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首页> 外文会议>29th Leeds-Lyon Symposium on Tribology Sep 3-6, 2002 University of Leeds, UK >Comparison of Transient EHL Calculations with Shutdown Experiments
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Comparison of Transient EHL Calculations with Shutdown Experiments

机译：瞬态EHL计算与关机实验的比较

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摘要

The paper presents numerical results for the elastohydrodynamic lubrication of point contacts where the entrainment velocity is reduced with time. The cases considered correspond to experimental work presented by Glovnea and Spikes for the case where entrainment is reduced to zero with constant deceleration. The experiments modelled involve simple sliding of a steel ball on a glass disk and, due to the poor conductivity of the stationary glass component and the sliding configuration, the temperature is not known with accuracy. The steady state characteristics of the test case, detailed in the experimental result for the beginning of the transient behaviour, -are therefore used to select appropriate values of the lubricant parameters for incorporating in a transient numerical analysis of the test conditions. The paper compares the numerical results obtained using a differential deflection point contact transient analysis with the detailed published experimental film thickness measurements presented by Glovnea et al, and good correlation is shown.
机译：本文提出了点接触的弹性流体动力润滑的数值结果，其中夹带速度随时间降低。所考虑的情况与Glovnea和Spikes提出的实验研究相对应，其中夹杂物在恒定减速下减小为零。建模的实验涉及钢球在玻璃盘上的简单滑动，并且由于固定玻璃组件的导电性差和滑动配置，因此无法精确知道温度。因此，在瞬态行为开始的实验结果中详细介绍了测试用例的稳态特性，以便选择合适的润滑剂参数值，以将其纳入测试条件的瞬态数值分析中。本文将使用差分偏转点接触瞬态分析获得的数值结果与Glovnea等人发表的详细公开的实验膜厚测量结果进行了比较，并显示了良好的相关性。

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