基于热弹流混合润滑的内燃机滑动轴承零磨损

摘要/Abstract

摘要：

摘要：将零磨损的试验判据与多体动力学模型、热弹流润滑模型和微凸体接触模型相结合，建立了内燃机滑动轴承零磨损评价模型，并通过定义零磨损安全系数来预测轴承的零磨损可靠性同时将零磨损模型应用于某6缸柴油机主轴承设计.结果表明，采用所提出的方法能够预测轴瓦表面的零磨损安全系数的分布情况，为轴承零磨损设计提供理论依据.

关键词: , 内燃机, 滑动轴承, 零磨损, 热弹流混合润滑, 多体动力学

Abstract:

Abstract： A zero wear model was established for the design of internal combustion engine sliding bearing, with the consideration of the lubrication model, the asperity contact model, the multibody dynamics model and the zero wear experiment criterion. The safety factor for zero wear was calculated to predict the reliability of wear. The zero wear model was applied to the main bearing design for a sixcylinder diesel engine. The results show that the distribution of zero wear safety factor can be predicted by using this method. This paper can provide theoretical guidance for zero wear design of bearing.

Key words: multibody dynamics, internal combustion engine, sliding bearing, zero wear, mixed thermoelastohydrodynamic lubrication

中图分类号:

TK 402

刘晓日1,2，黎明1，张铁臣1，郑清平1，黎苏1，李国祥2. 基于热弹流混合润滑的内燃机滑动轴承零磨损[J]. 上海交通大学学报（自然版）, 2017, 51(1): 62-.

LIU Xiaori1,2,LI Ming1,ZHANG Tiechen1,ZHENG Qingping1,LI Su1,LI Guoxiang2. Zero Wear of Internal Combustion Engine Sliding Bearing Based on Mixed Thermo-Elastohydrodynamic Lubrication[J]. Journal of Shanghai Jiaotong University, 2017, 51(1): 62-.

参考文献

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