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
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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