Perturbation Solutions for Eccentric Operation of Squeeze Film Damper Systems

[+] Author and Article Information
Xuehai Li, D. L. Taylor

Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853

J. Eng. Gas Turbines Power 108(4), 619-623 (Oct 01, 1986) (5 pages) doi:10.1115/1.3239956 History: Received February 07, 1986; Online October 15, 2009


The study focuses on the effect of a small unidirectional load such as comes from imperfect balance between preloading on centering springs and gravitational load on squeeze film dampers. A rigid rotor-squeeze film damper system is considered, and a thorough study of the synchronous motion of the system is performed. Two perturbation solutions are developed: one for large speed and one for small speed. The perturbation solutions are shown to be in good agreement with numerical simulation and published experimental results.

Copyright © 1986 by ASME
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