An Experimental Investigation on the Temperature Distribution in Circular Journal Bearings

[+] Author and Article Information
Junichi Mitsui

Tamano Technical Institute, Mitsui Engineering & Shipbuilding Ltd., Tamano City, Japan

Yukio Hori, Masato Tanaka

Department of Mechanical Engineering, University of Tokyo, Tokyo, Japan

J. Tribol 108(4), 621-626 (Oct 01, 1986) (6 pages) doi:10.1115/1.3261285 History: Received February 20, 1985; Online October 29, 2009


The temperature distributions in full circular bearings were measured in a test rig. The effects of journal speed, lubricant viscosity, and clearance ratio on the maximum bearing temperature and its location were discussed. The results were compared with the theoretical analysis by the present authors and good agreement was obtained over the wide range of operating conditions. The maximum bearing temperature is found to increase considerably with the increase of speed or lubricant viscosity and also with the decrease of clearance ratio. Its angular position is found to vary with speed and clearance ratio. These phenomena can be explained by the characteristics of maximum film temperature in the oil film.

Copyright © 1986 by ASME
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