCOR 3 3 ) 4 4 4 3 3 7}-^44 4-^-5 4 4 ^ 1 4 .
- 165 -
4 . 4 4 3 4 <£4 ^7}
ISAAC 3 3 ^ 4 5 4 4 4 5 5 3 5 137j| 5 (1 = Nobles, 2: Csl+Rbl, 3: Te02, 4: SrO, 5: Mo02, 6: CsOH+RbOH, 7: BaO, 8: La203+Pr203+Nd203+Sm203
+Y203, 9: Ce02, 10: Sb, 11: Te2, 12: U02+Np02+Pu02, 13: Tritium)_5.5 5 5
4 4 ^7}44, 4 ^ 5 4 5 4 4 4 4 J-.-____.-_r 24 5-5.5 ^ 4 ^ 4 . 5 44_5.5 24 5T_- J-._-._-4 45^1 44"5 (inorganic compound)^ ^ 4 4 4 ISAAC 3 3 ^ o]^. csi 4 Rbi 4 4 5 5 4 4 S 4 5 4 , 5 4 5 4 4 5 4 4 4 24 5 4 4 5 Csi 4 5 47}45 4i_.4&4 (4:4 6J4 = FCSI -l.o). 4 4 4 csi 4 5 5 4 4 4 4 4 ^ 4 (44 4 4 5 4 4 4 4 4 4 _£4)4 Ji-i-H 4 4 5 (4 : i2/r/io37CH3i/CH3/HOi/Agi 5 5 ) 4 4 5 4 4 4 4 5 4 5 3 1 5 5 5 4 4 57}54__5 7j|44 J5~£-3 4 4 3 4 5 4 544 545 5*,4&4.
ISAAC 3344 J_._5_3 44 344 455 4445 446J4-_r "IIODIN" 44, 4 5 4 ^ 4544 45 444 6J4 -5.5 "i"5 5444 454 4 . 4 5 4 4 5 4 4 3 3 (automatic event flag)^ 10044 4 5 4 4 Csi 4 4 5 4 5 4 4 4 (5,445454 J_5 4 4 (44+445#+<i5^!-5 4)4 csi 4 4 > I.E-6 kg) 44337} 45_5.5 4444 (IEVNT(IOO)=I) J_._5.3 4 4 34o| -4tl4.
544454, 4 4 5 4^54 5 3 # ^-44 4 4 4 5 4 4 4^54 4 4 4 4 4 4 5 4 4 4 5 5 5 4444 5 4 4 4 44. 4 4 4 4554 4 4 4 5 T_;34 4554 4 4 4 4 5 4 4 4 5 4 4 454 444 4*34 4 4 44, 4 5 44 £ 3 298.is K 444 3.7] 4 5 4 5 4 % 4 4 4 447} 4 4 4 4 5 4 444 6„4_5.5 4-&44. ISAAC 3 3 4 J_.J_.__. 4 _| 3 1 4 4 3 4 4 3 4 5 4 4 4 5 * _£#*_ 4 4 4 4 4 5 4 4 4 4 4 *> afsj-wv-g-44 ISAAC 2.0 334 6J445 (3L7\ ^y^i^r 4 %44 4 44) 4 ^A%^ 44445 45534[30]# 4^44 444. 4445 444544 5 4 * ^ (4= 44 4454 454 53, 445^4 PH)4 *H_ 3.7} 45454 544 3_5 5*1*^7} S444 44. 334 45 3J.5 7}4 4 4 4 4 4 ?i (well-known and best-estimated va lues )* 4 5 4 3 4-5-4 ^ 3_7\ 4 5 4 5 4 4 4 44 4 4 4 4 5 4 4 4 4 4 3
- 166 -
544 4-S.4 4^-5 4444 5 454145 4544 44 4445 5 44&4.
J_.J5.__. 4 4 3 1 5 4 4 4 5 4 4 (chemical kinetics) 4 4 5 5 4 4 4 5 5 4 4 (aqueous phase)444 4 4 4 %£||4 J_.J5.__ 4 4 4 4 7 1 4 4 5 44] (organic-pa in ted walls) 4 71444 (gaseous phase) 4 4 4--4" 5 5 5444. 4 5 44445 445 445^44 J-J5---4 4544 (4454 J5.J5.344 45--: 3444 454), 45 445454 54S 4 5^5 (heat sink)4 44 444455 34S 45^4 (44545 455 4 4 S4-5.5 44445 344 IPAINI( -___§ «_;_-) 6J4454 &-5.5 "i"5 54) E5 45^4 (44545 455 44 ^4^-5 44 4 4 5 344 IPAIN2(5^5 £__-.) <U4454 i-5.5 "i"5 54)^-5 4^4. ISAAC 4 4 4 ^ 44 20071)4 45 4 45_i4_-54 4444 M 447} §4S 5 4 -4 5 45443 45 445 54445 445 ^444 <£4* 71-4^4. 44, 444444 4^455 5544 4 4 4 4 B | | 4 4 ^ 4 4 4 (mass transfer)* 4 4 4 4 . J5.J5.__. 4 4 3 1 4 4 3 4 4 5 3W«J55 i37}444, 4 5 97}45 5 5 4 4 4 4 5 4 4 (forward) 4 4 4 4 (backward) 4 v£ ^ 4 5 (homogeneous react ions )°l3, 37}45 5 5 4 4 4 ] 4 4 4 5 4 5 (heterogeneous reactions)o)4, l7}45 4 4 4 4 4 4 4 4 5 4 5 4 4 .
