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首页> 外文会议>Leeds-Lyon Symposium on Tribology; 20000905-08; Lyon(FR) >Numerical models of rotary lip seal seals
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Numerical models of rotary lip seal seals

机译：旋转唇形密封件的数值模型

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摘要

The rotary lip seal is one of the most widely used industrial tribological components, and one of the least understood. The sealing mechanism, which prevents leakage through the seal, and the load support mechanism, which preserves the integrity of the lubricating film, have been poorly understood for many years. To elucidate the physical processes occurring in such seals, a number of numerical models of increasing complexity have been constructed. The sealing surface of the lip was initially modeled as a simple periodic surface, then as a more complex periodic surface, and finally as a quasi-random surface. The analysis initially considered hydrodynamic lubrication, then elastohydrodynamic lubrication, and finally mixed microelastohydrodynamic lubrication. Each succeeding model revealed additional features of the sealing and load support mechanisms.
机译：旋转唇式密封件是使用最广泛的工业摩擦学组件之一，也是了解最少的一种。多年以来，人们对防止密封件泄漏的密封机构和保持润滑膜完整性的负载支撑机构的了解很少。为了阐明在这种密封件中发生的物理过程，已经构造了许多增加复杂性的数值模型。嘴唇的密封表面最初被建模为简单的周期表面，然后被建模为更复杂的周期表面，最后被建模为准随机表面。该分析首先考虑了流体动力润滑，然后考虑了弹性流体动力润滑，最后考虑了混合微弹性流体动力润滑。每个后续模型都揭示了密封和载荷支撑机构的其他功能。

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