Compressible Squeeze Films and Squeeze Bearings

[+] Author and Article Information
E. O. J. Salbu

International Business Machines Corp., San Jose Research Laboratory, San Jose, Calif.

J. Basic Eng 86(2), 355-364 (Jun 01, 1964) (10 pages) doi:10.1115/1.3653080 History: Received July 15, 1963; Online November 03, 2011


Experimental agreement with a finite-difference solution of the isothermal squeeze film equation was obtained for steady-state sinusoidal squeeze motion of parallel, coaxial disks. At low squeeze number, the film force is in phase with the velocity; at high squeeze number, with the displacement. Compressibility effects at high squeeze number introduce a superambient mean film pressure, so that it is possible to operate a gas bearing on squeeze effects alone. Thrust bearings, spherical bearings, and journal bearings have been successfully operated as squeeze bearings, using both electromagnetic and piezoelectric devices to generate the squeeze motion.

Copyright © 1964 by ASME
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