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A GENERALIZED THERMAL EHL MODEL FOR POINT CONTACT PROBLEMS

机译:用于点接触问题的广义热EHL模型

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A generalized thermal elastohydrodynamic lubrication (TEHL) model for point contact problems is developed based on an isothermal generalized Newtonian elastohydrodynamic (EHL) model recently developed. The thermal model couples FDM for lubricant energy equation and the DC-FFT method for surface temperature integration. A generalized Reynolds equation is derived considering the change of viscosity with respect to temperature, pressure and shear in three dimensions. Numerical cases are conducted to verify the model.
机译:基于最近开发的等温广义牛顿弹性动力学(EHL)模型,开发了一般性的热弹性动力学润滑(TEHL)模型。热模型耦合FDM用于润滑能量方程和用于表面温度集成的DC-FFT方法。考虑到粘度相对于温度,压力和剪切的变化,推导出广义雷诺等式。进行数值案例以验证模型。

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