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TECHNICAL PAPERS

An Average Flow Model of Rough Surface Lubrication With Inter-Asperity Cavitation

[+] Author and Article Information
Susan R. Harp, Richard F. Salant

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Tribol 123(1), 134-143 (Oct 17, 2000) (10 pages) doi:10.1115/1.1332397 History: Received May 04, 2000; Revised October 17, 2000
Copyright © 2001 by ASME
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References

Figures

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Control volume with inter-asperity cavitation zones
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Film thickness definitions
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Boundary conditions in shear and density flow factor experiments
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Boundary conditions in pressure flow factor experiments
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Shear flow factors, γ =1
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Density flow factors, γ =1
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Percent area cavitated, γ =1
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Average pressure profile from numerical experiment (3b); h/σ = 5,γ = 1, α = 347
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Curve fits of the pressure rise correlations
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Example 1, deterministic and Patir and Cheng pressure profiles
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Example 1, deterministic and smooth pressure profiles
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Example 1, flow in x-direction
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Example 2, pressure profiles
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Example 2, percent area cavitated
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Example 2, Poiseuille flow in y-direction
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Example 2, flow in x-direction
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Example 3, present model and Patir and Cheng pressure profiles
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Example 3, present model and deterministic pressure profiles
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Example 3, present model and deterministic percent area cavitated
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Example 3, flow in x-direction

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