An Investigation of a Squeeze Film Between Two Plane Annuli

[+] Author and Article Information
R. Usha

Department of Mathematics, Indian Institute of Technology, Madras, 600 036, India

Rukmani Sridharan

Department of Mathematics, Stella Maris College, Madras, 600 086, India

J. Tribol 120(3), 610-615 (Jul 01, 1998) (6 pages) doi:10.1115/1.2834594 History: Received April 30, 1996; Revised August 01, 1997; Online January 30, 2008


An analysis of a laminar squeeze flow of an incompressible Newtonian fluid between parallel plane annuli is presented. The local and convective inertia of the flow are considered in the investigation. The solution is obtained as a power series in a single nondimensional parameter (squeeze Reynolds number) S, for small values of S. Expressions for the pressure and load capacity are given and are compared with those based on the assumption of inertialess flow. As applications, the constant velocity squeezing state and the case when the walls perform reciprocating harmonic oscillations with finite amplitude are considered. The changes in load capacity with the changes in the parameters that govern the motion have been investigated.

Copyright © 1998 by The American Society of Mechanical Engineers
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