Infrared Temperature Mapping in Elastohydrodynamic Lubrication

[+] Author and Article Information
V. K. Ausherman, H. S. Nagaraj, D. M. Sanborn, W. O. Winer

Georgia Institute of Technology, School of Mechanical Engineering, Atlanta, Ga.

J. of Lubrication Tech 98(2), 236-242 (Apr 01, 1976) (7 pages) doi:10.1115/1.3452806 History: Received June 19, 1975; Online October 20, 2010


An improved technique for the measurement of temperature distributions in an EHD conjunction is presented. The technique reported here employs the infrared radiation emitted by the EHD conjunction and appears more rigorous, more reliable, and less cumbersome than that reported previously by the authors. Detailed mapping of fluid temperature (averaged through the thickness) and the ball surface temperature can be obtained. These temperature distributions have been reported for a naphthenic mineral oil for peak Hertz pressures of 1.05 and 1.51 GN/m2 (148 and 219 kpsi), at sliding speeds ranging from 0.35 to 12.7 m/s (13.4 to 500 ips) and a bath temperature of 40°C.

Copyright © 1976 by ASME
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