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TECHNICAL BRIEFS

On the Lubrication of Short Porous Journal Bearings—Use of the Brinkman Model

[+] Author and Article Information
Jaw-Ren Lin

Department of Mechanical Engineering, Nanya Junior College of Technology, Chung Li, Taiwan 32034

Chi-Chuan Hwang

Department of Mechanical Engineering, Chung Yuan University, Chung Li, Taiwan 32023

J. Tribol 117(1), 196-199 (Jan 01, 1995) (4 pages) doi:10.1115/1.2830599 History: Received January 25, 1994; Revised May 18, 1994; Online January 24, 2008

Abstract

Based on the Brinkman model (MB), this paper concerns the more realistic influence of viscous shear stresses on the lubrication performance of short porous journal bearings. Compared with those using the zero pressure gradient assumption (ZPGA), the effect of LPGA provides an improvement in the bearing performance, especially when the thick-walled bearing has higher permeability parameter or the journal operates at higher eccentricity ratio.

Copyright © 1995 by The American Society of Mechanical Engineers
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