1. The submersible pump in the figure sends 12.5 gal/min of water through a 1" diameter pipe. Consider an energy loss of 10 lb*ft/lb. a. Determine the energy the pump adds to the water, lb*ft/lb. b. Calculate the power that the pump transmits to the water, in HP.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. The submersible pump in the figure sends 12.5 gal/min of water through a 1" diameter pipe.
Consider an energy loss of 10 lb*ft/lb.
a. Determine the energy the pump adds to the water, lb*ft/lb.
b. Calculate the power that the pump transmits to the water, in HP.
storage tank
ventilate
flow
TRE
air
40 psig
well casing
120 feet
well level
bomb
Transcribed Image Text:1. The submersible pump in the figure sends 12.5 gal/min of water through a 1" diameter pipe. Consider an energy loss of 10 lb*ft/lb. a. Determine the energy the pump adds to the water, lb*ft/lb. b. Calculate the power that the pump transmits to the water, in HP. storage tank ventilate flow TRE air 40 psig well casing 120 feet well level bomb
Expert Solution
Step 1

Given:Water flow rate, Q=12.5 gal/min=12.5448.831ft3/s=0.02785 ft3/s     1 ft3/s=448.831 gal/minPipe diameter, d=1"=112ftEnergy loss, hL=10 lb.ft/lbPressure in the tank, P2=40 psig=40*144 lb/ft2=5760 lb/ft2       1 psi=144 lb/ft2Elevation difference between the lower reservoir level and the level in the tank, Z2-Z1=120 ftFind:a The energy the pump adds to the water, lb.ft/lbb The power that the pump transmits to the water, in HP

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