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Pressure-Viscosity Relationships for Elastohydrodynamics~©

机译:弹性流体力学的压力-粘度关系〜©

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The numerical simulation of elastohydrodynamic lubricationrnhas evolved in terms of solution detail, speed and robustness.rnHowever, if EHL is to begin to solve practical quantitative problemsrninvolving differences among lubricants, practitioners mustrnbegin to utilize pressure-viscosity relationships in their numericalrnschemes that can describe real liquid response. The authors beginrnwith the simple empiricisms that can be used to describe the pressure-rnviscosity response piecewise over the entire range from ambientrnto glass transition. Then various free volume formulations arernintroduced and compared. Finally, empirical expressions that canrndescribe some essential features over the entire pressure range arernpresented. An example of the utility of one empirical equation isrnoffered.
机译:弹性流体动力润滑的数值模拟已经从解决方案的详细信息,速度和耐用性方面发展了。然而,如果EHL要开始解决涉及润滑剂之间差异的实际定量问题,那么从业者必须开始在其数值方案中利用压力-粘度关系来描述真实的液体响应。 。作者从简单的经验主义开始,这些经验主义可用于在从环境温度到玻璃化转变的整个范围内分段描述压力-粘度响应。然后介绍并比较了各种自由体积配方。最后,给出了可以描述整个压力范围内一些基本特征的经验表达式。给出了一个经验方程的效用的例子。

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