In-Plane Bending of a Short-Radius Curved Pipe Bend

[+] Author and Article Information
N. Jones

Division of Engineering, Brown University, Providence, R. I.

J. Eng. Ind 89(2), 271-277 (May 01, 1967) (7 pages) doi:10.1115/1.3610039 History: Received September 23, 1965; Online August 25, 2011


The analysis developed in this article is a logical extension, or generalization, of Von Karman’s original theory [1] on curved pipe bends. It can be shown, for long-radius pipe bends which have a negligible shift of the neutral axis, that the solution presented here reduces to that of Von Karman. It is evident from the results of this analysis that the stresses in and flexibility of curved pipe bends are virtually independent of γ(a/ρ) (even for γ approaching unity) and depend almost entirely on the simple Von Karman pipe factor λ(tρ/a2 ). Errors arising from premature truncation of the selected power series for the radial displacement are discussed, and a guide given to the number of terms necessary for a particular problem.

Copyright © 1967 by ASME
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