In this paper the subject of friction prediction is revisited, with the aim of obtaining a general formula predicting the coefficient of friction over a wide range of operating conditions. By means of full numerical simulations of the smooth isothermal elliptic contact, and assuming an Eyring non-Newtonian behavior, the coefficient of friction is computed for a wide range of operating conditions. It is shown that with respect to sliding friction, all results can be presented on a single generalized friction curve relating a reduced coefficient of friction to a characteristic nondimensional shear stress. Finally, it is shown that some measured data presented in the literature when presented in terms of the derived parameters closely follow the derived behavior, which provides a validation of the theoretical results.
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April 2001
Technical Papers
A Generalized Traction Curve for EHL Contacts
B. Jacod,
e-mail: b.c.jacod@wb.utwente.nl
B. Jacod
University of Twente, Faculty of Mechanical Engineering, P.O. Box 217, NL 7500 AE Enschede, The Netherlands
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C. H. Venner,
C. H. Venner
University of Twente, Faculty of Mechanical Engineering, P.O. Box 217, NL 7500 AE Enschede, The Netherlands
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P. M. Lugt
P. M. Lugt
SKF Engineering and Research Center B. V., P.O. Box 2350, NL 3430 DT Nieuwegein, The Netherlands
Search for other works by this author on:
B. Jacod
University of Twente, Faculty of Mechanical Engineering, P.O. Box 217, NL 7500 AE Enschede, The Netherlands
e-mail: b.c.jacod@wb.utwente.nl
C. H. Venner
University of Twente, Faculty of Mechanical Engineering, P.O. Box 217, NL 7500 AE Enschede, The Netherlands
P. M. Lugt
SKF Engineering and Research Center B. V., P.O. Box 2350, NL 3430 DT Nieuwegein, The Netherlands
Contributed by the Tribology Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for presentation at the STLE/ASME Tribology Conference, Seattle, WA, October 1–4. Manuscript received by the Tribology Division Jan. 25, 2000; revised manuscript received June 8, 2000. Paper No. 2000-TR1B-11. Associate Editor: B. O. Jacobson.
J. Tribol. Apr 2001, 123(2): 248-253 (6 pages)
Published Online: June 8, 2000
Article history
Received:
January 25, 2000
Revised:
June 8, 2000
Citation
Jacod, B., Venner, C. H., and Lugt, P. M. (June 8, 2000). "A Generalized Traction Curve for EHL Contacts ." ASME. J. Tribol. April 2001; 123(2): 248–253. https://doi.org/10.1115/1.1308021
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