Answered: 2. Pump and pipeline—M . The…

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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Solve problem 2 (Textbook, p. 230). This is a case example how to use the characteristic curve of a pump to find the operation point of a piping installation. You can find the solution graphically, iteratively (if you want to fit the curve of Fig. P4.2 with an equation) or using trial and error (my recommendation).

2. Pump and pipeline—M . The head/discharge curve of a centrifugal pump is shown in Fig. P4.2. The exit of the pump is connected to 1,000 ft of nominal 2-in. diameter horizontal pipe (D = 2.067 in.). What flow rate (ft^3/s) of water can be expected? Assume atmospheric pressure at the pump inlet and pipe exit, and take fF = 0.00475.

80
70
60
50
Ah
across
40
pump
(ft)
30
10
0 04 0.08 0.12 0.16 0.20 0.24
Q, flow rate through pump (ft/s)
Fig. P4.2 Pump head/discharge characteristic curve.
20

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