A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 19% and the thickness isreduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

The formula for the hoop stress can be expressed as,

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.3.1P: A fire extinguisher tank is designed for an internal pressure of 825 psi. The tank has an outer...

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Question

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 19% and the thickness is
reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

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