Characteristics of Squeeze Air Film Between Nonparallel Plates

[+] Author and Article Information
H. Takada, S. Kamigaichi, H. Miura

Department of Mechanical Engineering, University of Tokyo, Tokyo, 113 Japan

J. of Lubrication Tech 105(1), 147-152 (Jan 01, 1983) (6 pages) doi:10.1115/1.3254532 History: Received October 26, 1981; Online November 13, 2009


The dynamic pressure in a squeeze film and the air flow through the film were analyzed experimentally and theoretically. The dynamic pressure was measured in a squeeze film between two rectangular plates with a small pressure transducer. Approximate solutions for the rectangular squeeze film were obtained analytically. The results were valid for small excursion ratios. Next, a squeeze film between nonparallel plates (wedge film) was examined. In this case, steady air flow occurred due to the unsymmetry of the pressure distribution. To investigate this fact, the air flow was measured in a spherical squeeze film. The values showed good agreement with the theoretical results.

Copyright © 1983 by ASME
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