Measuring contact pressure distributions under elastohydrodynamic point contacts

Tribotest Pub Date : 1994-09-01 DOI:10.1002/TT.3020010103
P. Johns-Rahnejat, R. Gohar
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引用次数: 19

Abstract

Circular point contact EHD pressure distributions were investigated under various operating conditions using a thin film piezo-resistive pressure transducer. A series of controlled experiments, in which the active element of the transducer is positioned at various contact cross-sections, was carried out. The results are analysed and presented in the form of isobars. The pressure distribution closely describes the Hertzian pressure profile with a secondary pressure peak appearing prior to and near the exit constriction.
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测量弹性流体动力点接触下的接触压力分布
利用薄膜压阻式压力传感器研究了不同工作条件下圆点接触EHD压力分布。在一系列的控制实验中,传感器的有源元件被放置在不同的接触截面上。结果被分析并以等压线的形式呈现。压力分布与赫兹压力分布密切相关,在出口收缩之前和附近出现二次压力峰值。
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