Problem 2 - Pumps in Parallel Two 32-in pumps, with performance curve shown below, are combined in parallel to deliver water at 60°F through 1500 ft of horizontal pipe. If f = 0.025, what pipe diameter will ensure a flow rate of 35,000 gal/min for n = 1170 rev/min?

Problem 2 - Pumps in Parallel Two 32-in pumps, with performance curve shown below, are combined in parallel to deliver water at 60°F through 1500 ft of horizontal pipe. If f = 0.025, what pipe diameter will ensure a flow rate of 35,000 gal/min for n = 1170 rev/min?

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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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Problem 2 - Pumps in Parallel
Two 32-in pumps, with performance curve shown below, are
combined in parallel to deliver water at 60°F through 1500 ft of
horizontal pipe. If f = 0.025, what pipe diameter will ensure a
flow rate of 35,000 gal/min for n = 1170 rev/min?
1170 r/min
800
50
NPSH
700
600
500
400
300
200
Total head, ft
0
36-in dia.
32-in dia.
28-in dia.
4
8
82%
85%
1500 bhp
87%
88%
3000 bhp,
3500 bhp
87%
2500 bhp
2000 bhp
12
16
20
24
U.S. gallons per minute x 1000
28
8 8 8 8
NPSH, ft
40
30
20

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