RESEARCH PAPERS: Medical Devices and Sporting Equipment

Hydrodynamic Lubrication of Journal Bearings with a Polymer Melt

[+] Author and Article Information
J. V. Accorsi, T. A. DeRossett

Union Carbide Corporation, Bound Brook, N. J. 08805

J. Mech. Des 102(4), 858-864 (Oct 01, 1980) (7 pages) doi:10.1115/1.3254833 History: Received December 17, 1979; Online November 17, 2009


An experimental investigation of hydrodynamic lubrication of journal bearings was conducted using a polymer melt as the lubricating fluid. The test apparatus monitored the pressure profile, eccentricity ratio, axial flow rate and frictional power loss for a bearing with L/D = 1.5. Due to the non-Newtonian viscosity/shear-rate relation of the polymer, it was necessary to define a generalized Sommerfeld number in order to plot the data. The results provide a tool for the design of polymer lubricated bearings.

Copyright © 1980 by ASME
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