Perhitungan Flowmeter

8/18/2019 Perhitungan Flowmeter

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2/22

2 10 2.6 27.84

3 10 24.04 3.67

4 10 1.48 57.07

5 10 13.63 143.65

*=#+4,d-2


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17 mm smooth &o!e #e

No Volume (m3) Waktu (s) Head (mmH2O) Q (m3/s)

1 0.01 57.76 52.77 0.0001731302

2 0.01 36.1 141.18 0.0002770083

3 0.01 22.37 25.21 0.0004470273

4 0.01 18.1 52.36 0.0005524862

5 0.01 13.5 812.27 0.000716845

17 mm a!#t#/al !ouhe"ed #e


1 0.01 36.4 162.1 0.0002747253

2 0.01 24.54 387.71 0.00040748

3 0.01 17.57 75.2 0.00056152

4 0.01 15.81 865.88 0.0006325111

5 0.01 13.6 32.64 0.0007304602

u"l#"e$%$st!a#"e!


1 0.01 41.72 11.41 0.00023632

2 0.01 35.54 223.22 0.0002813731

3 0.01 26.54 30.42 0.000376788

4 0.01 1.61 722.4 0.0005043

5 0.01 15.3 1073.8 0.000653548

45 el&o'

No Volume (m3) Waktu (s) Head (mmH2O) Q (m3/s)1 0.01 58.82 8.02 0.0001700102

2 0.01 42.5 .44 0.000232828

3 0.01 32.4 12.08 0.000308642

4 0.01 24.06 17.57 0.0004156276

5 0.01 1.04 20.03 0.0005252101

e"tu!%


1 0.01 53.66 37.26 0.0001863586

2 0.01 40.53 72.63 0.00024673083 0.01 31.36 132.85 0.0003188776

4 0.01 26.46 176.82 0.00037728

5 0.01 21.66 276.22 0.0004616805

#tot

No Volume (m3) Waktu (s) Head (mmH2O) h (mh2o)

1 0.01 37.1 13.2 0.0132


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2 0.01 2.6 27.84 0.02784

3 0.01 24.04 3.67 0.0367

4 0.01 1.48 57.07 0.05707

5 0.01 13.63 143.65 0.14365

#a (mm)ɛ d (mm) (k+m-3)

17 mm halus 0.0015 17 8.2071

17mm kasa! 0.046 17

u"l#"e % st!a#"e! 0.0015 25

45 el&o' 0.0015 25

e"tu!# 0.0015

#tot 0.0015 38


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A (m2) u (m/s) relative roughness Reynold

0.000226865 0.76314128 8.8235241176471$005 12501.5277402

0.000226865 1.2210270877 8.8235241176471$005 207202.44438547

0.000226865 1.70454784 8.8235241176471$005 334376.76543525

0.000226865 2.435308164 8.8235241176471$005 413260.1231015

0.000226865 3.1570528 8.8235241176471$005 536201.307726707

A (m2) u (m/s) relative roughness Reynold

0.000226865 1.210636776 0.0027058824 20544.73144713

0.000226865 1.76213442 0.0027058824 304808.81184534

0.000226865 2.50876372 0.0027058824 425726.1378343

0.000226865 2.788050465 0.0027058824 473118.8003533

0.000226865 3.21801158 0.0027058824 546384.824162715

h (mH2O) g (m/s2) A (m2) u (m/s)

0.1141 .8 0.00040625 0.4885466348

0.22322 .8 0.00040625 0.57343136

0.3042 .8 0.00040625 0.7677111

0.7224 .8 0.00040625 1.033761145

1.0738 .8 0.00040625 1.3321676866

h (mH2O) g (m/s2) A (m2) u (m/s)0.00802 .8 0.00040625 0.3465176063

0.0044 .8 0.00040625 0.4745556602

0.01208 .8 0.00040625 0.62071853

0.01757 .8 0.00040625 0.847130526

0.02003 .8 0.00040625 1.0704181

!d d" (m) d2 (m) A" (m2)

