2. Two plates and a fixed surface sandwich two viscous fluid films as shown in the figure. The top plate moves with a velocity of 1.5 m/s and the lower plate is free to move under the influence of the viscous force applied to it. The contact areas for the lower surface of the upper plate is the same as the upper surface of the lower plate as well as the lower surface of lower plate and that of the fixed surface. The density of both fluid is 850 kg/m3. hı=2 mm, hz=1 mm, ui=0.2 Pa:s. 42=0.5 Pas, (a) After steady state conditions have been reached, what is the velocity of the lower plate? (b) What is the force per unit area imposed on the upper plate to maintain its velocity? Upper plate Viscous fluid 1 h1 Lower plate I h2 Viscous fluid 2 Fixed surface.
2. Two plates and a fixed surface sandwich two viscous fluid films as shown in the figure. The top plate moves with a velocity of 1.5 m/s and the lower plate is free to move under the influence of the viscous force applied to it. The contact areas for the lower surface of the upper plate is the same as the upper surface of the lower plate as well as the lower surface of lower plate and that of the fixed surface. The density of both fluid is 850 kg/m3. hı=2 mm, hz=1 mm, ui=0.2 Pa:s. 42=0.5 Pas, (a) After steady state conditions have been reached, what is the velocity of the lower plate? (b) What is the force per unit area imposed on the upper plate to maintain its velocity? Upper plate Viscous fluid 1 h1 Lower plate I h2 Viscous fluid 2 Fixed surface.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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
Transcribed Image Text:2. Two plates and a fixed surface sandwich two viscous fluid films as shown in the figure. The
top plate moves with a velocity of 1.5 m/s and the lower plate is free to move under the influence
of the viscous force applied to it. The contact areas for the lower surface of the upper plate is the
same as the upper surface of the lower plate as well as the lower surface of lower plate and that
of the fixed surface. The density of both fluid is 850 kg/m3. hı=2 mm, hz=1 mm, ui=0.2 Pas.
u2=0.5 Pas.
(a) After steady state conditions have been reached, what is the velocity of the lower plate?
(b) What is the force per unit area imposed on the upper plate to maintain its velocity?
Upper plate
Viscous fluid 1
Lower plate
I h2
Viscous fluid 2
Fixed surface
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