Experimental Study on the Dynamics of a Gas-Levitated Disk

[+] Author and Article Information
J. T. Pearson

School of Mechanical Engineering, Purdue University, Lafayette, Ind.

W. S. Bradfield

Department of Mechanics, State University of New York at Stony Brook, Stony Brook, N. Y.

J. Appl. Mech 38(3), 651-658 (Sep 01, 1971) (8 pages) doi:10.1115/1.3408869 History: Received February 18, 1970; Revised June 10, 1970; Online July 12, 2010


Equilibrium and dynamic data are presented along with specifications of uncertainties for the dynamic vertical motion of a solid disk supported above a flat plate by a thin layer of gas which flows from a central orifice. The equilibrium data are compared with an equilibrium theory while the dynamic data are compared with both nonlinear and linear dynamic theories. These data extend beyond the expected region of validity of the theories first to identify the limits of present theories and also to provide data for comparison with future theories.

Copyright © 1971 by ASME
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