0.8 0.01 0.038 0.000283385

0.8 0.01 0.038 0.0002833850.8 0.01 0.038 0.000283385

0.8 0.01 0.038 0.000283385

0.8 0.01 0.038 0.000283385

Q #raktek (m3/s) A (m2) g (m/s2) u (m/s)

0.000268885 0.00113354 .8 0.5103763317


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0.0003337784 0.00113354 .8 0.738607337

0.000415734 0.00113354 .8 0.881777748

0.000513347 0.00113354 .8 1.0576256427

0.0007336757 0.00113354 .8 1.67757012

#sko (Ns+m-2)

0.0001


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nilai gesekan #i#a$ % h (mh2o) h (mmh2o) & error

1.85$02 0.000874853 0.874853366 8.22508307

1.75$02 0.00217336 2.17336863 8.4605681426

1.55$02 0.0050131388 5.0131388367 8.301837626

1.50$02 0.007410442 7.410441868 8.60011261

1.45$02 0.01205508 12.05507851 8.5153325883

nilai gesekan #i#a$ % h (mh2o) h (mmh2o) & error

2.4500 0.2276846 2.27684628 45.8060564861

2.4300 0.6530811656 653.081165637 40.63371824

2.4201 12.687661544 12687.661544332 4.010562612

2.4000 1.554023222 1554.0232220358 44.28138056

2.4000 2.07254531 2072.545310435 55.001328716

k

15.718411067

13.30216847

12.744606647

13.1081815342

11.85371627

k 1.301211163

0.821587362

0.58208683

0.478642842

0.342586503

A2 (m2) g (m/s2) delta h (mh2o) ("'(a"/a2))'"/2

0.00113354 .8 0.03726 1.0000003614

0.00113354 .8 0.07263 1.00000036140.00113354 .8 0.13285 1.0000003614

0.00113354 .8 0.17682 1.0000003614

0.00113354 .8 0.27622 1.0000003614

Q teori (m3/s) & error

0.000578532 53.5221055316

0.0002 0.00025 0.0000

5

10

15

20

k


8/22

0.0008373355 60.138036252

0.0005304 58.3831168805

0.00118861 57.180437513

0.001020315 61.426731228


9/22

loh lou

1.722387042 $0.117346841

2.147731776 0.086725286

2.4701310648 0.245665164

2.7237511216 0.386553256

2.07004135 0.465822

2.2100240738 0.0831311168

2.5885070027 0.254357421

2.8807678747 0.346073

2.374577085 0.4453006306

2.6714038 0.507820524

(2gh)*+ Q (m3/s) & ,rror

0.854573577 0.00023733 21.4770188415

1.131253078 0.0003313517 25.53807710181.613648040 0.0004481381 28.84315155

1.8616315425 0.0005170075 26.00674827

2.326781468 0.0006461877 28.5531871444

3 0.00035 0.0004 0.00045 0.0005 0.00055 0.0006 0.00065 0.0007

k vs Q (Unline-Y-Strainer)

k vs Q

Q (m3/s)

0.00015 0.00020

0.2

0.4

0.6

0.8

1

1.2

1.4

k


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0.00025 0.0003 0.00035 0.0004 0.00045 0.0005 0.00055

k vs Q (45o l!o")

0 100 200 3000

0.5

1

1.52

2.5

3

3.5

& (m/s)

100 200 300 400

0

0.5

1

1.5

2

2.5

3

3.5

% *r

& (m/s)


12/22

k vs Q (45 el!o")

Q (m3/s)


13/22

400 500 600 700 800 #00

% vs &

$% vs &

$' (mm2)

1.6 1.8

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

+(,)

,is itle

500 600 700 800 #00 1000

ktek vs &

*raktek vs &

% 2.10

0.1

0.2

0.3

0.4

0.5

0.6

& (m/s)


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2 2.2 2.4 2.6 2.8 3

0.5205536387, - 1.0167814358

.##54037817

0o1 % *raktek vs 0o1 & (

%

2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.# 3 3.1

+(,) 0.52467#635, - 1.0876#30011

0.#78#634712

lo1 % *raktek vs &

%


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17/22

No Volume (m3) Waktu (s) ead (mmH2O) Q (m3/s) A (m2)

