Numerical Analysis of the Flow Field Within Lip Seals Containing Microundulations

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

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Ga 30332

J. Tribol 114(3), 485-491 (Jul 01, 1992) (7 pages) doi:10.1115/1.2920909 History: Received February 14, 1991; Revised June 01, 1991; Online June 05, 2008


The flow field within the lubricating film of a rotating shaft lip seal containing microundulations is analyzed numerically. The results demonstrate that the action of the microundulations can prevent leakage through the seal. The effects on leakage rate of shaft speed, undulation amplitude and wavelength, shear deformation of the undulations, flattening of the undulations, and axial lip profile are presented.

Copyright © 1992 by The American Society of Mechanical Engineers
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