Answered: 2) V2 = 0 water tank B Z2 - Z1 (1) Z1 D…

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Mechanical Engineering

2) V2 = 0 water tank B Z2 - Z1 (1) Z1 D water tank A pump valve 72

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter8: Centroids And Distributed Loads

Section: Chapter Questions

Problem 8.122P: The 12-ft wide quarter-circular gate AB is hinged at A. Determine the contact force between the gate...

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

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A water pump is used to pump the water to a large water tank as shown in Figure. The free surfaces of both water tanks are under atmospheric pressure. Dimensions and local losses are given below. The flow rate of the pump is determined as 16.2 L/min.

Calculate the required manometric head of the pump and the required motor power if the total efficiency is 76.2 percent. The water at 10^oC. density r = 996.2 kg/m³, dynamic viscosity µ = 1.362x10^-3kg /ms. z₂-z₁ = 7.62 m (height difference), D = 2.62 cm (pipe diameter), L = 176.2 m (total pipe length), ɛ = 0.2562 mm (pipe roughness value) Local loss coefficients: K_L,inlet= 0.562 (pipe inlet) K_L,valve= 16.2 (valve), K_L,elbow= 0.9262 (there are 5 elbows totally in pipe line), K_L,outlet= 1.0562 (pipe outlet).

2)
V2 = 0
water tank B
Z2 - Z1
(1)
Z1
D
water tank A
pump
valve
72

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