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.
Gas Squeeze Film Stiffness and Damping Torques on a Circular Disk Oscillating About Its Diameter
J. S. Ausman
Litton Systems, Inc., Guidance and Control Systems Division, Woodland Hills, Calif.
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Ausman, J. S. (April 1, 1967). "Gas Squeeze Film Stiffness and Damping Torques on a Circular Disk Oscillating About Its Diameter." ASME. J. of Lubrication Tech. April 1967; 89(2): 219–221. https://doi.org/10.1115/1.3616951
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