Find the required diameter d0 for a solid circle shaft. b) Find the required outer diameter d2 for a ring section shaft whose thickness is 1/10 of the outer diameter. c) Find the diameter ratio (d2 / d0) and the weight ratio for ring cross section and solid section shafts.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A steel shaft can be manufactured as a circular rod with a solid body or a circular tube. The shaft is required to bear a torque of 1200 N.m. Since the shear strength for the shaft material is 40 MPa, the maximum permitted unit torsion angle of the bar is 0.750 / m and the shear modulus of the steel is G = 78 GPa;
a) Find the required diameter d0 for a solid circle shaft.
b) Find the required outer diameter d2 for a ring section shaft whose thickness is 1/10 of the outer diameter.
c) Find the diameter ratio (d2 / d0) and the weight ratio for ring cross section and solid section shafts.

d2
t =
10
op-
dz
(a)
(b)
Transcribed Image Text:d2 t = 10 op- dz (a) (b)
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