A water pump is used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs are exposed to atmospheric pressure, as sketched in Fig. The dimensions and minor loss coefficients are provided in the figure. The pump’s performance is approximated by the expression Havailable = H0 − aV.2 , where shutoff head H0 = 24.4 m of water column, coefficient a = 0.0678 m/(Lpm)2 , available pump head Havailable is in units of meters of water column, and capacity V. is in units of liters per minute (Lpm). Estimate the capacity delivered by the pump. A 22- 21 = 7.85 m (elevation difference)D = 2.03 cm (pipe diameter)KL, entrance = 0.50 (pipe entrance)KL. valve = 17.5 (valve)KL. elbow = 0.92 (each elbow-there are 5)KL exit = 1.05 (pipe exit)L = 176.5 m (total pipe length)e = 0.25 mm (pipe roughness)V2 = 0ReservoirVi손0ReservoirPumpValve

Calculate the capacity delivered by the pump. A For water, ρ=1000 kgm3μ=1.003 kgm.s…

Answered: 22- 21 = 7.85 m (elevation difference)…

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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A water pump is used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs are exposed to atmospheric pressure, as sketched in Fig. The dimensions and minor loss coefficients are provided in the figure. The pump’s performance is approximated by the expression H_available = H₀ − aV^.2 , where shutoff head H₀ = 24.4 m of water column, coefficient a = 0.0678 m/(Lpm)² , available pump head H_available is in units of meters of water column, and capacity V^. is in units of liters per minute (Lpm). Estimate the capacity delivered by the pump. A

22- 21 = 7.85 m (elevation difference)
D = 2.03 cm (pipe diameter)
KL, entrance = 0.50 (pipe entrance)
KL. valve = 17.5 (valve)
KL. elbow = 0.92 (each elbow-there are 5)
KL exit = 1.05 (pipe exit)
L = 176.5 m (total pipe length)
e = 0.25 mm (pipe roughness)
V2 = 0
Reservoir
Vi손0
Reservoir
Pump
Valve

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