Full Journal Bearings Under Dynamic Duty: Impulse Method of Solution and Flapping Action

[+] Author and Article Information
H. Blok

Univ. of Technology, Delft, Holland

J. of Lubrication Tech 97(2), 168-178 (Apr 01, 1975) (11 pages) doi:10.1115/1.3452549 History: Received March 25, 1974; Online October 18, 2010


For full journal bearings impulse capacity, as “consumed” typically during the “dominant quasi-squeeze interval” of severe duty cycles, has proved itself a design criterion much more significant than the conventional one of maximum or time-averaged load capacity. This is first shown for assumedly perfectly rigid bearing/journal systems which, however, are rather unrealistic. Thereupon the author proceeds with illustrating the promising potentialities for promoting impulse capacity that are inherent in “flapping action”, the generalized kind of squeezing engendered by the elastic and pulsating distortion of the circumferential contour of the bearing surface.

Copyright © 1975 by ASME
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