II. Example TDH & WHP Calculation Determine TDH and WHP for a centrifugal pump discharging into the air... 2g PVC pipe AElev = 31 m pump L = 1530 m D= 295 mm (ID) Q = 102 Ips Epump = 76% = 0 2g screen Pi = 0 because AElev begins at water surface Head loss due to friction: hf = hscreen +3helbow +hpipe for PVC, & = 1.5(10) m, relative roughness is:
II. Example TDH & WHP Calculation Determine TDH and WHP for a centrifugal pump discharging into the air... 2g PVC pipe AElev = 31 m pump L = 1530 m D= 295 mm (ID) Q = 102 Ips Epump = 76% = 0 2g screen Pi = 0 because AElev begins at water surface Head loss due to friction: hf = hscreen +3helbow +hpipe for PVC, & = 1.5(10) m, relative roughness is:
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Transcribed Image Text:II. Example TDH & WHP Calculation
• Determine TDH and WHP for a centrifugal pump discharging into the air...
+0
2g
PVC pipe
AElev = 31 m
pump
L = 1530 m
D = 295 mm (ID)
Q = 102 Ips
Epump
= 76%
= 0
P
= 0
screen
because AElev begins
at water surface
Head loss due to friction:
hf = hscreen +3helbow +hpipe
for PVC, E = 1.5(10) m, relative roughness is:
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