Acoustic Journal Bearing with Changeable Geometry and Built-in Flexibility

[+] Author and Article Information
Tadeusz Stolarski

Brunel University London, Kingston Lane, Uxbridge, Middlesex UB8 3PH, United Kingdom

Masaaki Miyatake

Tokyo University of Science, 6-3-1, Niijuku, Katsushika-ku, Tokyo 125-8585, Japan

1Corresponding author.

ASME doi:10.1115/1.4040416 History: Received February 11, 2018; Revised May 21, 2018


The influence of embodiment flexibility on the performance and motion precision 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 that the bearing 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.

Copyright (c) 2018 by ASME
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