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 = 0 Epump=76% 2g because AElev begins at water surface screen 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 = 0 Epump=76% 2g because AElev begins at water surface screen Head loss due to friction: hf = hscreen + 3helbow +hpipe for PVC, & = 1.5(10)° m, relative roughness is:
Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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
L = 1530 m
D = 295 mm (ID)
Q = 102 Ips
dund
Epump
= 76%
= 0
P
= 0
screen
because AElev begins
at water surface
Head loss due to friction:
hf = hscreen + 3helbow +hpipe
for PVC, 8 = 1.5(1o)® m, relative roughness is:
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