1 2 Q 25 ft 3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
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.
Transcribed Image Text:1
2
Q
25 ft
3
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