Stress Analysis of Expansion Joints of Pressure Vessels under Internal Pressure

概要

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In this paper an elastic analysis of the expansion joints used in pressure vessels and pipe lines under internal pressure is presented. Although these joints are widely used, few investigations on their strength have been published and at present designers are employing the rough formulas of M. W. Kellogg Co. for practical designing. Therefore in this investigation the problem is treated by using a shell theory and a calculating method is established by which the stresses and deformation of these joints can be evaluated. Numerical results of stress distributions and deformation for some dimensions of the expansion joints are shown, and these results are compared with experimental ones. The general solutions for the case of both axial load and internal pressure can be obtained by combining the solutions in this paper with ones in the previous paper.
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