4 ^ 4 3 5 4 5 3 1 4 5 4 ^ 5 (3.2.84 4 ^ ) 4 5 4 4 4 , 4 4 2/3/4 __.7] 4 ^ 4 3 4 4 4 ISAAC
6 J 4 4 4 5 4 5 5 3 4 [30]4 <s 3.2>5 4 ^ r } 3 4_&434 4 4 4 3 4 4 4 4 5 4 4 4 4 4 5 4 5 5 3 4 [ i 3 ] » 4__.44 s u}. 53344 3445 3 1 5 4431 (ORNL-Booth, __45 44 44 44)5 454&3 445454 334 44 (Nodalization Scheme)445 127J4 3 3 4 277i)4 4 5 ^ 5 5 4 5 4 4 4 ( 4 3 5 4 [30]4 <£■ 3.4> §__.). ^ 4 4 4 - - 4 4 4 5 4 5 4 5 4 4 £ 419 kPa(g) 5 7} 4 4 -4 44554 (34)44 44545 455 1H44 _J*1 4.
^454, q-44 554-5-5 7}^4 4^4444443 44^444 5 4 csi 445 (-M4 - 4 i.3kg)4 441 5-£» 544&4. 4 * 4
- 167 -
4 4454 45 (±^-%-^), 445445 (±^-%-^), 44445 45, 44445 45, 44344 54 45 (34555), 4 4454 5 45 (44344 55 __4, 34555pooi 45 (=3_*l) 4 45 ( = 45, 44545 44/^5^5/^45^4 54))4 Csi (_&444 44) 555 <34 3.3.n-i>4 S44&4. 44 444 4454: 454 44 s.^ ■%-■%■ 4 4454:4 454 44 1044 444 44 S-5 *14!--44 5 4 5 4544 44 44 345554 csi^ 4 22 7} 44344 54 5 4 ^ 5 ^ ( 4 5 ^ x&x\ 3445 44^.1 544 44 3.4 454 [19], 5 454145 4431 (ORNL-Booth, _£4544 44 44)* 4 5) 454 Csi 44 4 44 4 4 5 4541 32% 4 28%4 Csi7} 454 4. 2M344 545 45S csi^ 34555 454 5444 4434 4 54 454 44545 (5, *M__4o} 55)5 45 4544 4*3 44 54 4545 4544 44 44. 44, 44545 4545 ^4 4 4 4 5 4 * 54 43_M4 554 (454 544 44 45) 4 16* $\ csi7\ 5444 <34 3.3.n-i>44 4 5 454 MCCI ^ 4 4 - 5 ^ 44 57}44. 5, 437} 4444 4^340} 1-M444 MCCI 454 4444 34555 45 (22*)4 csi^ ^-44 4544 43445 504 4445 44545 454 5 4445 44/^5^5/445^4 54) 4 ^Ai -g-g 4_f.eq csi 44 44 45444. 45 44545 454 ^ 3 34555 4154 #5 #4 4344 34545 44545 454 £ 4 26.8%7} 44340} f-^4 34555 4545 4 12%4 Csi7} 4 544.
45^-5, J5._5.3 44 3 1 * 45 (IIODIN=I)4, 44545 ^ik^ 4 445 44 (- TMFPWB/TMFPWBB),
<a5__.|f- (- TMFPH) 4 445__. (-
TMFPRB)4 5 4 4 5 Csi4 ^ 54.5444, 0 4 3.3.n-2>4 --44 44. 4554 44545 4545 ^ 4 5 ^ (44545 4 444 5 4 5 (water droplet)3 S4)4 5444 435 724445 4444 25% 4343, 45^54 5445 45 444 44 ^54 54*M 435 724445 4444 1.5* ^344. 44545 4445 43_*4 44 9% ^3 5444 4 4 5 ^ 4 45^54 4444 43 2044545 4 4 5444 447} MCCI 454 4445 43445 484444 44 3 4551- 4544 54444 %44 54454 444 43445 5344
- 168 -
^ 4 4 4 2.5% ;§5_4 4 5 -to] 3 4 ^ # _ _ * H 4 3 5 7 2 4 4 4 5 4 4 5 4 4 4 &&4. 4 4 , 4 4 5 4 5 4 4 4 4 5 4 4 ^ 5 4 454^r 4 4 5?il-4 4 4 4 4 4 5 1 ^ 4 5 4 4 4 4 4 4 ^ . 5 4 4 5 4 5 4 4 4 5 3 ^ 4 5 5-3-44.
45-5.5 -_L_5.3 4 4 3 4 Hi45 (II0DIN=0, TMFPWBB) ^ 5 4 4 4 4 3 4 4 * 5*344 <34 3.3.n-3>4 S 4 4 & 4 . 5 3 1 4 ._-_--=. ^3-4 (source)^ 4 4 5 4 5 ^ ^ 4 4 5 ^ ( 4 4 5 4 5 4 4 4 4 5 4 5 (water droplet)3 _£4)4 Csi 5 4 4 4 4 (FTMFPWB 3 ^ 4 5 4-£), 3 1 o] 4-^*}4 # £ ^ 5 J5.J5.3 ^ - 4 (FTMFPWBB 3 ^ 4 5 4-^)4 4 4 4 5 4 5 5 5 4 4 . 4 4 3 1 4 5 4 4 4 5 4 W ^ Csi4 4 4 5 4 5 5 4 5 4 5 4 4 4 4 5 4 5 4 4 / < f i 5 ^ 5 / 4 4 5 ^ 4 5 4 4 5 5 4 4 4 , 4 5 J5.J5.3 4 4 3 1 O ) i|4«f_£_i _si# j_.j_.34 554 -5 .55 4 5 4 4 4 4 ^ 4 * csi 4^-5 (-E5 4 5 4 4 4 5 ) 4 5 3 4 4 4 4l?_ 4 4 4 (feedback) <&o} 4 4 5 4 5 4 44*i Csi4 5-£(5*)4 ^ 4 * 4 4 4 4 4 5 4 4 . 5 , 4 5 4 4 4 5 4 4 3 1 5 J_.__._-. 4 4 3 4 4 5 4 4 ^ - 5 4 5 S 4 5 4 4 4 4 . 4 5 5 5 4 4 4 4 4 4 5 4 4 5 4 5 3 5 ^EI)4 J5.J5.3 4?M-5 4 5 4 4 Csi5 4 ^ S 4 5 7 } ^ * S 4 4 5 4 , 4 4 4 7}^ 4 J5.5455 5 5 MELCOR 3 3 ^ 4 4 4 4 3 4 4 4 5 4 5 4 4 5 J5~£34 5 4 ^ 4 5 4 4 4 4 5 4 4 3 4 4 ?A^ 5 4 4 .
