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TECHNICAL PAPERS

On the Formation of Hot Spots in Wet Clutch Systems

[+] Author and Article Information
J. Y. Jang

Center for Advanced Friction Studies, Southern Illinois University, Carbondale, IL 62901-4343

M. M. Khonsari

Department of Mechanical Engineering, 2508 CEBA, Louisiana State University, Baton Rouge, LA 70803

J. Tribol 124(2), 336-345 (Jul 06, 2001) (10 pages) doi:10.1115/1.1402132 History: Received January 25, 2001; Revised July 06, 2001
Copyright © 2002 by ASME
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References

Jang,  J. Y., and Khonsari,  M. M., 1999, “Thermal Characteristics of a Wet Clutch,” ASME J. Tribol., 121, pp. 610–617.
Burton,  R. A., Nerlikar,  V., and Kilaparti,  R., 1973, “Thermoelastic Instability in a Seal-Like Configuration,” Wear, 24, pp. 177–188.
Lee,  K., and Barber,  J. R., 1993, “Frictionally Excited Thermoelastic Instability in Automotive Disk Brakes,” ASME J. Tribol., 115, pp. 607–614.
Lee,  K., and Barber,  J. R., 1993, “The Effect of Shear Tractions on Frictionally-Excited Thermoelastic Instability,” Wear, 160, pp. 237–242.
Jang,  J. Y., and Khonsari,  M. M., 1999, “Thermoelastic Instability Including Surface Roughness Effects,” ASME J. Tribol., 121, pp. 648–654.
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 Average Flow Model to Lubrication Between Rough Sliding Surfaces,” ASME J. Lubr. Technol., 101, pp. 220–230.
Natsumeda,  S., and Miyoshi,  T., 1994, “Numerical Simulation of Engagement of Paper Based Wet Clutch Facing,” ASME J. Tribol., 116, pp. 232–237.
Jang,  J. Y., and Khonsari,  M. M., 2000, “Thermoelastic Instability with Consideration of Surface Roughness and Hydrodynamic Lubrication,” ASME J. Tribol., 122, pp. 725–732.
Greenwood,  J. A., and Williamson,  J. B. P., 1966, “Contact of Nominally Flat Surfaces,” Proc. R. Soc. London, Ser. A, 295, pp. 300–319.
Barber, J. R., 1992, Elasticity, Kluwer Academic Publishers, MA, pp. 200–201.
Banerjee,  B. N., and Burton,  R. A., 1976, “An Instability for Parallel Sliding of Solid Surfaces Separated by a Viscous Liquid Film,” J. Lubr. Technol., 98, pp. 157–166.
Zagrodzki,  P., 1990, “Analysis of Thermomechanical Phenomena in Multidisc Clutches and Brakes,” Wear, 140, pp. 291–308.

Figures

Grahic Jump Location
Effect of permeability of friction material (n=12)
Grahic Jump Location
Effect of permeability of friction material (ho=1 μm)
Grahic Jump Location
Effect of elastic modulus of friction material (φ=10−14 m2;n=12)
Grahic Jump Location
Effect of thickness of friction material (φ=10−14 m2;n=12)
Grahic Jump Location
Effect of thickness of mating steel separator (φ=10−14 m2;n=12)
Grahic Jump Location
Effect of elastic modulus of mating steel separator (φ=10−14 m2;n=12)
Grahic Jump Location
Effect of thermal conductivity of mating steel separator (φ=10−14 m2;n=12)
Grahic Jump Location
Effect of thermal expansion coefficient of mating steel separator (φ=10−14 m2;n=12)

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