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Thermal and Non-Newtonian Numerical Analyses for Starved EHL Line Contacts

[+] Author Affiliations
P. Yang, M. Kaneta

Kyushu Institute of Technology, Kitakyushu, Japan

J. Wang

Qingdao Technological University, Qingdao, China

Paper No. WTC2005-63390, pp. 469-470; 2 pages
doi:10.1115/WTC2005-63390
From:
  • 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

abstract

Numerical analyses have been carried out for the elastohydrodynamic lubrication (EHL) in line contacts under both fully flooded and starved conditions. The thermal effect and the Ree-Eyring non-Newtonian flow have been taken into account. The relation between the inlet meniscus and the thickness of the available lubricant layer has been investigated and it has been found that a very thin layer of available lubricant film on the moving surface is enough to fill the gap downstream the meniscus, making the contact work under a fully flooded condition. The pressures, film profiles, temperature distributions and the traction coefficients have been discussed. The thermal non-Newtonian results have been compared with the thermal and isothermal Newtonian results.

Copyright © 2005 by ASME

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