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Liquid flows down an inclined plane surface in a steady, fully developed laminar film of constant thickness h. At the interface between the liquid and the air at y = h the viscous shear stress (µ duldy) is negligible. a) Find an expression for the velocity profile for the film b) Find an expression for the wall shear stress (i.e. skin friction) along the surface of the plane surface. g y h

Liquid flows down an inclined plane surface in a steady, fully developed laminar film of constant thickness h. At the interface between the liquid and the air at y = h the viscous shear stress (µ duldy) is negligible. a) Find an expression for the velocity profile for the film b) Find an expression for the wall shear stress (i.e. skin friction) along the surface of the plane surface. g y h

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Liquid flows down an inclined plane surface in a steady, fully developed laminar film of constant thickness h. At the interface between the liquid and the air at y = h the viscous shear stress (u duldy) is negligible. a) Find an expression for the velocity profile for the film b) Find an expression for the wall shear stress (i.e. skin friction) along the surface of the plane surface. h
Transcribed Image Text:Liquid flows down an inclined plane surface in a steady, fully developed laminar film of constant thickness h. At the interface between the liquid and the air at y = h the viscous shear stress (u duldy) is negligible. a) Find an expression for the velocity profile for the film b) Find an expression for the wall shear stress (i.e. skin friction) along the surface of the plane surface. h
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