Elastohydrodynamic Model of the Rotary Lip Seal

[+] Author and Article Information
R. F. Salant

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Tribol 118(2), 292-296 (Apr 01, 1996) (5 pages) doi:10.1115/1.2831298 History: Received March 03, 1995; Revised June 25, 1995; Online January 24, 2008


A model of the non-leaking equilibrium behavior of the lip seal has been developed. It consists of an elastohydrodynamic model of the lubricating film and a simplified model of the meniscus on the air-side of the seal. The model predicts the location of the meniscus, the film thickness and pressure distributions, and the locations of cavitation regions. It also predicts the maximum pressure that can be sealed with zero leakage, and the maximum speed, above which the meniscus is ingested into the sealing zone.

Copyright © 1996 by The American Society of Mechanical Engineers
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