Effect of Gap Between Pad and Vessel for Moment Loading on Nozzle

[+] Author and Article Information
Z. F. Sang, L. Li, Y. J. Zhou

Department of Mechanical Engineering, Nanjing University of Chemical Technology, Nanjing, P.R. China

G. E. O. Widera

Department of Mechanical and Industrial Engineering, Marquette University, P.O. Box 1881 Milwaukee, WI 53201-1881

J. Pressure Vessel Technol 121(2), 225-231 (May 01, 1999) (7 pages) doi:10.1115/1.2883691 History: Received May 28, 1996; Revised July 29, 1998; Online February 11, 2008


The purpose of this paper is to present a study of the effect of a geometric gap between the cylindrical shell and reinforcement pad on the local stresses in the area of the intersection when the nozzle is subjected to moment loading. Experimental and finite element analyses were performed on two test vessels (four nozzles). A comparative study of stresses in the intersection region for different geometric gaps was also carried out.

Copyright © 1999 by The American Society of Mechanical Engineers
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