0
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
Your Session has timed out. Please sign back in to continue.

References

Hamilton,  D. B., Walowit,  J. A., and Allen,  C. M., 1965, “A Theory of Lubrication by Micro-Irregularities,” ASME J. Basic Eng., Series D, 88, pp. 177–185.
Stakenborg,  M. J. L., 1988, “On the Sealing Mechanism of Radial Lip Seals,” Tribol. Int., 21, pp. 335–340.
Lebeck,  A. O., 1987, “Parallel Sliding Load Support in the Mixed Friction Regime: Part II—Evaluation of the Mechanisms,” ASME J. Tribol., 109, pp. 196–205.
Shi, F., and Salant, R. F., 2000, “Numerical Study of a Rotary Lip Seal with a Quasi-Random Sealing Surface,” accepted for publication, ASME J. Tribol. and preprint 2000-TRIB-29.
Tzeng,  S. T., and Saibel,  E., 1967, “Surface Roughness Effect on Slider Bearing Lubrication,” ASLE Trans., 10, pp. 334–338.
Patir,  N., and Cheng,  H. S., 1978, “An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication,” ASME J. Lubr. Technol., 100, pp. 12–17.
Patir,  N., and Cheng,  H. S., 1979, “Application of the Average Flow Model to Lubrication Between Rough Sliding Surfaces,” ASME J. Lubr. Technol., 101, pp. 220–229.
Elrod,  H. G., 1979, “A General Theory for Laminar Lubrication With Reynolds Roughness,” ASME J. Lubr. Technol., 101, pp. 12–17.
Tripp,  J. H., 1983, “Surface Roughness Effects in Hydrodynamic Lubrication: The Flow Factor Method,” ASME J. Lubr. Technol., 105, pp. 458–465.
Kistler, A. L., Cheng, H. S., Nivatvongs, K., Ozakat, I., 1980 “Cavitation Phenomenon in Face Seals,” ONR Contract N00014-79-0007.
Elrod,  H. G., 1981, “A Cavitation Algorithm,” ASME J. Tribol., 103, pp. 350–354.
Payvar,  P., and Salant,  R. F., 1992, “A Computational Method for Cavitation in a Wavy Mechanical Seal,” ASME J. Tribol., 114, pp. 119–204.
Gabelli, A., 1988, “Micro-Elastohydrodynamic Lubricant Film Formation in Rotary Lip Seal Contacts,” Proc of the 15th Leeds-Lyon Symposium on Tribology, Elsevier, Amsterdam, pp. 57–68.
Patir,  N., 1978, “A Numerical Procedure for Random Generation of Rough Surfaces,” Wear, 47, pp. 263–277.
Harp, S. R., 2000, “A Computational Method for Evaluating Cavitating Flow Between Rough Surfaces,” Ph.D. dissertation, Georgia Institute of Technology, Atlanta, GA.

Figures

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

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In