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RESEARCH PAPERS

The Effect of Journal Bearing Misalignment on Load and Cavitation for Non-Newtonian Lubricants

[+] Author and Article Information
R. H. Buckholz, J. F. Lin

Department of Mechanical Engineering, Columbia University, N.Y., N.Y. 10027

J. Tribol 108(4), 645-654 (Oct 01, 1986) (10 pages) doi:10.1115/1.3261295 History: Received May 28, 1986; Online October 29, 2009

Abstract

An analysis for hydrodynamic, non-Newtonian lubrication of misaligned journal bearings is given. The hydrodynamic load-carrying capacity for partial arc journal bearings lubricated by power-law, non-Newtonian fluids is calculated for small valves of the bearing aspect ratios. These results are compared with: numerical solutions to the non-Newtonian modified Reynolds equation, with Ocvirk’s experimental results for misaligned bearings, and with other numerical simulations. The cavitation (i.e., film rupture) boundary location is calculated using the Reynolds’ free-surface, boundary condition.

Copyright © 1986 by ASME
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