O For the horizontal laminar internal flow through a pipe of diameter (d), if the velocity profile u(r) %3D 4u dl d Ir2-r21 and the wall shear stress is r, =pV². Prove that the friction faction %3D | of the flow must be: f 64 %3D Re

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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) For the horizontal laminar internal flow through a pipe of diameter (d), if the velocity profile
u(r).
-1 dp
r2-r21l and the wall shear stress is r, =pV². Prove that the friction faction
4µ dL
%3D
%3D
of the flow must be: f
64
%3D
Re
Transcribed Image Text:) For the horizontal laminar internal flow through a pipe of diameter (d), if the velocity profile u(r). -1 dp r2-r21l and the wall shear stress is r, =pV². Prove that the friction faction 4µ dL %3D %3D of the flow must be: f 64 %3D Re
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