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Water is flowing through a150 m long pipe at a velocity of 2 m/s. Calculate the minimum gradient required if friction coefficient is 0.01 and diameter is 0.5 m.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Time and time related variables in engineering

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Question

Water is flowing through
a150 m long pipe at a
velocity of 2 m/s. Calculate
the minimum gradient
required if friction
coefficient is 0.01 and
diameter is 0.5 m.

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A rough pipe of 0.5 m diameter, 300 m length and roughness height of 0.25 mm, carries water (kinematic viscosity = 0.9 x 106 m²/s) with velocity of 3 m/s. Friction factor (f) for r 1/2 = 2109₁0 (F) +₁ log₁0 √f k number, r = radius of pipe, k = roughness height and g = 9.81 m/s². The head loss (in m, up to three decimal places) in the pipe due to friction is +1.74, where, Re Reynolds
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