Performance and Stability of a Hybrid Spherical Gas Gyrobearing

[+] Author and Article Information
N. M. Sela, J. J. Blech

Faculty of Mechanical Engineering, Haifa, Israel

J. Tribol 113(3), 458-463 (Jul 01, 1991) (6 pages) doi:10.1115/1.2920646 History: Received December 17, 1987; Revised August 22, 1990; Online June 05, 2008


A new spherical Gas Gyrobearing configuration is presented. The static performance is evaluated for general eccentricity, and data is presented for load capacity, gas flow rate and error torque, over a range of eccentricities and gas feed pressures. The dynamic stability of the rotor about an equilibrium point, assuming small perturbations, is analyzed using the step-jump method. Finally, a nonlinear path simulation was performed, by simultaneously solving the Reynolds equation and the rotor’s equations of motion.

Copyright © 1991 by The American Society of Mechanical Engineers
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