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The purpose of this paper is to research the oil film thickness between apex seal and epitrochoidal housing in a small Wankel rotary engine. Firstly, a quasi-static equilibrium equation of apex seal is derived with considering interacting forces. It is supposed that oil pressure is the only force supporting the apex seal against other loads. Then, the oil film thickness is evaluated by solving the...
Tangential force is one of the most important factors which affect fretting fatigue. In the present paper, the effects of tangential force on fretting fatigue of Al 2024-T351 alloy specimens are investigated by employing extended finite element method combined with cyclic cohesive zone model. It is shown that increasing tangential force can increase the depth of knee point. However, crack initiation...
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