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Numerical Modeling of Surface Temperature Rising on Imperfect Sliding Electrical Contact

[+] Author Affiliations
Wan-Sik Kim, Q. Jane Wang, Mark Asta, Herbert S. Cheng

Northwestern University, Evanston, IL

Shuangbiao Liu

Caterpillar, Inc., Peoria, IL

Paper No. WTC2005-64142, pp. 889-890; 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


This paper describes a model for numerical prediction of surface temperature rising due to frictional and electrical Joule heating between rough surfaces with discrete and continuous convolution fast Fourier transform (DC-FFT and CC-FFT). Contact resistance in non-conformal rough contact is defined and also surface temperature is simulated with frictional and Joule heating components of heat fluxes in rough surface contact. The computational prediction of temperature rising of sliding rough surface contact with electrical current may facilitate the understanding of imperfect electrical contact (ImPEC) and extreme condition lubrication.

Copyright © 2005 by ASME



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