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Abstract
In the analysis of hydrodynamic journal bearings the effect of fluid inertia is usually ignored in view of its negligible contribution compared to viscous force. However, the fluid inertia effect is to be taken in the analysis when modified Reynolds number is around one.
Flexibly supported journal bearings are in general more stable when support design is proper. The aim of this paper is to see if there is any effect of fluid inertia on flexibly supported journal bearings. The mass parameters (measure of stability) are estimated for different support parameters and modified Reynolds numbers by adopting a non-linear time transient analysis.