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TECHNICAL PAPERS

Influence of Longitudinal Roughness on Friction in EHL Contacts

[+] Author and Article Information
B. Jacod, 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 Centre B.V., P.O. Box 2350, NL 3430 DT Nieuwegein, The Netherlands

J. Tribol 126(3), 473-481 (Jun 28, 2004) (9 pages) doi:10.1115/1.1705664 History: Received February 20, 2003; Revised August 20, 2003; Online June 28, 2004
Copyright © 2004 by ASME
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References

Figures

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Pressure (a), film thickness (b). IB1 M=500,L=10,S=0.5 percent and τ0=4 MPa,Ā =0.5 and W =1/6.
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Friction variations δμ̄/μ̄ as a function of τ̄c for Ā =1/2 and W =1/6
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Friction variations δμ̄/μ̄ as a function of (Γ−1) for Ā =1/2 and W =1/6
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Friction variations δμ̄/μ̄ as a function of (Γ−1) for varying Ā and W . Plain line, Eq. (23).
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Comparison of friction variations calculated for RX/RY=1/2 or RX/RY=1/5 and Eq. (23)
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Measured roughness profiles and truncated (n=34) Fourier reconstruction
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Film thickness and pressure profile for R1 (Ā * =0.27) and R2 (Ā * =0.31). Case IB1.
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Comparison of the friction variation δμ̄/μ̄ obtained for the reconstructed profiles by full numerical calculation and by Eq. (25) and Eq. (23). From left to right IB2, CR1, IB1, CY2, CY1 and CR2.

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