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TECHNICAL PAPERS

Waviness Deformation in Starved EHL Circular Contacts

[+] Author and Article Information
C. H. Venner

University of Twente, Faculty of Mechanical Engineering, Department of Engineering Fluid Dynamics, P.O. Box 217, 7500 AE Enschede, The Netherlands

G. Berger

Laboratoire de Mécanique des Contacts, UMR CNRS 5514, INSA de Lyon, 20 Ave. A. Einstein, 69621, Villeurbanne Cedex, France

P. M. Lugt

SKF Engineering & Research Centre, P.O. Box 2350, 3430 DT Nieuwegein, The Netherlands

J. Tribol 126(2), 248-257 (Apr 19, 2004) (10 pages) doi:10.1115/1.1572514 History: Received September 11, 2002; Revised December 30, 2002; Online April 19, 2004
Copyright © 2003 by ASME
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References

Figures

Grahic Jump Location
Illustration of pressurized and cavitated/starved region in an EHL contact with limited lubricant supply at the inlet
Grahic Jump Location
Dimensionless pressure P (top), film thickness H (center) and fractional film content θ as a function of X and Y for M=20,L=10. Starved contact: Hoil/Hcf=0.5.
Grahic Jump Location
Dimensionless pressure P (top) and film thickness H (bottom) as a function of X at the centerline Y=0 for the case M=20,L=10 and Hoil/Hcf=∞, 2, 1, 1/2, 1/4, and 1/8.
Grahic Jump Location
Dimensionless pressure P (top) and film thickness H (bottom) at the line X=0 as a function of Y for the case M=20,L=10 and Hoil/Hcf=∞, 2, 1, 1/2, 1/4, and 1/8.
Grahic Jump Location
Snapshot of the dimensionless pressure P (top), and film thickness H (bottom) as a function of X and Y at a given time for M=20,L=10,Σ=0. Transverse waviness, λx/a=1/2,λy/a=∞. Starved contact: Hoil/Hcf=0.5.
Grahic Jump Location
Dimensionless pressure (top) and film thickness (bottom) as a function of X at the centerline of the contact Y=0 for different Hoil.M=20,L=10,Σ=0. Transverse waviness, λx/a=1/2,λy/a=∞. Starved contact: Hoil/Hcf=∞,1,1/2,1/3,1/4.
Grahic Jump Location
Relative deformed amplitude Ad/Ai as a function of ∇=c(λ/a)(ᾱ)3/2/L−2 and Hoil/Hcf for transverse (top) and isotropic (bottom) waviness in a starved contact. The drawn line represents the predictions of Eq. (17).
Grahic Jump Location
Relative deformed amplitude Ad/Ai as a function of ∇̃=(Hcf/Hc)3/2∇ for transverse (top) and isotropic (bottom) waviness. The drawn line represents the predictions of Eq. (17) with ∇ replaced by ñabla.

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