45-5.5, J_.J_.__. 4 4 3 1 4 5 4 4 5 , 4 5 4 n 4 4 _-._-.H 44-54 4 4 * <34 3.3.n-4>44 5 4 4 .
4ȣ__. 1
2
3
4
5
6
4 4 5 i2
r I03~
CH3I
CH3
HOI
44 ^^~
^%-
^%-
^%-
^%-
^
- 169 -
7
8
9
10
11
Ag
Agl
I2
CH3I
I2
^
^
44 44
444 1-4
3 4 4 4 4 4 & r 4 4 4 135kg ^ 3 5 4 4 5 5 5 4 4 4 CH3(54) 4 (_MiccH3W)-gr 4 3 4 4 4 40445 *M--44 5 4 4 5 4 5 4 4 4 5 4 3 4 5 5 5 4 2M--44 # 5 4 4 5 * 5 1 M 4 *M_-44 5 5 4 4 5 4 __.#€ CH37} 4 4 4 4 5 4 4 4 4 ( 0 4 3.3.n-5> §__) 4 4 4 4 4 4 ^44-1454 (*_*__-44 5 5 S 4 ) 4 4 4 20% (=25kg) §3 4 - - 4 5 3 5 5 5 4 4 .
45-5-5, 4 5044^ cci 4 4 4 4 4 4 o.ikg ^ 3 5 4 4 5 5 5 4 4 4 r(24) 4 (=MIHIMW)5 cci 4 4 5 5 5 4 4 4 Csi7} 5 4 4 4 4 4 4 4 5 5 4 (34)44 4 5 5 4 4 4 4 o.i6kg4 4 4 4 * 5 4 4 , 4 ^ 0 4 3.3.n-2>4 5 5 4 4 4 csi 4 4 4 4 S-54 4 4 4 4 . 4 3 3 4 5 4 4 414 554414 c_i 4 4 44145 - M 4 (4 i.3kg)4 4 25%4 4 4 4 4 k(24)4 4 4 4 4 4 k-5-3 (i) J_444 4 25%4 4 4 4 4 .
45_5.5, 5 5 4 E | | 4 io3"(34) (=MICIO3MW) 4 HOI (64) (=MICHOIW) 4 5 4 ^ 4 5 4?_^ 5 4 4 . 5 4 4 5 4 "^ 4 3 3 4 5 4 4 4 4 4 1.2E-3 ^ 3 4 4 4 4 * 4 5 4 4 544n> H014 ^7} 4 4 ^ 5 4 3.3 4 4 4 4 4 4 5 5 4 5 4 .
45-5-5, 5 5 4 4 4 CH3I (44) (=MICCH3IW) 4 4 4 4 4 4 CH3I (104) (_MICCH3IG)3 4__. 4 4 4 4 . ^ 4 5 5 4 4 4 CH3I (44)5 4 4 4 4 5 41 4 4 4 4 4 4 i444 . 0 4 3.3.n-6>5 4 4 4 "Ai-%- 4 4 4 4 4 4 4 CH3I (104)5 4 554444 454-5-5 ity}^ 2E-5 ^ 3 4 4 4 4 5 4 4 3 o)_f 44*1 4__.*}4, .§-Aoi-Ej|<y| CH3I (44)5 4 48444 IE-5
4445 7}44 45 544 4^45 35* 5454.
- 170 -
45-5.5, 5 5 4 4 4 u (14) (=MICI_W) 4 4 4 4 4 4 u (94) (-MICI2G) 4 4 4 ^ 4 4 4 4 . ^ 4 5 5 4 4 4 b (14)5 4 4 4 4 5 4 4 4 4 4 4 4 i444 . 0 4 3.3.n-7>5 4 4 4 ^ 4 4 4 4 4 4 4 i2 (94)T_- 4 554444 454-5-5 5 4 5 4 7.5E-6 ^ 3 5 4 4 5 5 4 4 4 4 4 4 4 , 5 5 4 4 4 h 4 4 ) 5 4 48444 4 2.2E-5 ^ 3 4 4 4 4 5 4 4 4 4 5 5 4 4 4-^M44 4 554445 4 4 5 4 4 5 3 5 * 5 4 5 4 .
4 4 , 5 5 4 4 4 Ag (74) (=MICAGW) 4 Agi (84) (=MICAGIW) PWR 4 5 ( 4 4 5 5 ^ 5 5 4 ) 4 4 5 4 PHWR 4 5 Ag7} 5 4 4 4 4 ^ 3 5 . 3:4 & 4 . -£4, 4 4 4 4 4 4 4 5 4 4 4 4 4 5 4¥_4 5 4 5 4 4 4 5 54 (CH3)* 4 4 4 (545 4 4 5 4 5 4 4 4 5 5 4 douser ( 4 4 5 4 5 94 3 3 ) 4 3014 sju}) 4 4 5 4 5 4 5 5 4 4 4 4 4 5 4 1/2/3/4/6/7/84 4 4 5 4 4 4 5 4 4 5 4 5 4 4 5 5 4 ^ 4 5 7 } 5 4 4 5 basement ( 4 4 5 4 5 14 3 3 ) 4 4 4 7 } 4 S 4 5 4 4 5 5 ^ 4 .
