Journal
TRIBOLOGY INTERNATIONAL
Volume 102, Issue -, Pages 305-318Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2016.05.041
Keywords
Thrust bearing; Textures; Hydrodynamic lubrication; Cavitation
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This paper presents a finite element modeling of hydrodynamic thrust bearings operating both in steadystate and transient lubrication regime. The presented numerical algorithm is conservative and makes it possible to determine, with a high degree of accuracy, the operating characteristics such as the friction torque, the film pressure, the film thickness and the oil flow. For different operating conditions, it was shown that the behavior of the thrust bearing is not the same when textures are applied on the rotor or on the stator. Thus, the difference in behavior between the stationary and non-stationary case was revealed. Lastly, it was predicted that placing the textures on the rotor could, under certain conditions, improve the hydrodynamic performance of the thrust bearing. (C) 2016 Elsevier Ltd. All rights reserved.
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