An Appraisal of a Proposed Active Squeeze Film Damper

[+] Author and Article Information
C. Mu, J. Darling, C. R. Burrows

School of Mechanical Engineering, University of Bath, Bath, U. K.

J. Tribol 113(4), 750-754 (Oct 01, 1991) (5 pages) doi:10.1115/1.2920688 History: Received February 28, 1990; Revised June 29, 1990; Online June 05, 2008


A theoretical model for an active squeeze film damper (SFD) is introduced. The design makes it possible to change the radial clearance and land length of the SFD by adjusting the position of the damper ring. Expressions for the oil film forces are obtained. The vibration control of a flexible rotor is taken as an example of the application of the new design. The possibility of controlling rotor vibrations is demonstrated by means of numerical experiments.

Copyright © 1991 by The American Society of Mechanical Engineers
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