1 0.01 57.76 52.77 0.000173 0.000227

2 0.01 36.1 141.18 0.000277 0.000227

3 0.01 22.37 25.21 0.000447 0.000227

4 0.01 18.1 52.36 0.000552 0.0002275 0.01 13.5 812.27 0.000717 0.000227

No Q (m3/s) A (m2) u (m/s) r Re

1 0.000173 0.000227 0.7631 8.82$05 12501.53

2 0.000277 0.000227 1.221 8.82$05 207202.44

3 0.000447 0.000227 1.705 8.82$05 334376.77

4 0.000552 0.000227 2.4353 8.82$05 413260.12

5 0.000717 0.000227 3.158 8.82$05 536201.31

No Q (m3/s) A (m2) u (m/s) relative roughness Reynold

1 0.000275 0.000226865 1.211 0.002706 20544.73

2 0.000407 0.000226865 1.76 0.002706 304808.81

3 0.00056 0.000226865 2.50 0.002706 425726.14

4 0.000633 0.000226865 2.788 0.002706 473118.80

5 0.000730 0.000226865 3.220 0.002706 546384.82

No Q (m3/s) A (m2) u (m/s) k

1 0.0002363 0.00040625 0.488546635 15.718411072 0.000281373 0.00040625 0.5734314 13.3021685

3 0.0003767 0.00040625 0.7677111 12.7446066

4 0.0005044 0.00040625 1.03376114 13.10818153

5 0.00065355 0.00040625 1.332167687 11.853716

No Q (m3/s) A (m2) u (m/s) k

1 0.00017001 0.00040625 0.346517606 1.30121116

2 0.00023282 0.00040625 0.47455566 0.821587362

3 0.000308642 0.00040625 0.6207185 0.5820868

4 0.000415628 0.00040625 0.84713053 0.478642845 0.00052521 0.00040625 1.0704181 0.34258650

No A" (m2) A2 (m2) delta h (mh2o) Q (m3/s) & ,rror

1 0.000283385 0.00113354 0.03726 0.0002373 21.47701

2 0.000283385 0.00113354 0.07263 0.0003314 25.538077

3 0.000283385 0.00113354 0.13285 0.0004481 28.84316

4 0.000283385 0.00113354 0.17682 0.000517 26.0067


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5 0.000283385 0.00113354 0.27622 0.0006462 28.553187

No Q #raktek (m3/s) A (m2) u (m/s) Q teori (m3/s) & error

1 0.00026888 0.00113354 0.510376332 0.000578532 53.52210553

2 0.000333778 0.00113354 0.73860734 0.000837335 60.13803625

3 0.00041573 0.00113354 0.88177775 0.00053 58.38311688

4 0.000513347 0.00113354 1.057625643 0.00118861 57.18043751

5 0.000733676 0.00113354 1.6775701 0.00102031 61.42673123


19/22

u (m/s) relative roughness Reynold nilai gesekan #i#a$ %

0.7631 8.82$05 12501.53 2.80$02

1.2210 8.82$05 207202.44 2.80$02

1.705 8.82$05 334376.77 2.80$02

2.4353 8.82$05 413260.12 2.80$023.158 8.82$05 536201.31 2.80$02

% & error

2.80$02 0.00136 1.3584 7.43

2.80$02 0.00348 3.4774 7.54

2.80$02 0.0006 .056 6.3

2.80$02 0.01383 13.8328 7.3

2.80$02 0.0232 23.2873 7.13

ilai gesekan #i#a$ h (mh2o) h (mmh2o) & error

2.60$02 0.00318 3.1760 8.04

2.60$02 0.006 6.877 8.20

2.60$02 0.01363 13.6314 8.21

2.60$02 0.01684 16.8353 8.06

2.60$02 0.02245 22.4531 7.5

H (mH2O) H (mmH

2O)


20/22

1.85$02 98.30

1.75$02 #8.46

1.55$02 #8.30

1.50$02 #8.60

1.45$02 #8.52


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h (mh2o) h (mmh2o) & error

0.00136 1.3584 7.43

0.00348 3.4774 7.54

0.0006 .0560 6.3

0.01383 13.8328 7.30.0232 23.2873 7.13


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