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1 2 Q 25 ft 3

1 2 Q 25 ft 3

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter7: Length And Length-related Variables In Engineering
Section: Chapter Questions
Problem 42P
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Question

 The following figure shows a centrifugal pump that is used for pumping water from
one tank to another through a 1,000 ft (including fittings) nominal 4-in. I.D. pipeline. The
performance curve for the pump has been determined and relates the pressure increase ΔP
(psi) across the pump to the flow rate Q (ft3/s) through it:
ΔP = 19.2 − 133.4Q^4.5.
The viscosity of the water is 1 cP.

Pressure drop is given as:
P2 − P3 = 10.83 + 10,265f_FQ^2 in which f_F is the Fanning friction factor.
1. Determine the flow rate Q (ft3/s).
2. Determine pressure increase across pump in psi.

3.  Determine the Fanning friction factor, f_F. 

1 2 Q 25 ft 3
Transcribed Image Text:1 2 Q 25 ft 3
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