透平机械箔片动压气体轴承的最新研究和发展
首发时间:2005-12-06
摘要: 箔片动压气体轴承是一种非常有前途的动压气体轴承型式。本文简要介绍了国内外应用于透平机械的箔片动压气体轴承的最新发展,包括粘弹性箔片轴承、第三代波箔轴承和箔片轴承性能预估的“经验法则”。对新型结构弹性支承箔片径向轴承和止推轴承的试验研究成果进行了总结,分析了轴承间隙对轴承失稳转速和轴承性能的影响以及箔片轴承表面处理的几种方法
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The New Development and Study of Foil Bearings in Turbomachinery
Abstract:Foil bearing is a very promising type of hydrodynamic air bearing. The newest developments of foil bearing used in turbomachinery are briefly reviewed, including the new type ViscoElastic Foil Bearing, the third generation bump foil bearing and the ‘Rule-of-Thumb’ for simple estimation of foil bearings. The experiment results of the New Aerodynamic Foil Bearings with Elastic Support are presented, and the influence of radial clearance to the critical speed and foil bearing performance as well as ways of foil bearing coating are analyzed.
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