On the Growth Rate of Thermoelastic Instability-Reference-Cited by-同舟云学术

On the Growth Rate of Thermoelastic Instability

Published:2004-01-01 Issue:1 Volume:126 Page:50-55
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Jang J. Y.¹,Khonsari M. M.¹

Affiliation:

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

Abstract

Thermoelastic instability (TEI) is known to be directly related to the occurrence of hot spots in friction systems, such as brakes, seals, and clutches. TEI is a failure process where the local frictional heat, thermal expansion, contacting pressure and temperature grow rapidly over a certain critical value of the operating speed. In this article, we examine the rate of growth of instability and establish a link between the wave speed and the configuration of hot spots as well as its penetrating depth. The analysis includes provision for surface roughness and is capable of treating bodies of finite thickness with or without liquid lubrication.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/126/1/50/5939368/50_1.pdf

Reference9 articles.

1. Burton, R. A. , 1980, “Thermal Deformation in Frictionally Heated Contact,” Wear, 59, pp. 1–20.

2. Yi, Y. B., Barber, J. R., and Zagrodzki, P., 2000, “Eigenvalue solution of Thermoelastic Instability Problems using Fourier Reduction,” Proc. R. Soc. London, Ser. A, 456, pp. 2799–2821.

3. Jang, J. Y., and Khonsari, M. M., 1999, “Thermoelastic Instability Including Surface Roughness Effects,” ASME J. Tribol., 121, pp. 648–654.

4. 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.

5. Jang, J. Y., and Khonsari, M. M., 2002, “On the Formation of Hot Spots in Wet Clutch Systems,” ASME J. Tribol., 124, pp. 336–345.

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