Abstract
A parametric study was conducted on the characteristics of thrust bearing with insufficient lubricant supply. An analysis was performed for tapered land bearing with a flat at the end of the pad equal to 20% of the pad arc, subject to the assumption that the incomplete fluid film starts along a raddial line. Variation in bearing performance was obtained by changing the number of pads, the (R2-R1)/R2 ratio, and the degree of starvation. The parametric study yielded an optimized bearing geometry under straved conditions, namely thrust bearing with 12 pads (arcs of 27°) and (R2-R1)/R2=1/2. The performance of this optimized configuration is tabulated herein for the full range of loading and levels of starvation. Results of the parametric study are compared with experimental data showing excellant agreement between the theory and the test results.
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