Numerical Analysis of Temperature Distribution at the Lip Seal-Shaft Interface

[+] Author and Article Information
Young Sup Kang, Farshid Sadeghi

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

J. Tribol 119(2), 273-278 (Apr 01, 1997) (6 pages) doi:10.1115/1.2833188 History: Received August 24, 1995; Revised June 26, 1996; Online January 24, 2008


A numerical model has been developed to investigate thermal effects at the lip seal shaft interface. The thermal Reynolds, film thickness, and energy equations with appropriate boundary conditions were discretized according to the control volume finite difference approach and solved using the multigrid multilevel technique. The pressure distribution at the lip seal shaft interface for both isothermal and thermal cases are obtained. The temperature effects on leakage rates are obtained for various operating conditions. The results indicate that temperature effects within the film are significant and increase the side leakage rate as compared to the isothermal case.

Copyright © 1997 by The American Society of Mechanical Engineers
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