A Sensitivity Analysis of Squeeze-Film Bearings

[+] Author and Article Information
C. R. Burrows, O. S. Turkay

School of Engineering and Applied Sciences, University of Sussex, Falmer, Brighton, Sussex, England

J. of Lubrication Tech 104(4), 516-522 (Oct 01, 1982) (7 pages) doi:10.1115/1.3253277 History: Received October 29, 1980; Online November 13, 2009


It is shown that amplitude and phase spectra should not be used to assess the quality of estimates of oil-film coefficients unless the results are interpreted in conjunction with a sensitivity analysis of the bearing model. The implications of using only the amplitude spectrum are discussed. Sensitivity analysis is shown to give valuable insight into the problem of selecting test signals for estimating oil-film coefficients. Moreover the analysis gives an indication of the validity of the model structure.

Copyright © 1982 by ASME
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