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首页> 外文期刊>Tribology International >Effects of structural parameters on the load carrying capacity of the multi-leaf gas foil journal bearing based on contact mechanics
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Effects of structural parameters on the load carrying capacity of the multi-leaf gas foil journal bearing based on contact mechanics

机译：基于接触力学的结构参数对多叶燃气箔轴颈轴承承载力的影响

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In this study, a comprehensive model is introduced to obtain the accurate load carrying performance of the multi-leaf foil bearing. The model considers area contact between foil leaves and also the bearing sleeve constraint and rotor-foil contact. Bearing loading tests are conducted, and the results correspond well with those by simulation. This also indicates that bearing sleeve constraint aids in improving the bearing load capacity. The study analyses the effects of foil thickness, free foil radius, foil overlapping ratio, and radial clearance on the bearing load capacity and aeroelastic characteristics including foil deflections, distributions of gas film thickness and pressure. The results indicate that optimal values of the studied parameters exist to improve the load capacity of multi-leaf foil bearing.
机译：在这项研究中，引入了一种综合模型，以获得多叶箔轴承的准确承载性能。 该模型认为箔片和轴承套管约束和转子接触之间的区域接触。 进行轴承加载试验，结果与模拟相同。 这也表明轴承套管约束有助于提高轴承负载能力。 该研究分析了箔厚度，自由箔半径，箔重叠率和径向间隙对轴承载荷能力和空气弹性特性的影响，包括箔偏转，气体膜厚度和压力分布。 结果表明，存在研究参数的最佳值，以提高多叶箔轴承的负载能力。

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