Reduction of Air Films in Magnetic Recording by External Air Pressure

[+] Author and Article Information
A. Eshel

Ampex Corp., Redwood City, Calif.

J. of Lubrication Tech 96(2), 247-249 (Apr 01, 1974) (3 pages) doi:10.1115/1.3451939 History: Received June 26, 1973; Online October 18, 2010


The effect of external pressure exerted on foil bearings is studied. Analysis and numerical results are provided for its influence on the bearing gap. It is shown that a substantial reduction in film thickness can be achieved by applying small pressures in the inlet zone. The effect of several pertinent parameters is presented and discussed.

Copyright © 1974 by ASME
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