PUMP SIZING CALCULATION.pdf

PROJECT NO. PO. 4500098732 / 10 / 01.01.2018 PROJECT TITLE Supply of PF Process Calculation Spreadsheet (Excel Forma)

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PROJECT NO.

PO. 4500098732 / 10 / 01.01.2018 PROJECT TITLE

Supply of PF Process Calculation Spreadsheet (Excel Forma)

T E

E H S Pump Sizing Calculation E L P M SA DOCUMENT TITLE

DATE DOC. NO.

REV.

REASON FOR REVISION CEPL-PC-001-CA-015

PREP.

CHKD.

PAGE 1 of 3

APPD.

APPD. REV. 0

Pump Sizing Calculation DOC. NO. PROJECT NO. PROJECT TITLE BASIS

CEPL-PC-001-CA-015 PO. 4500098732 / 10 / 01.01.2018 Supply of PF Process Calculation Spreadsheet (Excel Forma)

REV. PAGE NO.

Calculation Objective

Calculation Basis

T E

Calculation Methodology

L P M

Assumptions

Software used

Conclusions

References

Attachments

SA

E H S E

0 2 of 3

Pump Sizing Calculation DOC. NO. PROJECT NO. PROJECT TITLE

CEPL-PC-001-CA-015 PO. 4500098732 / 10 / 01.01.2018 Supply of PF Process Calculation Spreadsheet (Excel Forma)

REV. PAGE NO.

0 3 of 3

This spreadsheet provides the pump sizing calculations (Hydraulic power, Shaft power and NPSHA) Input

Results

Hydraulic Power: The ideal hydraulic power to drive a pump depends on; * Mass flow rate * Liquid density * Differential head Ph (kW) = q ρ g h / (3.6 *10^6)   

T E

3

20

q

Flow capacity (m /h)

1000

ρ

Density of fluid (kg/m )

9.81

g

Gravity (9.81 m/s )

3

2

Suction head PA Suction vessel pressure (m) 0

L P M

2

ΔPA Frictional pressure drop (m)

7

HA

Static head (m)

5

PS

Total suction head (m)

60

h

Differential head (m)

3.3

E H S E

Discharge head 0 PB Discharge vessel pressure (m) 35 ΔPB Frictional pressure drop (m)

SA

30

HB Static head (m)

65

PD Total discharge head (m)

Ph(kW) Hydraulic power (kW)

Shaft Power: The shaft power is the power transferred from the motor to the shaft of the pump.

P s(kW) = P h(kW) / η 75% 4.4

η 

Pump efficiency

Ph(kW) Shaft power (kW)

NPSHA : The NPSHA (Net Positive Suction Head, Available) depends on; * Pressure at pump suction (m) * Ambient Pressure (m) * Vapor Pressure (m) NPSHA

=

Pressure at pump suction

+

Ambient Pressure

-

Vapor Pressure

NPSHA

=

5

+

10.3

-

0.5

NPSHA

=

14.8

m