1. A thin 30-cm x 30-cm flat plate is pulled at 3 m/s horizontally through a 3.6- mm-thick oil layer sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m/s, as shown in Fig. 1. The dynamic viscosity of oil is 0.027 Pa.s. Assuming the velocity in each oil layer to vary linearly, (a) plot the velocity profile and find the location where the oil velocity is zero and (b) determine the force that needs to be applied on the plate to maintain this motion. to Fixed wall h =1 mm V= 3 m/s %3D F lict h = 2.6 mm %3D Vy = 0.3 m/s a %3D agged nib eli bas a bluow Moving wall Fig. 1
1. A thin 30-cm x 30-cm flat plate is pulled at 3 m/s horizontally through a 3.6- mm-thick oil layer sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m/s, as shown in Fig. 1. The dynamic viscosity of oil is 0.027 Pa.s. Assuming the velocity in each oil layer to vary linearly, (a) plot the velocity profile and find the location where the oil velocity is zero and (b) determine the force that needs to be applied on the plate to maintain this motion. to Fixed wall h =1 mm V= 3 m/s %3D F lict h = 2.6 mm %3D Vy = 0.3 m/s a %3D agged nib eli bas a bluow Moving wall Fig. 1
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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Transcribed Image Text:1. A thin 30-cm x 30-cm flat plate is pulled at 3 m/s horizontally through a 3.6-
mm-thick oil layer sandwiched between two plates, one stationary and the
other moving at a constant velocity of 0.3 m/s, as shown in Fig. 1. The
dynamic viscosity of oil is 0.027 Pa.s. Assuming the velocity in each oil layer
to vary linearly, (a) plot the velocity profile and find the location where the oil
velocity is zero and (b) determine the force that needs to be applied on the
plate to maintain this motion.
to
Fixed wall
h =1 mm
V= 3 m/s
%3D
F
lict
h = 2.6 mm
%3D
Vy = 0.3 m/s
a
%3D
agged nib eli bas a
bluow Moving wall
Fig. 1
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