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TECHNICAL PAPERS

Thermal Effects on the Film Thickness in Elliptic EHL Contacts With Entrainment Along the Major Contact Axis

[+] Author and Article Information
M. Kaneta, R. Kawashima, S. Masuda, H. Nishikawa

Department of Mechanical and Control Engineering, Kyushu Institute of Technology, Sensuicho, Tobata, Kitakyushu 804-8550, Japan

P. Yang, J. Wang

Department of Mechanical Engineering, Qingdao Institute of Architecture and Engineering, Qingdao 266033, People’s Republic of China

J. Tribol 124(2), 420-427 (Jun 26, 2001) (8 pages) doi:10.1115/1.1430675 History: Received January 23, 2001; Revised June 26, 2001
Copyright © 2002 by ASME
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References

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Kaneta,  M., Nishikawa,  H., Kanada,  T., and Matsuda,  K., 1996, “Abnormal Phenomena Appearing in EHL Contacts,” ASME J. Tribol., 118, pp. 886–892.
Kaneta, M., 1999, “For the Establishment of a New EHL Theory,” Proc. 25th Leeds-Lyon Symposium on Tribology, pp. 25–36.
Kaneta, M., and Nishikawa, H., 2000, “Formation of Dimples in Elliptical EHL Contacts,” Proc. 26th Leeds-Lyon Symposium on Tribology, pp. 599–607.
Ehret,  P., Dowson,  D., and Taylor,  C. M., 1998, “On the Lubricant Transport Conditions in Elastohydrodynamic Conjunctions,” Proc. R. Soc. London, Ser. A, 454, pp. 763–787.
Schaefer, C. T., Giese, P., Rowe, W. B., and Woolley, N. H., 1999, “Elastohydrodynamically Lubricated Line Contact based on the Navier-Stokes Equations,” Proc. 26th Leeds-Lyon Symposium on Tribology, pp. 57–69.
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Cameron,  A., 1951, “Hydrodynamic Lubrication of Rotating Disks in Pure Sliding, A New Type of Oil Film Formation,” J. Inst. Pet., 37, pp. 471–485.
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Foord,  C. A., Wedeven,  L. D., Westlake,  F. J., and Cameron,  A., 1969/1970, “Optical Elastohydrodynamics,” Proc. Inst. Mech. Eng., 184, Part 1, No. 28, pp. 487–505.
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Venner, C. H., 1991, “Multilevel Solution of the EHL Line and Point Contact Problems,” Ph.D. thesis, University of Twente, Enschede, Netherlands.
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Figures

Grahic Jump Location
Schematic diagram of the experimental apparatus
Grahic Jump Location
Interferograms and film profiles obtained experimentally, Santotrac 100, pmax=0.39 GPa,Rx=79.8 mm,Ry=11.07 mm,G=6306, and W=7.89×10−8
Grahic Jump Location
Time sequence of interferograms obtained experimentally, Santotrac 100, pmax=0.34 GPa,Rx=79.8 mm,Ry=11.07 mm,G=6306,W=5.26×10−8,ug=944 mm/s, and U=1.7×10−11
Grahic Jump Location
Comparison between isothermal and thermal film thicknesses, S100, pmax=0.40 GPa,Rx=141 mm,Ry=20 mm,G=3978, and W=8.79×10−8
Grahic Jump Location
Distributions of the dimensionless pressure, film thickness and temperatures, S100, pmax=0.40 GPa,Rx=352 mm,Ry=50 mm,G=3978,W=8.79×10−8, and U=4.3×10−11
Grahic Jump Location
Traction coefficient as a function of dimensionless speed parameter, S100, pmax=0.40 GPa,G=3978, and W=8.79×10−8
Grahic Jump Location
Effect of pressure-viscosity coefficient, S100 but α=18 GPa−1,Rx=141 mm,Ry=20 mm,pmax=0.40 GPa,G=2106, and W=8.79×10−8
Grahic Jump Location
Comparison between measured and calculated film thicknesses, BS oil, α=24 GPa−1,Rx=79.8 mm,Ry=11.07 mm,G=2808,W=5.26×10−8, and pmax=0.34 GPa
Grahic Jump Location
Average moving velocity of dimple, Santotrac 100, pmax=0.34 GPa,Rx=79.8 mm,Ry=11.07 mm,G=6306, and W=5.26×10−8
Grahic Jump Location
Relationship between dimensionless film thickness and dimensionless speed parameter, Santotrac 100, pmax=0.34 GPa,Rx=79.8 mm,Ry=11.07 mm,G=6306, and W=5.26×10−8
Grahic Jump Location
Film thickness contours obtained theoretically, S100, pmax=0.40 GPa,Rx=141 mm,Ry=20 mm,G=3978, and W=8.79×10−8
Grahic Jump Location
Comparison between isothermal and thermal film thicknesses, S100, pmax=0.40 GPa,Rx=352 mm,Ry=50 mm,G=3978, and W=8.79×10−8
Grahic Jump Location
Distributions of the dimensionless pressure, film thickness and temperatures, S100, pmax=0.40 GPa,Rx=141 mm,Ry=20 mm,G=3978,W=8.79×10−8, and U=4.3×10−11

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