Squeeze Film Dynamics of Two-Phase Seals

[+] Author and Article Information
J. A. Yasuna, W. F. Hughes

Mechanical Engineering Department, Carnegie Mellon University, Pittsburgh, PA 15213

J. Tribol 114(2), 236-246 (Apr 01, 1992) (11 pages) doi:10.1115/1.2920879 History: Received March 21, 1991; Revised July 25, 1991; Online June 05, 2008


A dynamic analysis of two-phase face seals including squeeze film effects and thermal transients is presented. Axial responses to perturbations from equilibrium for various sets of typical seal operating conditions are examined, and the sensitivity of these responses to certain parameters is discussed. Sample calculations indicate damped transient responses which often decay as steady state is approached asymptotically. In some cases, however, stable and unstable oscillations are observed.

Copyright © 1992 by The American Society of Mechanical Engineers
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