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首页> 外文会议>2011 International Conference on Electric Information and Control Engineering >The friction analysis of main bearing on an internal combustion engine based on multi-body dynamics and elasto-hydrodynamic
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The friction analysis of main bearing on an internal combustion engine based on multi-body dynamics and elasto-hydrodynamic

机译：基于多体动力学和弹性流体力学的内燃机主轴承摩擦分析

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This paper has studied the friction of main bearing on an engine by combining the multi-body dynamics and hydrodynamic lubrication model. First, the basic equations and the application on AVL-Excite software platform of multi-body dynamics have been described in detail. Then, introduce the hydrodynamic lubrication model, which is the extended Reynolds equation derived from the Navier-Stokes equation and the equation of continuity. After that, detailed friction analysis of the main bearing has been performed. The numerical prediction (such as the oil film pressure, the asperity contact pressure and the oil film thickness etc.) was obtained and compared with the experimental data. The result has shown a good agreement between them so as to offer a scientific basis for main bearing design.
机译：结合多体动力学和流体动力润滑模型，研究了发动机主轴承的摩擦力。首先，详细描述了多体动力学的基本方程式及其在AVL-Excite软件平台上的应用。然后，介绍流体动力润滑模型，该模型是从Navier-Stokes方程和连续性方程派生的扩展Reynolds方程。之后，已对主轴承进行了详细的摩擦分析。获得了数值预测结果（如油膜压力，粗糙接触压力和油膜厚度等），并与实验数据进行了比较。结果表明它们之间有很好的一致性，从而为主轴承设计提供了科学依据。

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