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RESEARCH PAPERS

The Effects of a Stationary Surface Pocket on EHL Line Contact Start-Up

[+] Author and Article Information
Jiaxin Zhao

Department of Engineering, Indiana University-Purdue University Fort Wayne, Fort Wayne, IN 46805-1499

Farshid Sadeghi

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1288

J. Tribol 126(4), 672-680 (Nov 09, 2004) (9 pages) doi:10.1115/1.1759342 History: Received June 24, 2003; Revised October 24, 2003; Online November 09, 2004
Copyright © 2004 by ASME
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References

Etsion,  I., Kligerman,  Y., and Halperin,  G., 1999, “Analytical and Experimental Investigation of Laser-Textured Mechanical Seal Faces,” Tribol. Trans., 42, pp. 511–516.
Chilamakuri,  S., Zhao,  X., and Bhushan,  B., 2000, “Failure Analysis of Laser-Textured Surfaces,” Proc. Inst. Mech. Eng., Part J: J. Eng. Tribol., 214, pp. 471–483.
Geiger,  M., Roth,  S., and Becker,  W., 1998, “Influence of Laser-Produced Microstructures on the Tribological Behavior of Ceramics,” Surf. Coat. Technol., 100–101, pp. 17–22.
Dumont,  M.-L., Lugt,  P. M., and Tripp,  J. H., 2002, “Surface Feature Effects in Starved Circular EHL Contacts,” ASME J. Tribol., 124, pp. 358–366.
Lubrecht, A. A., 1987, “Numerical Solution of the EHL Line and Point Contact Problem Using Multigrid Techniques,” Ph.D. thesis, University of Twente, Enschede, The Netherlands, ISBN 90-9001583-3.
Venner, C. H., 1991, “Multilevel Solution of the EHL Line and Point Contact Problems,” Ph.D. thesis, University of Twente, Enschede, The Netherlands, ISBN 90-9003974-0.
Brandt,  A., and Lubrecht,  A. A., 1990, “Multilevel Matrix Multiplication and Fast Solution of Integral Equations,” J. Comput. Phys., 90, pp. 348–370.
Stanley,  H. M., and Kato,  T., 1997, “An FFT-Based Method for Rough Surface Contact,” ASME J. Tribol., 119, pp. 481–485.
Venner,  C. H., and Lubrecht,  A. A., 1994, “Numerical Simulation of a Transverse Ridge in a Circular EHL Contact Under Rolling/Sliding,” ASME J. Tribol., 116, pp. 751–761.
Kaneta,  M., Sakai,  T., and Nishikawa,  H., 1992, “Optical Interferometric Observations of the Effects of a Bump on Point Contact EHL,” ASME J. Tribol., 114, pp. 779–784.
Lubrecht,  A. A., and Venner,  C. H., 1999, “Elastohydrodynamic Lubrication of Rough Surfaces,” Proc. Inst. Mech. Eng., Part J: J. Eng. Tribol., 213, pp. 397–404.
Venner,  C. H., and Morales-Espejel,  G. E., 1999, “Amplitude Reduction of Small-Amplitude Waviness in Transient Elastohydrodynamically Lubricated Line Contacts,” Proc. Inst. Mech. Eng., Part J: J. Eng. Tribol., 213, pp. 487–504.
Xu,  G., and Sadeghi,  F., 1996, “Thermal EHL Analysis of Circular Contacts With Measured Surface Roughness,” ASME J. Tribol., 118, pp. 473–483.
Morales-Espejel,  G. E., Venner,  C. H., and Greenwood,  J. A., 2000, “Kinematics of Transverse Real Roughness in Elastohydrodynamically Lubricated Line Contacts Using Fourier Analysis,” Proc. Inst. Mech. Eng., Part J: J. Eng. Tribol., 214, pp. 523–534.
Hua,  D. Y., Qiu,  L., and Cheng,  H. S., 1997, “Modeling of Lubrication in Micro Contact,” Tribol. Lett., 3, pp. 81–86.
Jiang,  X., Hua,  D. Y., Cheng,  H. S., Ai,  X., and Lee,  S. C., 1999, “A Mixed Elastohydrodynamic Lubrication Model With Asperity Contact,” ASME J. Tribol., 121, pp. 481–491.
Hu,  Y., and Zhu,  D., 2000, “A Full Numerical Solution to the Mixed Lubrication in Point Contacts,” ASME J. Tribol., 122, pp. 1–9.
Elrod,  H. G., 1981, “A Cavitation Algorithm,” ASME J. Lubr. Technol., 103, pp. 350–354.
Chevalier,  F., Lubrecht,  A. A., Cann,  P. M. E., Colin,  F., and Dalmaz,  G., 1998, “Film Thickness in Starved EHL Point Contacts,” ASME J. Tribol., 120, pp. 126–133.
Zhao,  J., Sadeghi,  F., and Hoeprich,  M. H., 2001, “Analysis of EHL Circular Contact Start Up: Part I—Mixed Contact Model with Pressure and Film Thickness Results,” ASME J. Tribol., 123, pp. 67–74.
Zhao,  J., Sadeghi,  F., and Hoeprich,  M. H., 2001, “Analysis of EHL Circular Contact Start Up: Part II—Surface Temperature Rise Model and Results,” ASME J. Tribol., 123, pp. 75–82.
Glovnea,  R. P., and Spikes,  H. A., 2001, “Elastohydrodynamic Film Formation at the Start-Up of the Motion,” Proc. Inst. Mech. Eng., Part J: J. Eng. Tribol., 215, pp. 125–138.
Zhao,  J., Sadeghi,  F., and Nixon,  H. M., 2000, “A Finite Element Analysis of Surface Pocket Effects in Hertzian Line Contact,” ASME J. Tribol., 122, pp. 47–54.
Sugimura,  J., Jones,  W. R., and Spikes,  H. A., 1998, “EHD Film Thickness in Non-Steady State Contacts,” ASME J. Tribol., 120, pp. 442–452.
Venner,  C. H., 1994, “Higher-Order Multilevel Solvers for the EHL Line and Point Contact Problem,” ASME J. Tribol., 116, pp. 741–750.
Venner, C. H., and Lubrecht, A. A., 2000, Multi-level Methods in Lubrication, Elsevier, Amsterdam, The Netherlands.
Press, W. H., Teukolsky, S. A., Vetterling, W. T., and Flannery, B. P., 1992, Numerical Recipes in C, Cambridge University Press, Cambridge, UK.

Figures

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Sub-contact regions in the solution domain in EHL line contact start-up with a central surface pocket (solid line is the pressure profile and dashed line is the film thickness distribution)
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Geometry of cosine curvature surface pocket at center of contact
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Change of contact parameters in smooth surface start-up
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Pressure and film thickness distributions during smooth surface start-up
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Comparison of steady-state pressure and film thickness distributions with or without mass balance enforced
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Comparison of pressure and film thickness distributions from FEA analysis and current model (circular pocket)
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Initial hydrostatic pressure as a function of entrapment parameter
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Pressure and film thickness distributions at the beginning of the start-up process
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Contact parameters change in the start-up with no lubricant trapped in the pocket (ηe=0.0)
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Pressure and film thickness distributions during the inlet lubricant film build-up (ηe=0.0)
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Pressure and film thickness distributions during the pocket lubricant film build-up (ηe=0.0)
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Contact parameters change in the start-up with initial hydrostatic pressure in the pocket region (ηe=0.2)
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Pressure and film thickness distributions during the inlet and pocket lubricant films build-up (ηe=0.2)
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Pressure and film thickness distributions during the pocket refill stage (ηe=0.2)

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