45^-5 444 544 h (114) (=Mici2HS)-b 44 4 -^455 44 54, 444 S4# 44 4445 h 4 »A--%r*}±z 44445 444 5 4-Jo) <y}4 <l 5 J 3.3.11-8>5 upper dome ( 4 4 5 4 5 84 i - - - )4 4 5 44 (224 <a5^5)» 54445 445 4 ^ M 454 445 545 4. 5 S44 444 4455444 444 §44 h (n4) 45 5 5 4 5444 1.2E-6 34 4 4 4 * 5454 ISAAC 334 °144 345 45 45 44445 4 4 * ol-g-*_ .&._o___4 #__.4 4^: 4344 44 414 55^a 5 4 5 ^ 5 45 4^.5 4444.
444_5.5 4 5 ^ 4 5 4 , -S.J5.3 4 4 (=i)4 5 5 4 4 (NITOTWRB _ 2*I2( l4) + k ( 2 4 ) + I03"(34) + CH3I(44) + HOI (64 ) + Agl(84)), 4 4 4 E J ) (NITOTGRB - 2*I2(94) + CH3I(104)) 4 4 4 (NITOTRB = 2*(I2(14) + i 2 (94) + I 2 ( l l 4 ) ) + i"(24) + I03"(34) + CH3I(44) + HOI (64) + Agl(84) + CH3I(104)) 5 3 5 J5-J5.3 4 4 4 5 5 (g-moles of iodine atoms)54 <3^J 3.3.11-9>4 ^ 4 4 & 4 . 3 ^ 4 4 4 5 4 5 4 4554 J5-J5.3 445 55445 5444 55/44 444 44 4
- 171 -
54 44 ^445 44444 J-_^H^ 54* ^ 5 4Sd4.
444 44 J5-J5.3 44 £-1* 57}4 ^.54 44 4344* 5*,M4. 543. ISAAC J5.J5.3 44^-15 104 444 4445 4 44544 44 44 54 445^ 4 54 454 87}44 J-~£.H 4454 53 4 %4 445 54435 4# o) . > u} ]- 4JL^I^ RJ 43^4 544 44 44, 44545 45 4 4444 45<a ^454 44 4445 454 _5._3 4545 45 ^344 ^ 4 * 5 45 4^.5 44*14.
- 172 -
1.0
0.8
0 6
0.4
0.2
0.0
— MFCSIP — MFCSIPS(1)
— MFCSIPS(2)
— MFCSICT — MFCSIC
— FMFCSIC — FMFCSICM
20 \0 60
TIME HOURS
80 100
3SJ 3.3.11-1 4 4 4 i 4 Csi 5-£ [ 5 5 ]
MFCSIP : mass fraction of Csi left in fuel channel MFCSIPS(l)/(2) : mass fraction of Csi left in primary system L-l/L-2 MFCSICT : mass fraction of Csi left in calandria tank MFCSIC: mass fraction of Csi in containment (including calandria
vault) in both containment atmosphere and corium pool FMFCSIC : mass fraction of released fission product Csi in containment
excluding unreleased fission product mass from corium FMFCSICM : mass fraction of unreleased fission product Csi in corium
located in containment (- outside fuel channel)
- 173 -
100
TIME HOURS
%
3 4 3.3.11-2 J_-J5.__.44 s i 4 5 4 i 4 5 4 5 47]/<fi^-__.i-/445_^4 Csi 5 s [ 5 5 ]
- 174 -
40
TIME HOURS
60 100
%
3SJ 3.3.11-3 J_.J5.344 S-1 4 4 5 4 i 4 5 4 5 47]/^-7-^5/445^4 Csi 5 s [55]
- 175 -
(1.0E-6) 25.0
MICI2W MICIMW
5.0
- ! -
; /
i
\ )
\
\
tlH 40 60
TIME HOURS
(1.0E-4)"* MICI03MW 12.5
10.0
5.0
00 20 40 60 80 100
TIME HOURS
40 60
TIME HOURS
0.0 9 40 60
TIME HOURS
MICCH3W
60
30
(1 OE-4) *" 15.0
:
60
MICHOIW
;
/ u
—i—
i—i—
i—i—
i—i—
i—i—
i—i—
i—i—
i—
40 60
TIME HOURS
40 60
TIME HOURS
3 4 3.3.11-4 J5.J5.__- 4 4 1 - 4 ^ 3 4 4 [kg] (1/2)
- 176 -
0.6
0.4
0.2
MICAGW
4 t- -J
MICAGIW
(1.0E 100
8.0
6.0
4.0
00
0.6
0.4
0.2
40 60 TIME HOURS
6 ) " *
:
: \
I
■
- y
MICI2G
| ;
j
/ i :
-
; 20 40 60 80 100
TIME HOURS
1ICI2HS
40 60
TIME HOURS
40 60
TIME HOURS
ICCH3IG
3 4 3.3.11-4 J5.J5.__- 4 4 1 - 4 ^ 3 4 4 [kg] (2/2)
- 177 -
16.0
1,0
SO
/
1 l\ B MICCH3IW 8 MICCH3K3
20 40 60 80
TIME HOURS
3SJ 3.3.11-5 *j-*]!__44 M-54 3SJ 3.3.11-6 ^-g- 4 4 4 4 4 CH3I ^ - g - 4 4 CH3 [kg] [kg]
(1 OE 7) KG
TIME HOURS TIME HOURS
34 3.3.11-7 -g- 4 4444 12 34 3.3.11-8 444 §4S L [kg] [kg]
- 178 -
NITOTRB NITOTWRB
(1.0E-5) 20 0
160 -
40 60 TIME HOURS
NITOTGRB
-
-
/
;
40 60
TIME HOURS
3 4 3.3.H-9 J5.j_.__ 4 4 (=D4 ^-8-44, 4 4 4 4 4 4 4 * : [g-moles]
- 179 -
12. PC Version 7))4
3 ^ - 4 Workstation 4 4 4 4 - g " 4 4 4 ISAAC* PC Version_5.5 7 f l 4 4 4 4 . P C 4 4 * 4 4 - 5 . 5 4 4 ^ 3 4 4 3 4 4 # 4 4 4 4-5.4 3 ^ - 4 4 3 4 4 4 : S 4 ; . 4 l i - 4 4 4 Workstation4 PC 4 4 4 4 4 4 *J5-5 # 4 4 3 4 4 ^ 4 4 4 44_r4 4^-4 &4. 4 * s 3.3.12-144 _r DEC Alpha Workstation4 PC44 444 ^4_t 54#4. 444 444-5-^ #^5 44 *) 4^ UJ44 444343 445 #^-3444 4^ 44 (44 4 4 0.2594 m2)4 4^4 ^-f44. 4 4 5 ^4 4444-_r 34" 4*4 4*44, 4 *<Hfe 5i_.^4#44 3 4 * 4444 4 4 4 4 4 ^ 4 3 4 4 ^ 4^-444 S _ 4344. 4 3 4 4 ^ ^JSL 4 3 444 44 2% 444 441- 5 4 ^ 3 4^4 4 ^ ^ 4 4 3 444 4-_r __44 4 4 4 3 4 4 4 ^ 4 ^ 4 4 5 44S4.
