Bearing h2 Viscous oil, u Shaft L.
Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Larry Jeffus
Chapter5: Shielded Metal Arc Welding Of Pipe
Section: Chapter Questions
Problem 4R: Describe the differences between pipe and tubing.
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Question
A shaft with a diameter of D = 80 mm and a length of L = 400 mm, shown in Fig is pulled with a constant velocity of U = 5 m/s the shaft rotates with a constant angular speed of n . = 1450 rpm in 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 0.1 Pa⋅s. Determine the torque required to maintain the motion
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