Abstract
Dynamic characteristics of air-lubricated slider bearings operating under submicron spacing conditions are investigated theoretically and experimentally. From the modified Reynolds equation, considering slip flow effects, the properties of air film stiffness and damping are calculated in the frequency domain by small perturbation method and finite difference method. Influences of the molecular mean free path on the dynamic characteristics of air-lubricated slider bearings are discussed and a design method for high performance slider bearings, operation under submicron spacing conditions, is presented. Experimental data on the frequency response of the submicron slider spacing are in good agreement with the analytical results.
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