Water is pumped from the upper reservoir to the lower reservoir through the piping system shown. Determine the power required for the pump if the water flow rate is 60 kg/s. The fittings from pipe D1 to pipe D2 and from pipe D2 to pipe D3 can be considered to be standard 90° elbows with velocity in pipe 2 for the friction loss. Data: h1 = 10 m, h2 = 3 m, L1 = 50 m, L2= 300 m, L3 = 2 m, D1 = 0.2 m, D2 = 0.5 m, D3 = 0.03 m, water viscosity = 1 cP = 10-³ kg/m-s, p= 1000 kg/m³. The pipe roughness is 0.05 mm. The pump efficiency is 75%.

Water is pumped from the upper reservoir to the lower reservoir through the piping system shown. Determine the power required for the pump if the water flow rate is 60 kg/s. The fittings from pipe D1 to pipe D2 and from pipe D2 to pipe D3 can be considered to be standard 90° elbows with velocity in pipe 2 for the friction loss. Data: h1 = 10 m, h2 = 3 m, L1 = 50 m, L2= 300 m, L3 = 2 m, D1 = 0.2 m, D2 = 0.5 m, D3 = 0.03 m, water viscosity = 1 cP = 10-³ kg/m-s, p= 1000 kg/m³. The pipe roughness is 0.05 mm. The pump efficiency is 75%.

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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Fluid Kinematics

The branch of science that deals with objects which are either in motion or stationary are studied under the branch of classical mechanics. Fluid mechanics is a subcategory of classical mechanics that deals with the behavior of fluids at rest (fluid statics) or in motion (posing some velocity). In fluid kinematics, studies focus on the associated motion of fluid particles or groups of particles, and its associated parameters like displacements, velocity, and acceleration without concerning about the forces that caused the motion. All the laws of classical mechanics are applied in the study of fluid kinematics.

Question

Water is pumped from the upper reservoir to the lower reservoir through the piping system
shown. Determine the power required for the pump if the water flow rate is 60 kg/s. The
fittings from pipe Di to pipe D2 and from pipe D2 to pipe D3 can be considered to be standard
90° elbows with velocity in pipe 2 for the friction loss. Data:
h = 10 m, h2 = 3 m, L1
water viscosity = 1 cP = 103 kg/m-s, p= 1000 kg/m³. The pipe roughness is 0.05 mm. The
pump efficiency is 75%.
50 m, L2 = 300 m, L3 = 2 m, D¡ = 0.2 m, D2= 0.5 m, D3 = 0.03 m,
(1)
D,, L,
D2, L,
Globe valve
D3, L,

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