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RESEARCH PAPERS

The Transmission Loss in Squeeze-Film Flow of Newtonian and Some Viscoelastic Fluids

[+] Author and Article Information
N. Phan-Thien

Department of Mechanical Engineering, Sydney University, N.S.W. 2006, Australia

J. Tribol 109(1), 83-85 (Jan 01, 1987) (3 pages) doi:10.1115/1.3261332 History: Received February 24, 1986; Online October 29, 2009

Abstract

It is shown that the difference between the forces acting on the top and bottom plates of a squeeze-film bearing, or the transmission loss, is entirely an inertia phenomenon and arises due to the acceleration of the top plate (the bottom plate is stationary). Its magnitude is given by half of the mass of the fluid film multiplied by the top plate acceleration. This is valid for Newtonian and some Oldroyd-B fluid provided that edge effects are negligible and no bifurcation of solution occurs.

Copyright © 1987 by ASME
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