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Abstract
A theoretical study using FEM is performed of multirecess capillary compensated hydrostatic/hybrid journal bearings which find use in number of engineering applications. In this study, bearings having four different recess shapes were observed for their static and dynamic performance parameters which include minimum film thickness, flow rate, rotordynamic coefficients and threshold speed. The bearings with four different recess geometries included in the present study were a square recess bearing, a circular recess bearing a triangular recess bearing and an elliptical recess bearing. Comparisons of performance characteristics were made to determine which recess shape gives the best performance. The results presented in this paper are expected to help machine tool designers make better use of the recess shapes.
Presented at the 52nd Annual Meeting In Kansas City, Missouri May 10–22, 1997
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Presented at the 52nd Annual Meeting In Kansas City, Missouri May 10–22, 1997