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首页> 外文会议>29th Leeds-Lyon Symposium on Tribology Sep 3-6, 2002 University of Leeds, UK >Optimisation of static behaviour and stability level of a multilobe journal gas bearing
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Optimisation of static behaviour and stability level of a multilobe journal gas bearing

机译：多叶轴颈气体轴承静态性能和稳定性水平的优化

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摘要

This work carries out a study of the static and dynamic behaviour of a three lobe offset journal gas bearing. The influence of the internal geometry on both load carrying capacity and stability behaviour is investigated. The load carrying capacity is characterised from the minimum film thickness within the bearing when submitted to an imposed load (magnitude and direction are fixed). A numerical non linear dynamic model is presented. The specific approach developed allows to point out and quantify the inner geometry influence on both stability limit and minimum film thickness in the bearing. The typical result is that a bearing able to support a high load will not necessary fit a given application because of its low level of stability. Using this original approach, it is possible to design a profile with optimised static and dynamic behaviour in connection with a specific application.
机译：这项工作进行了三叶偏移轴颈气体轴承的静态和动态行为的研究。研究了内部几何形状对承载能力和稳定性行为的影响。承载能力的特征在于承受外加负载（大小和方向固定）时轴承内的最小薄膜厚度。提出了数值非线性动力学模型。所开发的特定方法可以指出并量化内部几何形状对轴承的稳定性极限和最小膜厚的影响。典型的结果是，由于其较低的稳定性，因此能够支撑高负载的轴承将不一定适合给定的应用。使用这种原始方法，可以针对特定应用程序设计具有优化的静态和动态行为的配置文件。

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