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Consider fluid flow over a surface with a velocity profile given as Determine the shear stress at the wall surface,

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Consider fluid flow over a surface with a velocity profile given as

Determine the shear stress at the wall surface, if the fluid is

(a) Air at 1 atm

(b) Liquid water, both at 20°C. Also calculate the wall shear stress ratio for the two fluids and interpret the result.

Transcribed Image Text:

u(y) 100(y + 2y20.5y³) m/s

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To determine the wall shear stress at the surface for the given velocity profile we can use the Newtonian fluid shear stress formula w du dy Where w i…View the full answer


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Related Book For  answer-question
Heat And Mass Transfer Fundamentals And Applications

Heat And Mass Transfer Fundamentals And Applications

ISBN: 9780073398181

5th Edition

Authors: Yunus Cengel, Afshin Ghajar

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Question Details
Chapter # 6- FUNDAMENTALS OF CONVECTION
Section: Problems
Problem: 38
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Question Posted: September 16, 2023 05:40:19
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