Prosedur Pemilihan Pompa1. Friction Loss akibat Panjang Pipa

eps =Section Flow Diameter

(USGal/min) (in)L1 500 6L2 500 6L3 500 6L4 500 6L5 500 4L6 400 4

L7 400 4

2. Friction Loss akibat Fitting

Section Flow Tipe Fitting(USGal/min) (Entrance, Butterfly, Elbows, Tee, Pipe Exit)

L1 500 EntranceL1 500 ButterflyL2 500 ButterflyL3 500 ButterflyL3 500 ElbowsL4 500 ElbowsL4 500 ButterflyL5 500 ElbowsL5 500 TeeL6 400 Elbows

L7 400 Pipe Exit

3. Friction Loss akibat Peralatan

Section Flow Tipe Alat(USGal/min) (Filter, HE, Control Valve)

L2 500 FilterL3 500 HEL7 400 Control Valve

4. Friction Loss akibat Check Valve

Section Tipe Flow

Sub-total ΔHFP1-7

Total ΔHFP1-2

Sub-total ΔHFF1-7

Total ΔHFF1-2

Total ΔHEQ1-2

(USGal/min)L1 Tilting Disc 500

5. Total Static Head

Elevation of Suction Elevation of Discharge Δz (ft fluid)2803 2841 -38

6. Velocity Head

Velocity of Suction Velocity of Discharge v1^2/2g0 0 0

7. Tank Pressure Head

H1 (suction) H2 (discharge) H2 - H10 0 0

8. Total Head 97.4021843165674

Fric. Loss 1 Fric. Loss 2 Fric. Loss 316.7114479897132 12.1745874370193 28.8571428570857

9. Break Horsepower

SG Total Head Q0.98 97.4021843165674 500

10. NPSHA

Section Fitting/equipment type Pipe FrictionL1 Inward proj. entrance/-- 0.0635665215155683L1 Butterfly/--L2 Butterfly/Filter 0.0317832607577841Total 0.0953497822733524Total NPSHA 15.1965812008018

11. Specific Speed

N (rpm) Q^0.5 (USGal/min) H^0.75 (ft fluid)1780 22.3606797749979 31.004627808355

12. Predict pump efficiency

Pump Efficiency = 0.77

13. Suction Specific Speed

N (rpm) Q^0.5 (USGal/min) NPSHA^0.75 (ft fluid)1780 22.3606797749979 7.69678616963601

14. Thoma cavitation parameter

NPSHA H (ft) σ (thoma cav. Parameter)15.1965812008018 97.4021843165674 0.156018895340287

15. Temperature rise

H (ft) Cp (BTU/lb-F) Efficiency97.4021843165674 1 0.713

16. Pressure head of Control Valve

Metode 1Component Sign (ft fluid)Total Head +Pipe friction head loss -Fitting friction head loss -Equipment friction head loss -Check valve head loss -total static head +velocity head +Tank pressure head +

Pressure head at control valve (ft fluid) =Pressure at the control valve (psig) =

Metode 2Component Sign (ft fluid)Pipe friction head loss +Fitting friction head loss +Equipment friction head loss +total static head +velocity head +Tank pressure head +

Pressure head at control valve (ft fluid) =Pressure at the control valve (psig) =

ΔHP

Prosedur Pemilihan Pompa

0.002357 rho= 61.19 miu = 0.000009Velocity Re f L(ft/s) (ft/100ft pipe) (ft)

5.67361111111111 19287125.7716049 0.0158818243076003 1.58916303788921 45.67361111111111 19287125.7716049 0.0158818243076003 1.58916303788921 25.67361111111111 19287125.7716049 0.0158818243076003 1.58916303788921 245.67361111111111 19287125.7716049 0.0158818243076003 1.58916303788921 20

12.765625 28930688.6574074 0.0173596128745093 13.1905954003132 4010.2125 23144550.9259259 0.0173657038616021 8.44494310368519 120

10.2125 23144550.9259259 0.0173657038616021 8.44494310368519 6

Jumlah Diameter Velocity v^2/2g K(Entrance, Butterfly, Elbows, Tee, Pipe Exit) (in) (ft/s) (ft fluid)

1 6 5.67361111111111 0.500308719927315 11 6 5.67361111111111 0.500308719927315 11 6 5.67361111111111 0.500308719927315 12 6 5.67361111111111 0.500308719927315 12 6 5.67361111111111 0.500308719927315 0.285 6 5.67361111111111 0.500308719927315 0.281 6 5.67361111111111 0.500308719927315 14 4 12.765625 2.53281289463203 0.321 4 12.765625 2.53281289463203 0.73 4 10.2125 1.6210002525645 0.32

1 4 10.2125 1.6210002525645 1

Jumlah ΔP SG ΔP(psi) (ft fluid) (ft fluid)

1 3 0.98 7.07142857142857 7.071428571431 5 0.98 11.7857142857143 11.78571428571 4.2424242424 0.98 9.99999999994286 9.99999999994

28.8571428571

Jumlah Diameter SG CV ΔP

ΔHFP/L

ΔHEQ

(in) (gpm/psi^1/2) (psi)1 6 0.98 590 0.70382074117

v2^2/2g v2^2/2g - v1^2/2g (ft fluid)0 0

Fric. Loss 4 Static Head Velocity Head Tank Pressure Head1.65900603274921 -38 0 0 97.4021843166

Efficiency0.713 16.9036332168523

Fitting Friction Equipment Friction Suction Static Head Tank pressure Head Velocity Head0.500308719927315 2803 0 00.5003087199273150.500308719927315 7.07142857142857 2802

1.50092615978195 7.07142857142857 1 0 0

Ns (specific speed)1283.74416379127

ΔHP

Ppump (hp)

S (suct. spec. speed)5171.2505872277

0.175589915373629

Hasil97.402184316567416.204751403492110.553587184454818.85714285714291.65900603274921 Elevasi titik tertinggi

-43 2846-1.62020671433012 V titik tertinggi

0 10.21

5.507490124398352.33651096186597

Hasil0.506696586221112

1.62100025256459.99999999994286

-5-1.62020671433012

0

5.507490124398352.33651096186597

ΔT (Temp. rise)

g= 32.17

(ft fluid)0.06356652151556830.0317832607577842

0.381399129093410.317832607577842

5.2762381601252810.133931724422216.2047514034921

0.50669658622111216.7114479897132

(ft fluid)0.5003087199273150.5003087199273150.500308719927315

1.000617439854630.2801728831592960.7004322078982410.500308719927315

3.2420005051291.772969026242421.5561602424619210.5535871844548

1.621000252564512.1745874370193

ΔHFP

ΔHFF

ΔHcheck

(ft fluid)1.65900603274921

Atm. Pressure Head Vapor Pressure Head13.3 3.6

^ dalam psi | SG v ^ dalam psi | SG v0.98 0.98

31.35 8.48571428571429