A shaft with a diameter of D = 80 mm and a length of L = 385 mm, shown in the figure below, is pulled with a constant velocity of U=5 m/s through a bearing with variable diameter. The clearance between shaft and bearing, which varies from h₁ = 1.2 mm to h2 = 0.4 mm, is filled with a Newtonian lubricant whose dynamic viscosity is 0.10 Pa.s. Determine the force required to maintain the axial movement of the shaft. y Viscous oil, μ X D Shaft L Bearing U The force required to maintain the axial movement of the shaft is N.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A shaft with a diameter of D = 80 mm and a length of L = 385 mm, shown in the figure below, is pulled with a constant velocity of U=5
m/s through a bearing with variable diameter. The clearance between shaft and bearing, which varies from h₁ = 1.2 mm to h2 = 0.4 mm,
is filled with a Newtonian lubricant whose dynamic viscosity is 0.10 Pa.s. Determine the force required to maintain the axial
movement of the shaft.
y
Viscous oil, μ
X
D
Shaft
L
Bearing
U
The force required to maintain the axial movement of the shaft is
N.
Transcribed Image Text:A shaft with a diameter of D = 80 mm and a length of L = 385 mm, shown in the figure below, is pulled with a constant velocity of U=5 m/s through a bearing with variable diameter. The clearance between shaft and bearing, which varies from h₁ = 1.2 mm to h2 = 0.4 mm, is filled with a Newtonian lubricant whose dynamic viscosity is 0.10 Pa.s. Determine the force required to maintain the axial movement of the shaft. y Viscous oil, μ X D Shaft L Bearing U The force required to maintain the axial movement of the shaft is N.
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