The influence of embodiment flexibility on the performance of an acoustic journal bearing is presented. Two completely different embodiments of the bearing were investigated using three criteria of performance assessment that is torque at the start-up, amount of separation due to squeeze film pressure, and motion stability of the shaft running at speed. The embodiment with built-in flexibility proved to perform far better than the bearing for which overall flexibility was much less. However, considerations pertinent to the easy of machining and fatigue endurance mitigate the ranking of performance of the two embodiments investigated.
Acoustic Journal Bearing With Changeable Geometry and Built-in Flexibility
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received February 11, 2018; final manuscript received May 21, 2018; published online July 12, 2018. Assoc. Editor: Stephen Boedo.
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Stolarski, T. A., and Miyatake, M. (July 12, 2018). "Acoustic Journal Bearing With Changeable Geometry and Built-in Flexibility." ASME. J. Tribol. November 2018; 140(6): 061707. https://doi.org/10.1115/1.4040416
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