Gas Squeeze Film Stiffness and Damping Torques on a Circular Disk Oscillating About Its Diameter

[+] Author and Article Information
J. S. Ausman

Litton Systems, Inc., Guidance and Control Systems Division, Woodland Hills, Calif.

J. of Lubrication Tech 89(2), 219-221 (Apr 01, 1967) (3 pages) doi:10.1115/1.3616951 History: Received June 29, 1966; Online July 12, 2011


A solution of Reynolds’ equation, linearized for small squeeze film motions, is presented which gives the pressure between two disks, one of which is oscillating about its diameter. Integration of the pressure over the surface area of the oscillating disk yields the squeeze film torque acting on it. The stiffness and damping components of this torque are those portions which oppose angular offset and angular velocity, respectively.

Copyright © 1967 by ASME
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