Pumping Action of Aligned Smooth Face Seals Due to Axial Vibrations—Theory

[+] Author and Article Information
M. Kaneta, Y. Jinnouchi, M. Fukahori

Department of Mechanical Engineering, Kyushu Institute of Technology, Sensui-cho, Tobata, Kita-Kyushu, 804, Japan

J. Tribol 106(3), 344-351 (Jul 01, 1984) (8 pages) doi:10.1115/1.3260930 History: Received February 11, 1982; Online October 29, 2009


This is an analytical study of the mechanism of pumping action produced in two axially symmetrical disks. The disks have a continuous parallel film thickness between them, and one of them has a recess at the center and is subjected to a normal sinusoidal oscillation. It is found out that whether the pumping action is inward or outward depends upon a shift of phase between a variation of flow resistance due to a periodic fluctuation of the film thickness between seal faces and a variation of pressure in the recess.

Copyright © 1984 by ASME
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