Impulsive Responses of a Circular Cylindrical Shell Subjected to Waterhammer Waves

[+] Author and Article Information
T. Adachi, S. Ujihashi, H. Matsumoto

Department of Mechanical Engineering, Tokyo Institute of Technology, Tokyo, Japan

J. Pressure Vessel Technol 113(4), 517-523 (Nov 01, 1991) (7 pages) doi:10.1115/1.2928789 History: Received December 01, 1989; Revised October 24, 1990; Online June 17, 2008


The impulsive responses of semi-finite and finite pipes filled with fluid are analyzed in order to clarify the validity of Joukowsky’s theory and the fluid-pipe coupling effect. In the analysis, Flügge’s dynamic bending shell theory and the potential theory of compressible perfect fluid are used. The analytical solutions in Laplace transformed domain are obtained. The inversion of the solutions is performed numerically using the algorithm of FFT. When a pipe is fairly long, it is shown that the result of Joukowsky’s theory which has no pipe inertia effect approximately agrees with that of the coupled theory. When a pipe is short, Joukowsky’s theory shows rough approximation of the responses. The response of the uncoupled theory with the inertia of a pipe is different from that of the coupled theory for both long and short pipes.

Copyright © 1991 by The American Society of Mechanical Engineers
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