A good curve-fit to the head vs. flow for the 32-inch pump in the image shown below is: H(inft)≈500−(2.9E−7)Q2,Qingal/minH(in ft)≈500−(2.9E−7)Q2 , Q in gal/min Assume the same rotation rate, 1170 r/min, and estimate the flow rate this pump will provide to deliver water from a reservoir, through 900 ft of 12-inch pipe, to a point 300 ft above the reservoir surface. Assume a friction factor f = 0.019.
A good curve-fit to the head vs. flow for the 32-inch pump in the image shown below is: H(inft)≈500−(2.9E−7)Q2,Qingal/minH(in ft)≈500−(2.9E−7)Q2 , Q in gal/min Assume the same rotation rate, 1170 r/min, and estimate the flow rate this pump will provide to deliver water from a reservoir, through 900 ft of 12-inch pipe, to a point 300 ft above the reservoir surface. Assume a friction factor f = 0.019.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
A good curve-fit to the head vs. flow for the 32-inch pump in the image shown below is:
H(inft)≈500−(2.9E−7)Q2,Qingal/minH(in ft)≈500−(2.9E−7)Q2 , Q in gal/min
Assume the same rotation rate, 1170 r/min, and estimate the flow rate this pump will provide to deliver water from a reservoir, through 900 ft of 12-inch pipe, to a point 300 ft above the reservoir surface. Assume a friction factor f = 0.019.
Answer in gal/min
Transcribed Image Text:n = 1170 r/min
50
800
NPSH
700
36금-in dia.
20
600
32-in dia.
87%
500
400
2500 bhp
28-in dia.
300
1500 bhp
200
4
8
12
16
20
24
28
U.S. gallons per minute x 1000
NPSH, ft
%88
3500 bhp
8%,
3000 bhp
%78
- 87%
%8/.
2000 bhp
Total head, ft
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