Generation of Squeal/Chatter in Water-Lubricated Elastomeric Bearings

[+] Author and Article Information
A. I. Krauter

Technology Department, Shaker Research Corporation, Ballston Lake, N.Y. 12019

J. of Lubrication Tech 103(3), 406-412 (Jul 01, 1981) (7 pages) doi:10.1115/1.3251695 History: Received March 05, 1980; Online November 17, 2009


This paper presents results from an investigation concerned with vibrational characteristics of compliant-layer water-lubricated bearings. An experimental apparatus emulates the dynamic interactions between the propeller shaft and a water-lubricated elastomeric bearing stave. A computer model predicts the squeal tendency of the experimental apparatus. Correlations are obtained by using the apparatus to verify the predicted squeal tendency. Utilizing the computer model, the effects of varying system parameters on squeal/chatter are determined quantitatively. From the results obtained, it is found that the slope of the friction-speed curve and the effective structural damping are the most important parameters. It is concluded that the essential features of squeal/chatter have been identified and that the phenomenon can be modelled analytically.

Copyright © 1981 by ASME
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