S 3.3.12-1. ISAAC3__4 Workstation Version4 PC Version4 4 4 4 4 4 3
J5. 434*, 4-8-Large LOCA Initiates LOCA Signal Received Pressurizer Isolated SG MSSV Open for Crash Cooldown SG (loop 2) Dryout Fuel Channel (loop 2) Rupture due to Creep Moderator Dryout Calandria Failure
Workstation (second)
0 3.3 23.7 33.3 3,334
9,181
28,344 127,065
PC (second)
0 3.4 23.5 33.4 3,340
9,136
29,241 125,558
- 180 -
414 -4)4-i^) *)^H 4^4%* ■U
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__: 3.4.2-1. €4 2__.44 44 S5444 44 €44* £-443 Design Parameter
Power(MWth) Primary Loop Isolation during
Accidents
Coolant Inventory (103 kg)
Core Material (103 kg)
SG PHTS(RCS) ECC Tanks(SIT) Calandria Tank Calandria Vault U02 Zircaloy
Insulation Structure around the Reactor Vessel
Reactor Cavity Flooding
Containment Failure Pressure (10 Pa(g))
Wolsong 2 2,140
Isolated 2 loop 151 91 214 216 370
99(Natural) 43 No
During normal operation 0.417
KSNP 2,815
Not isolated 134 230 208 N/A N/A
86(Enriched) 20 Yes
Only after RWT water injected 1.175
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- 189 -
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- 190 -
__: 3.4.2-2. €42_^44 S5444 44 €4^44 4€43 4443 Accident Progression
SG Dry out LRV(PSV) Open Core Uncovery Start Loop 1&2 Fuel Channel Rupture Core Melt Start Corium Relocation RV(Calandria for WS-2) Dry out RV(Calandria for WS-2) Fail Containment Fail
Wolsong 2 (hours) 2.3 1.5 2.8 5.5
6.7 12.7 40.7 27.4
KSNP (hours) 1.1 0.9 1.8
2.8 4.2 4.5 4.5 >60
__. 3.4.2-3. €42_^44 ^5444 44 43 ^444€*3 4*343
Accident Progression
SG Dry out LRV(PSV) Open Core Uncovered Fuel Channel Rupture Core Melt Start Corium Relocation RV(Calandria Tank) Dry out RV(Calandria Tank) Fail Containment Fail
Wolsong 2 (hours) LOOP 1
Early 2.3
LOOP 2 0.9 1.8 2.2 3.1
2.3 9.0 35.3 24.4
KSNP (hours)
Early
0.9 1.5 1.6 2.6 >60
- 191 -
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• 34 3.6.5-54 4 * *45*# 444 # 3 * 4 * 3J% 3-BH4 4€ 3-EH4 3*4 444 75%4 4 5 3 ^ *#4 4^*4. 4€ 3*44 3*. 4€ * 4 4 *7}4* 4**3 4 ^ * 34 3,6,5-4a4 3.6.5-4b # * * cci 444-5. 7}44 ^4440): 44, gof -£/ /_£ /#-# 7}$ # 4 ic/ uj &s */#*^ 4-^4 ^m^M x ^# -5* /#-£/_r
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ncci4 4 * 4 € * 4 * *45*# 444 ^ 3 4 5 E}€4I €444. € 4 ncci 4 SH4 4 4 4 * €3 2:__44 44 ISAAC 3 3 #4 € 4 * 4 * 444. #4 €4, ncci 4 * C02 * * 4 * * 7}_ _i 3444 SBO 4 3 444-5-4 44 13.04 lbm-mole* 44-5-4 44 4 € * 4 * SBO 4 3 4 44-5-41 44 4 H4 T * 44444. 4 * * 3*4 44 # 4*£7} 4 3 4 4 4 * €*4i4l 4 * € 4 * 44 4 4 * cci 444-5-7} £ * 4 * 44 44444.
