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Thermal EHL Analyses of Point Contacts With Surface Roughness

[+] Author Affiliations
J. Wang, M. Kaneta

Kyushu Institute of Technology, Kitakyushu, Japan

P. Yang

Qingdao Technological University, Qingdao, China

Paper No. WTC2005-63584, pp. 495-496; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


The Newtonian thermal EHL analyses of point contacts with two-sided surface roughness have been performed under pure rolling, sliding/rolling and simple sliding conditions. Thermal results are compared with isothermal ones. It has been found that the sliding motion produces high temperature rise and reduces the film thickness greatly. The influence of amplitude and wavelength of the surface roughness on variation of tribo-characteristics of oil film is also discussed.

Copyright © 2005 by ASME



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