Problem 6-4 A compound cylinder is made by shrinkage an outer tube on to an inner tube, the final dimensions being, external di- ameter 25 cm, internal diameter 15 cm and diameter at the junction of tubes, 20 cm. If the common radial pressure between the two tubes due to shrinkage be 17 MPa, determine the circumferential stresses at inner and outer diameters of both cylinders and shown by means of a diagram how these stresses vary with the radius. 77.44 80 60 60.44 40 20 7.5 10 12.5 r, (cm) - 40 - 60 - 60.71 - 77.71 Hoop stress, MPa 20

Elements Of Electromagnetics
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Problem 6-4 A compound cylinder is made by shrinkage an
outer tube on to an inner tube, the final dimensions being, external di-
ameter 25 cm, internal diameter 15 cm and diameter at the junction of
tubes, 20 cm.
If the common radial pressure between the two tubes due to
shrinkage be 17 MPa, determine the circumferential stresses at inner
and outer diameters of both cylinders and shown by means of a diagram
how these stresses vary with the radius.
77.44
80
60
60.44
40
20
7.5
10
12.5
- 20
r, (cm)
- 40
- 60
– 60.71
-77.71
Hoop stress, MPa
Transcribed Image Text:Problem 6-4 A compound cylinder is made by shrinkage an outer tube on to an inner tube, the final dimensions being, external di- ameter 25 cm, internal diameter 15 cm and diameter at the junction of tubes, 20 cm. If the common radial pressure between the two tubes due to shrinkage be 17 MPa, determine the circumferential stresses at inner and outer diameters of both cylinders and shown by means of a diagram how these stresses vary with the radius. 77.44 80 60 60.44 40 20 7.5 10 12.5 - 20 r, (cm) - 40 - 60 – 60.71 -77.71 Hoop stress, MPa
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