_1 T
M
nCCI
SH
Volume
T l
PI
Pfail
#
94,923
13.04
114
1,715,000
105
14.6
58.9
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lbm-mole
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ft3
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psia
psia
_1 T € *_
x | e s ^ - ^
244 # 4 c c i ^ iHl^_. w.<£^4 4-§*-_ 7}i cci 444-°-# € * _ % : 4 1 ^ €4s. ;?l _r ^ £7] ^ 4 _ i ^ l _f £_E
2:7] 41 ^ <£_j
5%4 3 _ 4 ^ _ . # £-_- 7}|_-^ ^ # ^ - 3 . 6 psi
4. 4344 34
44 1-3 : 4 4 3 4 * 3-4 # AJ4
i. s 4 3*44 4 * ^4 *45*# *3(TI, °F)» 4*44 *4£44 3.7] #4 #*(Psl, psia)* 4^4.
2. 3.7] -7) #*(Pal, psia)* 4^4-pal - Pl-Psl 444 PI : -M *45*# €4
Psi: 3L7] # 4 # € ( P - i a )
3. #714 3.7] * * # **B}.(nair, lbm-moles) nair=l.1*(1-vent)*(Pal* Volume)/R*(Tl+459.67)
- 317 -
4 4 * Volume : * * 5 * # 4 4 R : 43*441 **( 10. 729psi-ft3/lbm-mole °R) Tl : 3.7] * * 5 * # *3(°F)
vent : a(7l # # (- 0: 44 4#, 3 4 3.6.5-la4 3.6.5-lb, 3.6.5-4a4 3.6.5-4b) (- 0.15 : 47l 15%, 3 4 3.6.5-2a, 3.6.5-2b) (- 0.30 : 4 4 30%, 3 4 3.6.5-3a, 3.6.5-3b)
37\ * 4 5 * # € 4 ( P , psia)44#4 *4i #*4i 3 4 4 # # 4 3 € € * 4 * 4 4 4 4 4 4 4 * 4 * 4 4 # 4 4 *E}. 3 4 4 # 4 * £ 4 4 35} 4 4 ^ oj-^^. P f a i l a -nfe 4^ 44 44444.
44 4-9 : *__. 4*4 44(*_h *4_h 3 4 44)
4. £ 4 3*441 4 * * 4 5 * # #3(Tinert,°F)* 4 * 4 4 # 4 ^ 4 4 # 4 # * (PSinert, psia)* * ^ E } . Tinert 7j* #44014, 4 4 8 4 4 4_i 4 4 * E } . 4 € *Bi|(35l 3.6.5-4a4 3.6.5-4b)* 4 4 4 € # 3 (SH, °F)# £ 4 * 3 4 7}**E}.
5. 4 € 3 *Bl)4 -71 #4(Painert, psia)* # * * . Painert = (nair+nCCI)*R*(Tinert+SH+459.67)/Volume 4 4 4 nCCI : CCI7} € 4 4 * 244* * * 3 # * 47}*#, 4 *
* 3 7}__.(35l 3.6.5-4a 5E^ 3.6.5-4b4 4*)
6. 4%# 4E1J4 #4i #€(PHinert, psia)* # * * . P - Painert + PSinert + PHinert (44 5xPHinert > 2 * Painert 4 * *-*i4 ***4i# 4 * *4i7} * * * 3-B)l4. 4 4 * # 4 # 4 *-*i* 20% 4 * * 4 4 * 4 * E } . )
7. 4 € 3 4 4 * 4 * * - - *###(fHiwet)# ^-44. fHiwet - PHinert/P
8. #44 *-^4 *#4 44*3 3-BH4 44 44 44 444 7\^AA * *5*# *3(Tinert)7} 4*4 €3*4. *4 #4* 4€3 **5
- 318 -
* # # 3 * 4 4 * 4 45 4 * * 7 } 4 5 * y\^-jr 4 E } . (PSinert/P)100=100-fHinert x 100-37. 3eM7xfHlwe t ,-518eM88xfHiwe t )
4 3*344 4^-* -t-fc *#*#(fHiwetxioo)4 * 4 5 * # 44(P)4 4 4 4 *-ii #*4i 3 4 * € 3 4 4 4 4 4 3 £ * 3 * 4 . (34 3.6.5-la, 3.6.5-2a4 4 # )
9. 4 € 3 *Bl)* 4 * *_h * _ * # # ( fHidry)* - ? -*E} .
fHidry = PHinert/(P-PSinert) # 4 i # * 4 i 3 4 * € 3 4 4 4 4 4 * 4 i * _ * # # ( fHidry x 100)4 * 4 5 * # * 4 ( P ) 4 4 4 4 3 £ # 3 4 4 . ( 3 4 3.6.5-lb, 3.6.5-2b4 4*)
* 4 10-22 : * 4 5 * * * * - * € 3 ( * - i i 4 ^ 4 * - ^ * B H 3 * 3 4 441
10. * 4 5 * # * 4 4 * 4 * Margin = Pfail/P 4 4 * Pfail : * * 5 * # * * 4 * 3 5%4 * 4 -3.6psi(psia)
11. £ * 4 4 4 4 * * 4 5 * * *3(Tfai i ,°F)# 4 * 4 4 # 4 £ 4 4 # 4 #€(PSfail ,psia)# * # * . Tfail 4 * # 3 4 4 4 , * 4 20* 4 * * 4 * * E } . 4€3-B))(35i 3.6.5-2a4 3.6.5-2b)* 4 4 4 € *3(SH. °F)# £ 4 * 3 4 7 } * * E } .
12. * 4 5 * # 4 * 4 € * 4 * 4 4 4 # 4 # 4 ( P a f a i i , P s i a ) * -7-44. Pafail - (nair+nCCI)xRx(Tfail+SH+459.67)/Volume 4 4 4 nCCi4 SH^ 3 4 3.6.5-4a, 3.6.5-4b4* 4 # 7 } ^ 4 E } .
13. * * 3*B1)4 *_h #*(PHfail, psia)* # * E } . P - Pafail + PSfail + PHfail
14. * * 5 4 * 4 * 7}4-°-* # #*(#4i *4i € 4 * ) * 4**4 (npre, lbm- moles).
