Tribology Online
Online ISSN : 1881-2198
ISSN-L : 1881-218X
Article
Squeeze Film Lubrication between Porous Parallel Stepped Plates with Couple Stress Fluids
Trimbak Vaijanath Biradar
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JOURNALS FREE ACCESS

2013 Volume 8 Issue 5 Pages 278-284

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Abstract

This paper presents the theoretical study of squeeze film lubrication between porous parallel stepped plates with couple stress fluids. The lubricant with additives in the film region and also in the porous region in modeled as Stokes couple stress fluid. The modified Reynolds equation is derived for porous parallel stepped plates with couple stress fluids. The closed form expressions are obtained. According to the results obtained, the influence of couple stresses enhances the squeeze film pressure, load carrying capacity and decreases the response time as compared to the classical Newtonian-lubricant case. The load carrying capacity decreases as the step height increases.

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© 2013 by Japanese Society of Tribologists
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