A study on the lift-off characteristics of an air-lubricated bump foil journal bearing

Title
A study on the lift-off characteristics of an air-lubricated bump foil journal bearing
Authors
이용복이남수최동훈김창호
Keywords
bump foil journal bearing; lift-off speed; compliance; knudsen number
Issue Date
2001-12
Publisher
한국윤활학회지; Journal of the KSTLE (Journal of the Korean Society of Tribologists and Lubrication Engineers)
Citation
VOL 17, NO 6, 441-446
Abstract
In this paper the effect of bump compliance, load, ahd the number of pad on the lift-off speed is studied. When the load is greater and bump compliance lower, the spaft is lifted off at higher potating speed. And when the load is applied near the center of pad, lift-off speed is lower. When teh number of pad increases, the lift-off speed is higher. The lift-off characteristies can be used to lenghen the time of coating and design the rotating machinery wupported by bump bearings.
URI
http://pubs.kist.re.kr/handle/201004/13769
ISSN
1229-4845
Appears in Collections:
KIST Publication > Article
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