Abstract

The object of this paper is an analysis of a new type of gas journal bearing, which provides a very high static stiffness coefficient. As the load of bearings is very seldom constant, the response of the high stiffness bearing to the step force and its operation during a transient period are investigated. The pattern of the dynamic response of the bearing to the step force enables an estimation of its stability. The influence of some parameters of the bearing on the length of the transient period are analysed. Operation under a programmed, time-dependent unperiodic force, which is important for real applications of the bearing, is also investigated: promising shaft displacement characteristics have been obtained. All the results have been calculated from numerical experiments.

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