0
Article

Thermohydrodynamic Analysis of Surface Roughness in the Flow Field

[+] Author and Article Information
Joon Hyun Kim, Joo-Hyun Kim

School of Mechanical and Automotive Engineering, Kookmin University, 861-1 Chongnung-dong, Songbuk-gu, Seoul 136-702 Korea

J. Tribol 127(2), 293-301 (Apr 07, 2005) (9 pages) doi:10.1115/1.1828072 History: Received December 18, 2003; Revised August 30, 2004; Online April 07, 2005
Copyright © 2005 by ASME
Your Session has timed out. Please sign back in to continue.

References

Hsiao,  H-S. S., and Hamrock,  J. H., 1994, “Non-Newtonian and Thermal Effects on Film Generation and Traction Reduction in EHL Line Contact,” J. Tribol., 116, pp. 559–568.
Streator,  J. L., Gerhardstein,  J. P., and McCollum,  C. B., 1994, “The Low-Pressure Rheology of Ultra-Thin Lubricant Films and Its Influence on Sliding Contact,” J. Tribol., 116, pp. 119–126.
Feng,  R., and Ramesh,  K. T., 1993, “The Rheology of Lubricants at High Shear Rates,” J. Tribol., 115, pp. 640–647.
Bair,  S., and Winer,  W. O., 1990, “The High Shear Stress Rheology of Liquid Lubricants at Pressure of 2 to 200 Mpa,” J. Tribol., 112, pp. 246–252.
Houpert,  L., Flamand,  L., and Berth,  D., 1981, “Rheological and Thermal Effects in Lubricated E.H.D. Contacts,” J. Lubr. Technol., 103, pp. 526–532.
Bair,  S., and Winer,  W. O., 1992, “The High Pressure, High Shear Stress Rheology of Liquid Lubricants,” J. Tribol., 114, pp. 1–13.
Christensen,  H., 1969, “Stochastic Models for Hydrodynamic Lubrication of Rough Surfaces,” Proc. Inst. Mech. Eng., 184, pt. l, pp. 1013–1022.
Christensen,  H., and Tonder,  K., 1973, “The Hydrodynamic Lubrication of Rough Journal Bearings,” J. Lubr. Technol., 95, pp. 166–175.
Patir,  N., and Cheng,  H. S., 1978, “An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication,” J. Lubr. Technol., 100, pp. 12–17.
Nakai,  H., Ino,  N., and Hashimoto,  H., 1998, “Effects of Film Temperature on Piston-Ring Lubrication for Refrigeration Compressors Considering Surface Roughness,” J. Tribol., 120, pp. 252–258.
Phan-Thien,  N., 1982, “On the Mean Reynolds equation in the Presence of Homogeneous Random Surface Roughness,” J. Appl. Mech., 49, pp. 476–480.
Hashimoto,  H., 1996, “Thermohydrodynamic Analysis of High-Speed Journal Bearings With Surface Roughness,” J. Tribol., 118, pp. 698–701.
Ramesh,  J., Majumdar,  B. C., and Rao,  N. S., 1997, “Thermohydrodynamic Analysis of Submerged Oil Journal Bearings Considering Surface Roughness Effects,” J. Tribol., 119, pp. 100–106.
Shukla,  J. B., 1978, “A New Theory of Lubrication for Rough Surfaces,” Wear, 49, pp. 33–42.
Li,  W-L., 1998, “Surface Roughness Effects in Hydrodynamic Lubrication Involving the Mixture of Two Fluids,” J. Tribol., 120, pp. 772–780.
Brinkman,  H. C., 1947, “A Calculation of the Viscous Force Exerted by a Flowing Fluid on a Dense Swarm of Particle,” Appl. Sci. Res., Sect. A, 1, pp. 27–34.
Neagle,  G., and Nader,  W., 1974, “Practical Significance of Brinkman’s Extension of Darcy’s law,” Can. J. Chem. Eng., 52, pp. 475–478.
Chilamakuri,  S. K., and Bhushan,  B., 1998, “Contact Analysis of Non-Gaussian Random Surfaces,” Proc. Inst. Mech. Eng., 212, pt. J, pp. 19–32.
Bair,  S., Qureshi,  F., and Khonsari,  M., 1994, “Adiabatic Shear Localization in Liquid Lubrication Under Pressure,” J. Tribol., 116, pp. 705–709.
Wang,  N. Z., and Seireg,  A. A., 1995, “Empirical Prediction of the Shear Layer Thickness in Lubricating Films,” J. Tribol., 117, pp. 444–449.
Kim,  J. H., and Seireg,  A. A., 2000, “Thermohydrodynamic Lubrication Analysis Incorporating Bingham Rheological Model,” J. Tribol., 122, pp. 137–146.
Fillon,  M., Bligoud,  J-C., and Frene,  J., 1992, “Experimental Study of Tilting-Pad Journal Bearings-Comparison with Theoretical Thermoelastohydrodynamic Results,” J. Tribol., 114, pp. 579–588.
Ferron,  J., Frene,  J., and Boncompain,  R., 1983, “A Study of the Thermohydrodynamic Performance of a Plain Journal Bearing Comparison Between Theory and Experiments,” J. Tribol., 105, pp. 422–428.
Seireg,  A., and Dandage,  S., 1982, “Empirical Design Procedure for the Thermohydrodynamic Behavior of Journal Bearings,” J. Lubr. Technol., 104, pp. 135–148.

