期刊
TRIBOLOGY INTERNATIONAL
卷 33, 期 3-4, 页码 225-231出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0301-679X(00)00035-9
关键词
tilting pad; hydrodynamic; thermoelastohydrodynamic; seizure; start up; thermal deformations; transient regime
The aim of this work is to study the transient thermoelastohydrodynamic behaviour of a tilting-pad journal bearing exposed to severe operating conditions. Two different outcomes are possible: a rapid seizure or a safe running. The influence of several parameters (rotational speed, radial bearing clearance, feeding temperature) on the running time is analysed in order to predict safe operating conditions (larger elapsed time of acceleration, larger initial radial bearing clearance and higher feeding temperature). (C) 2000 Elsevier Science Ltd. All rights reserved.
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