- 319 -
npre = (Px\/olume)/(R x (Tfail+SH+459.67)) (4 4444 4#* #4* *4 224 4 * * 33* #4 4*4. 44 -f-47} £ * 4 * 4 * 44 14-2244 4 * 4 * 4*4 #44 4 441- #4*4)
15. * _ h * *_h # * # 4**E}(nHfai l , lbm-moles) nHfail = PHfail/P x npre
16. * _ h * # 7 l # * # 4**E}(nSfa i l , lbm-moles) nSfail - PSfail/P x npre
17. *__. * _ _ * 4 # # # # 4**E}(npos t , lbm-moles) npost = npre - 0,5 x nHfail
18. # 4 4 I " * * 4 4 4 4*(- team, BTU/°F) steam = (nSfail + nHfail) xCvsXl8 lbm/lbm-mole of water 4 4 4 Cvs : # 4 4€(0.38 BTU/lbm°F)
19. # 4 4 1 " * * 4 4 4 4 * ( a i r , BTU/°F) air - (nair-0.5xnHfail)xCvax28 lbm/lbm-mole of a ir 4 4 4 Cva : # 4 4 4 € ( 0 . 1 7 BTU/lbm°F)
2 0 . * 4 H 4 4 7 } 4 * * 4 5 * # # 3 ( T f a i l ) 7 } 4 * 4 € 3 4 3 , * 4 * 4 * * 4 5 * # # 3 # 4 4 * 4 115 4 * * 7 } 4 5 * 7 } 4 # * E } .
MarginXnpre/npostx(Tfai1+459. 67) -(QrXnHfail)/(steam+air)+(Tfail+459.67) 4 4 4 Qr : # 4 i * 4 i 4 * * € ( 103000 BTU/lbm)
21. * * 5 * # * * * _ & 4 4 * * 4 r * # # # ( fHfwet)* * * E } . fHfwet - PHfail/P * 4 fHfwet < 0.06 4 * . fHwet - 0.06 i5.5 * E } * 4 fHfwet > fHiwet 4 * ^_s ^ 4 3 4 3 4 * € 3 4 7 1 4 4 4 # 4 i * * # # ( fHfwet x ioo) 4 * 4 5 * # 4 4 ( P ) 4 4 * M __.__.# 3 * E } . ( 3 3 3.6.5-la,3.6.5-2a4 4 # )
- 320 -
22. * 4 5 * # * 4 * _ & 4 4 * *_h * _ * # # ( fHfdry)* # * 4 . * 4 fHfwet > 0.064* fHfdry = PHfail(P-PSfail)
* 4 fHfwet < 0.06 4 * fHfdry = 0.06xP/(P-PSfail)
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Accident Source Term Applications using MELCOR
MELCOR Aerosol Model Evaluation with KAEVER Experiments
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*II6& 9i^-n^3[7go\\A-\ ^-goh 3}oh7|^ g a
1. KAERI, "*#_£#*4 # 4 4 3 * 4 4^4 7j)€," RR-1939/98, 1999. 2. FAI, "MAAP4-CANDU-Modular Accident Analysis Program for CANDU Power
Plant," April 1998. 3. 4*4 4, "7}*##53 *44€*-^4 2*4 PSA* 4 * **33
7l)€," KAERI/RR-1573/95, 1995. 4. * * * 4 * * * , "7}*##5** 2*4 4**4 **334," 1997.8 5. WOG, "Westinghouse Owners Group Standard Severe Accident Management
Guidance," 0G-94-39, 1994. 6. CEOG, "Generic Accident Management Guidance," CE0G-95-298, 1995 7. NRC, "Identification and evaluation of PWR in-vessel severe
accidentmanagement strategies, " NUREG/CR-5856, 1992 8. 44€ 4, "ISAAC 331- 4 # * €3€*-^ 343," KAERI/TR-
2401/2003, 2003. 9. # * * 4, "ISAAC 3 3 4 / # 4 € / * € 3 4 # € A . 3 * 3** s.€ 3
7}," KAERI/TR-2417/2003, 2003. 10. Hanna, B.N., Editor, "CATHENA M0D-3.2n Theoretical Manual",
AECL-WL Report: THB-CD—002, November, 1989. 11. Bowslaugh, D., "CHAN-IIA MOD 2.0: Prediction of CANDU Fuel Channel
Behaviour Under Prolonged Low Flows - Program Description", TTR-=490, October 1993.
12. 44€ 4, "ISAAC ii4€*€/4**3/44^**€/4***€#/4 # # 4 ^ 4 4 3 € 3 7 } , " KAERI/TR-2429/2003, 2003.
13. 44€ 4, "€3€*4i4 43 444 4443444 4*#4444 4 4 4 * * € # 4 33*," KAERI/TR-2350/2002, 2002.
14. KEPC0, "*4 3,4__.7l 4 * * * 3 * 4 5 3 4 , " 1998. 15. * 4 € 4, " # * 5 * * # 4 * 3 4 4 3 H (ISAAC) # # # 3€,"
KAERI/TR-2931/2005, 2005. 16. Industry Degraded Core Rulemaking Program, "Analysis of In-Vessel
Core Melt Progression," IDCOR Report 15.1, 1983. 17. USNRC, "Technical Bases for Estimating Fission Product Behavior
During LWR Accidents," NUREG-0772, 1981. 18. Kelly, J. L. , Reynolds, A. B., and McGown, M. E. , "Temperature
- 345 -
Dependence of Fission Product Release Rates," Technical Notes, Nuclear Science and Engineering: Vol. 88, pp. 184, 1984.
19. * # * 4, "ISAAC2.O **33 7j|* 4.*4 44€3 4#€A<§3* 3 * 4 * 3 4 37}," KAERI/TR-2748/2004, 2004.
