Abstract

The dynamic tilt stiffness and damping coefficients of an externally pressurized porous gas bearing with journal rotation have been calculated theoretically. A periodic disturbance (angular displacement) about the transverse axis is imposed on the bearing and the dynamic pressure distribution is determined by small perturbations of the Reynolds equation. Non-dimensional tilt stiffness and damping coefficients for various design conditions are calculated numerically using a digital computer and presented in the form of figures and tables.

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