In Situ Estimation of the Dynamic Characteristics of an Uncavitated Squeeze-Film Damper

[+] Author and Article Information
C. R. Burrows, M. N. Sahinkaya, N. C. Kucuk, M. L. Tong

University of Strathclyde, Division of Dynamics and Control, Glasgow, Scotland, United Kingdom

J. Tribol 110(1), 162-166 (Jan 01, 1988) (5 pages) doi:10.1115/1.3261557 History: Received March 01, 1987; Online October 29, 2009


A modified form of the author’s frequency-domain estimation algorithm has been applied to estimate the inertia and damping coefficients of an uncavitated squeeze-film bearing. These estimates are obtained in situ from measurements on a specially designed rig. The experiments provided further evidence that oil-film inertia coefficients may be significant and showed that theoretical predictions are inadequate.

Copyright © 1988 by ASME
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