Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Properties of Fluids
The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condit…
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Consider a steady, incompressible, y=+h ↑y hydrodynamically fully-developed flow between two infinite flat plates as shown. The flow can be described by the following equation: y=-h 2U K -y² +C¸y+C, 2µ where u is the dynamic viscosity, u is the axial velocity (i.e., the velocity in x-direction), and K, Cı, and C2 are constants. (a) Obtain the velocity profile u(y) in terms of h, U, K, µ̟ and y. (b) For what value of K is the shear stress zero at y=h/2. Consider h=0.01 mm, U=0.1 mm/s, and u=0.001 Pa.s
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Transcribed Image Text:Consider a steady, incompressible, y=+h ↑y hydrodynamically fully-developed flow between two infinite flat plates as shown. The flow can be described by the following equation: y=-h 2U K -y² +C¸y+C, 2µ where u is the dynamic viscosity, u is the axial velocity (i.e., the velocity in x-direction), and K, Cı, and C2 are constants. (a) Obtain the velocity profile u(y) in terms of h, U, K, µ̟ and y. (b) For what value of K is the shear stress zero at y=h/2. Consider h=0.01 mm, U=0.1 mm/s, and u=0.001 Pa.s
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