tube subjected to pr times the inner radi hear strain in the tu ner surface? allowable rate of tv

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Question 2.
A circular aluminum tube subjected to pure torsion by torques T (see figure 2) has an outer
radius 12 equal to 1.5 times the inner radius ₁.
(a) If the maximum shear strain in the tube is measured as 400x106 rad, what is the shear
strain y at the inner surface?
(b) If the maximum allowable rate of twist is 0.125 degrees per meter and the maximum
shear strain is to be kept at 400x105 rad by adjusting the torque T, what is the minimum
required outer radius (12) min?
T
Figure 2: cylindrical shaft
Transcribed Image Text:Question 2. A circular aluminum tube subjected to pure torsion by torques T (see figure 2) has an outer radius 12 equal to 1.5 times the inner radius ₁. (a) If the maximum shear strain in the tube is measured as 400x106 rad, what is the shear strain y at the inner surface? (b) If the maximum allowable rate of twist is 0.125 degrees per meter and the maximum shear strain is to be kept at 400x105 rad by adjusting the torque T, what is the minimum required outer radius (12) min? T Figure 2: cylindrical shaft
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