JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry
Print ISSN : 0914-8825
Instability Analysis of Groove-Compensated Journal Air Bearings
Gang LINTojiro AOYAMAIchiro INASAKI
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1989 Volume 32 Issue 1 Pages 100-105

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Abstract

The whirl instability of the groove compensated journal air bearing, which had not been analyzed before due to the complicated bearing shaped, is analyzed in this study. The finite element method is used to obtain the numerical solution of the Reynolds equation and the computer simulation method is used to obtain the accurate motion of the shaft within the bearing. Concretely, the locus of the shaft center after a step displacement disturbance is determined through the simulation. Based on the simulated shaft loci, the effects of various design parameters on the stability of the bearings are discussed.

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© The Japan Society of Mechanical Engineers
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