Figures

Grahic Jump Location
Surface profile and probability density function of a surface to show the number of points in the idealized model
Grahic Jump Location
Linear transformation of any normal variable into the standard normal variable
Grahic Jump Location
Computational domain of multilayered films in the finite bearing and simplified velocity profile in the lubrication film considering two core zones and one shear zone
Grahic Jump Location
Probability density surfaces for contact or adjacent contact surfaces
Grahic Jump Location
Bearing pressure and temperature history given varying speed (R=36×10−3 m,C=100×10−6 m,ε=0.9, and T0=40°C)
Grahic Jump Location
Effect of roughness on the maximum pressure for different L/D ratio factor. Curves for R=36×10−3 m,C=100×10−6 m,ε=0.9,T0=40°C, and N=1000 rpm are obtained from the multilayer analysis for an isotropic-oriented surface.
Grahic Jump Location
Effect of surface roughness on the maximum temperature given varying L/D ratios (R=36×10−3 m,C=100×10−6 m,ε=0.9,T0=40°C, and N=1000 rpm)
Grahic Jump Location
(a) Journal bearing pressure speed characteristics; (b) Pressure distribution for various surface roughness parameters along the centerline of the journal bearing in the direction of sliding motion
Grahic Jump Location
Dimensionless temperature distribution at the midplane in the sliding direction (R=36×10−3 m,L=21×10−3 m,C=100×10−6 m,ε=0.9, and T0=40°C). (a) N=1000 rpm; (b) N=2000 rpm.
Grahic Jump Location
Journal system temperature-speed characteristics with varying roughness parameters, ( Cases 1, 2: N=500–2000 rpm,R=36,50×10−3 m,L=21,80×10−3 m,C=0.1,0.145×10−3 m,ε=0.9, 0.72 and T0=40°C; Case 3 [Ferron]: N=2000 rpm,R=50×10−3 m,L=80×10−3 m,C=0.145×10−3 m,ε=0.72; Cases 4, 5 [Fillon]: N=1000, 2000 rpm, R=49.986×10−3 m,L=70×10−3 m,C=0.50,0.79×10−3 m; and Case 6 [Ramesh]: N=2000 rpm,C/σ=2,ε=0.8).
Grahic Jump Location
Average contact pressure given various surface roughness parameters along the centerline in the narrow zone of the journal bearing (R=36×10−3 m,L=21×10−3 m,C=100×10−6 m,ε=0.9,T0=40°C, and N=1000 rpm). Average contact pressure: pc=f(d,σ,F3/2).

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