On Thermal Expansion Induced Stresses in U-Bends of Shell-and-Tube Heat Exchangers

[+] Author and Article Information
Krishna P. Singh, Maurice Holtz

Joseph Oat Corporation, 2500 Broadway, Camden, N. J. 08104

J. Eng. Power 101(4), 634-639 (Oct 01, 1979) (6 pages) doi:10.1115/1.3446633 History: Received June 23, 1978; Online July 14, 2010


An analytical method is herein developed to evaluate the stress field in the critical regions of a U-tube subject to differential thermal expansion. The solution is intended to be used as a design tool to conveniently study the variation of geometric parameters on the U-tube stress distribution. Those design variables which have significant effects on the structural characteristics of the U-tube are identified by an in-depth study of a typical example problem. Some effective design remedies are also discussed.

Copyright © 1979 by ASME
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