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RESEARCH PAPERS

Forced Vibration of Tube Support Plates in Power Plant Condensers, With Friction Damping

[+] Author and Article Information
R. Pigott

Technology Development, Steam Turbine Division, Westinghouse Electric Corp., Philadelphia, Pa.

J. Eng. Power 99(1), 106-114 (Jan 01, 1977) (9 pages) doi:10.1115/1.3446238 History: Received August 19, 1975; Online July 14, 2010

Abstract

A method is given for analyzing the vibration of tube support plates in power plant condensers. The tubes are not fastened to the support plates and, therefore, their effect is simply that of a frictional restraint which is modeled as a massless elastic-plastic foundation. The technique given is an application of the Kryloff-Bogoliuboff method. The stability of the steady-state solution is also considered and it is shown that “jump” phenonmenon exist for some conditions.

Copyright © 1977 by ASME
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