A thin 20-cm" 20-am flat plate is pulled at 1 m/s horizontally through a 3.6-mm-thick oil laye sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m's, as shown. Fixed wall = 1 mm V = 1 m/s = 2.6 mm Vw = 0.3 m/s Moving wall The dynamic viscosity of oil is 0.027 Pa.s. Assuming the velocity in each oil layerto vary linearly (a) plot the velocity profile and find the location where the oil velocity is zero (H) determine the foroce that needs to be applied on the plate to maintain this motion.
A thin 20-cm" 20-am flat plate is pulled at 1 m/s horizontally through a 3.6-mm-thick oil laye sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m's, as shown. Fixed wall = 1 mm V = 1 m/s = 2.6 mm Vw = 0.3 m/s Moving wall The dynamic viscosity of oil is 0.027 Pa.s. Assuming the velocity in each oil layerto vary linearly (a) plot the velocity profile and find the location where the oil velocity is zero (H) determine the foroce that needs to be applied on the plate to maintain this motion.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A thin 20-cm" 20-am flat plate is pulled at 1 m/s horizontally through a 3.6-mm-thick oil layer
sandwiched between two plates, one stationary and the other moving at a corstant velocity of 0.3
m's, as shown.
Fixed wall
h, =1 mm
V = 1 m/s
F
h2 = 2.6 mm
= 0.3 m/s
Moving wall
The dyramic viscosity of oil is 0.027 Pa.s. Assuming the velocity
in each oil layerto vary linearly
(a) plot the velocity profile and find the location where the oil velocity is zero
(H) determine the force that needs to be applied on the plate to maintain this motion.
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