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TECHNICAL PAPERS

Average Flow Model of Rough Surface Lubrication: Flow Factors for Sinusoidal Surfaces

[+] Author and Article Information
N. Letalleur, F. Plouraboué, M. Prat

Institut de Mécanique des Fluides de Toulouse, UMR CNRS/INPT/UPS no. 5502, Allée du Pr C. Soula 31400 Toulouse, France

J. Tribol 124(3), 539-546 (May 31, 2002) (8 pages) doi:10.1115/1.1467084 History: Received February 26, 2001; Revised September 25, 2001; Online May 31, 2002
Copyright © 2002 by ASME
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Figures

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Sketch of the situation studied
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Geometry in the plane y=0
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Comparison of pressure flow factors ϕx calculated for stationary case (smooth/rough, solid line) and unstationary one (rough/rough, dotted line). The dashed line corresponds to the saddle point estimate near contact for the smooth/rough case. The inset shows the log-log plot of ϕx near contact with same conventions.
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Comparison of shear stress flow factors ϕfpx calculated for the stationary case (smooth/rough, solid line) and the unstationary one (rough/rough, dotted line). Same conventions as Fig. 3 have been used.
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Comparison of shear stress flow factors ϕsx calculated for the stationary case (smooth/rough, solid line) and the unstationary one (rough/rough, dotted line). Same conventions as Fig. 3 have been used.
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Comparison of shear stress flow factors ϕf calculated for the stationary case (smooth/rough, solid line) and the unstationary one (rough/rough, dotted line). Same conventions as Fig. 3 have been used.
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Comparison of shear stress flow factors ϕfsx calculated for the stationary and the unstationary one. Same conventions as Fig. 3 have been used.

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