7/26/2019 TRI BAGUS

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Tri Bagus Iman Santoso 2G / 1331210207

1. Data tekan atmosfer (Pa) pada beberapa

ketinggian (meter):

Data berat jenis (N/m3) pada

beberapa suhu (oC):

Pa

0 1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

0 51.01410

152.4 49.92810

304.8 49.79110

457.2 49.58410

609.6 49.44610

762 49.23910

914.4 49.10110

31.06710 48.89410

31.21910 48.75610

31.37210 48.54910

31.52410 48.41210

31.67610 48.27410

31.82910 48.13610

31.98110 47.92910

32.13410 47.79110

32.28610 47.65310

32.43810 47.51510

32.59110 47.37710

32.74310 47.23910

32.89610 47.10210

33.04810 46.96410

34.57210 45.72310

0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 39.80610

5 39.80710

10 39.80410

20 39.78910

30 39.76510

40 39.73110

50 39.6910

60 39.64210

70 39.58910

80 39.5310

90 39.46710

100 39.39910

data csort 0( )

suhu 0

specific_weight 1

x( ) linterp suhu specific_weight x( )

data csort Pa 0( )

altitude Pa0

Tekanan_atmosfer Pa1

Pa x( ) linterp altitude Tekanan_atmosfer x( )

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Pv 0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 610.5

5 872.2

10 31.22810

20 32.33810

30 34.24310

40 37.37610

50 41.23310

60 41.99210

70 43.11610

80 44.73410

90 47.0110

100 41.01310

Tekanan uap fluida cair pada beberapa suhu

(N/m2 abs):

data csort Pv 0( )

suhu Pv0

Tekanan_uap Pv1

Pv x( ) linterp suhu Tekanan_uap x( )

Pa 200( ) 9.885 104

Pv 35( ) 5.809 103

35( ) 9.748 103

Q 0.03 D 0.1023 A

4D

28.219 10

3 g 9.81

t 35 KL 1.6 V Q

A3.65 hL KL

V2

2 g 1.086 NPSHR 4.5m

Z1maxPa 200( )

35( )hL

Pv 35( )

35( ) 4.5 3.959

Jadi Z1max= 3.959

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7/26/2019 TRI BAGUS

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2. Data tekanan atmosfer (Patm)

pada beberapa suhu (oC):

Data weight specific (N/m3) pada

beberapa suhu (oC):

Patm0 1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

0 51.01410

152.4 49.92810

304.8 49.79110

457.2 49.58410

609.6 49.44610

762 49.23910

914.4 49.10110

31.06710 48.89410

31.21910 48.75610

31.37210 48.54910

31.52410 48.41210

31.67610 48.27410

31.82910 48.13610

31.98110 47.92910

32.13410 47.79110

32.28610 47.65310

32.43810 47.51510

32.59110 47.37710

32.74310 47.23910

32.89610 47.10210

33.04810 46.96410

34.57210 45.72310

0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 39.80610

5 39.80710

10 39.80410

20 39.78910

30 39.76510

40 39.73110

50 39.6910

60 39.64210

70 39.58910

80 39.5310

90 39.46710

100 39.39910

data csort 0( )

suhu 0

weight_specific 1

x( ) linterp suhu weight_specific x( )

data csort Patm 0

suhu Patm0

tekanan_atmosfer Patm1

Patmx( ) linterp suhu tekanan_atmosfer x( )

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Data tekanan uap (N/m2) pada

beberapa suhu (oC):

Pv0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 610.5

5 872.2

10 31.22810

20 32.33810

30 34.24310

40 37.37610

50 41.23310

60 41.99210

70 43.11610

80 44.73410

90 47.0110

100 41.01310

data csort Pv 0( )

suhu Pv0

tekanan_uap Pv1

Pv x( ) linterp suhu tekanan_uap x( )

20( ) 9.789 103

Pv 20( ) 2.338 103

Patm2.21( ) 1.013 105

t 20 h 2.21m hl 2.1336m NPSHR 4m

NPSHA

Patm2.21( )

20( )2.21 2.1336

Pv 20( )

20( ) 5.768

Jadi nilai NPSHA = 5.768

Jika pompa memilikiNPSHR 4m=maka pompa dapat digunakan

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7/26/2019 TRI BAGUS

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3. Data tekan atmosfer (Pa) pada beberapa

ketinggian (meter):

Data berat jenis (N/m3) pada

beberapa suhu (oC):

Pa0 1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

0 51.01410

152.4 49.92810

304.8 49.79110

457.2 49.58410

609.6 49.44610

762 49.23910

914.4 49.10110

31.06710 48.89410

31.21910 48.75610

31.37210 48.54910

31.52410 48.41210

31.67610 48.27410

31.82910 48.13610

31.98110 47.92910

32.13410 47.79110

32.28610 47.65310

32.43810 47.51510

32.59110 47.37710

32.74310 47.23910

32.89610 47.10210

33.04810 46.96410

34.57210 45.72310

0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 39.80610

5 39.80710

10 39.80410

20 39.78910

30 39.76510

40 39.73110

50 39.6910

60 39.64210

70 39.58910

80 39.5310

90 39.46710

100 39.39910

data csort 0( )

suhu 0

specific_weight 1

x( ) linterp suhu specific_weight x( )

data csort Pa 0( )

altitude Pa0

Tekanan_atmosfer Pa1

Pa x( ) linterp altitude Tekanan_atmosfer x( )

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7/26/2019 TRI BAGUS

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Tekanan uap fluida cair pada beberapa suhu

(N/m2 abs):

Pv

0 1

0

1

2

3

4

5

6

7

8

9

10

11

0 610.5

5 872.2

10 31.22810

20 32.33810

30 34.24310

40 37.37610

50 41.23310

60 41.99210

70 43.11610

80 44.73410

90 47.0110

100 41.01310

data csort Pv 0( )

suhu Pv0

Tekanan_uap Pv1

Pv x( ) linterp suhu Tekanan_uap x( )

Pa 152.4( ) 9.928 104

Pv 27( ) 3.671 103

27( ) 9.772 103

Q 0.028 D 0.1 A

4D

27.854 10

3 g 9.81

t 27 KL 2 VQ

A

3.565 h

L

K

L

V2

2 g

1.296 NPSH

R

4.57m

Z1maxPa 152.4( )

27( )hL

Pv 27( )

27( ) 4.57 3.919

Jadi Z1max = 3.919

Tugas Mesin - Mesin Fluida