20. * # * 4, "MELCOR 1.8.5 4 # € 4 3 # 3 * 4 * 3 4 37}," KAERI/TR-2746/2004, 2004.
21. * # * 4 , "ISAAC 4 # € A < § 3 * 4 * 4 4 4 3 4 37}," KAERI/TR-2739/2004, 2004.
22. 4 4 € 4 , " # # 5 * * # 4 * 3 4 4 3 - H (ISAAC) 4 4 # 4 4 4 4 3 € 7| |*," 2004 * 4 4 * € - £ 4 ^ # € * * * 4 4 4 4 , 2004.
23. 4 4 € 4 , "Improvement of Local Air Coolers Model in ISAAC," KAERI/TR-2707/2004, 2004.
24. 44€ 4, "ISAAC4 4#* €*34°}* 4*3€4 *4i434 44 j= < *_>jg _. o o o
7}," KAERI/TR-2557/2003, 2003. 25. Sandia National Laboratories, "MELCOR 1.8.0: A Computer Code for
Severe Nuclear Reactor Accident Source Term and Risk Assessment Analyses, The Users' Guide and Reference Manual," page RN-UG-37, 1990.
26. USNRC, "A Summary of ORNL Fission Product Release Tests With Recommended Release Rates and Diffusion Coefficients," NUREG/CR-6261, 1995.
27. USNRC, "Accident Source Terms for Light Nuclear Power Plants," NUREG-1465, 1995.
28. Osetek, D. J., "Low Volatile Fission Product Release During Severe Reactor Accidents," D0E/ID-13177-2, 1992.
29. Dr. J.C. Wren, "Preliminary Proposal to OECD/CSNI for Establishment of an International Centre of Excellence on Containment Iodine Chemistry and Fission Product Behaviour," 2003.
30. * # * 4, "ISAAC 2.0 * * 3 3 4 _a.___.3 4 4 3 4 37}," KAERI/TR-TBD (To Be Published)/2005, 2005.
31. * * * , " € 3 i ^ 4 4 * * 4 * * 3 37}," 2003,12. 32. EPRI Report TR-101869, "Severe Accident Management Guidance
Technical Basis Report Volumes 1 and 2", 1993.
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33. AECL 86-68460-DM-001, "Design Manual Hydrogen Control System Wolsong NPP 2,3,4" 1997.4.
34. Thompson, R. T. , et. al., "Large-Scale Hydrogen Combustion Experiments, Volume II, Data Plots," EPRI Report NP-3878, Volume II., 1988.
35. * * * 4 # 4 , "€3 2,3,4___4 4 * * * 3 * 4 5 3 4 , " 1995. 36. 99NE15-SA-AMG07, " 4 * * # 4 4 4 *-^33* 4*4*-^*(CA-07) 4
* 4 " , KEPRI, 2001. 37. 99NE15-SA-AMG02, " 4 * 4 * 4 *__7}*3 4***3#(CA-02) 4 *
4", KEPRI, 2001. 38. 99NE15-SA-AMG06, " 4 * 4 * 4 4 * 4 4 * 4***3#(CA-06) 4 *
4", KEPRI, 2001. 39. Hydrogen Source from RCS : TG on DCC, 0ECD/CSNI/PWG2 Draft, 1999. 40. 99NE15-SA-AMG02, " 4 * 4 * 4 *__.7}*3 4*4*__.#(CA-02) 4 *
4", KEPRI, 2001.
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BIBLIOGRAPHIC INFORMATION SHEET
Performing Org. Report No.
Sponsoring Org. Report No. Standard Report No. IMS Subject Code
K AERI/RR -25 3 3/2004
Title / Subtitle Improvement of Severe Accident Analysis Computer Code and Development of Accident Management Guidance for Heavy Water Reactor
Project Manager and Department Soo Yang Park (Thermal Hydraulic Safety Research Division)
Researcher and Department
Ko Ryu Kim, Dong Ha Kim, See Darl Kim, Yang Mann Song, Young Choi (Thermal Hydraulic Safety Research Team) Young Ho Jin (Integrated Safety Assessment Team)
Publication Place Daejeon Publisher KAERI Publication
Date 2005. 3
Page 347 p. 111. & Tab. Yes( O ), No ( ) Size 21x29.7Cm.
Note
Classified Open( O ), Restricted( ), Class Document Report Type RR
Sponsoring Org. MOST Contract No.
Abstract (15-20 Lines) The objective of the project is to develop a generic severe accident management guidance(SAMG) applicable to Korean PHWR and the objective of this 3 year continued phase is to construct a base of the generic SAMG. Another objective is to improve a domestic computer
code, ISAAC (Integrated Severe Accident Analysis code for CANDU), which still has many deficiencies to be improved in order to apply for the SAMG development. The scope and contents performed in this Phase-2 are as follows: (1) The characteristics of major design and operation for the domestic Wolsong NPP are analyzed from the severe accident aspects. On the basis, preUminary strategies for SAM of PHWR are selected. (2) The information needed for SAM and the methods to get that information are analyzed. (3) Both the individual strategies applicable for accident mitigation under PHWR severe accident conditions and the technical background for those strategies are developed. (4) A new version of ISAAC 2.0 has been developed after analyzing and modifying the existing models of ISAAC 1.0. The general SAMG applicable for PHWRs confirms severe accident management techniques for emergencies, provides the base technique to develop the plant specific SAMG by utility company and finally contributes to the public safety enhancement as a NPP safety assuring step. The ISAAC code will be used inevitably for the PSA, living PSA, severe accident analysis, SAM program development and operator training in PHWR.
Subject Keywords (About 10 words)
ISevere Accident Management, Severe Accident Analysis, Heavy Water Reactor Safety, Severe Accident Computer Code, Accident Management Guidance
