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首页> 外文期刊>Technical physics letters: Letters to the Russian journal of applied physics >Asymptotic Analysis of the Translational Nonequilibrium Effects in a Hypersonic Flow Past a Flat Surface with Sharp Leading Edge
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Asymptotic Analysis of the Translational Nonequilibrium Effects in a Hypersonic Flow Past a Flat Surface with Sharp Leading Edge

机译：高超音速流过具有尖锐前沿的平坦表面上的平移非平衡效应的渐近分析

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摘要

We have studied the domain of applicability of a model of continuum mechanics based on the Navier–Stokes equations for the hypersonic flow of a viscid gas past a plate with sharp leading edge. An asymptotic analysis of the hypersonic flow of a rarefied gas is based on the kinetic equation for gases with internal degrees of freedom. The singularity and nonmonotonic character in the distribution of some macroscopic functions at the sharp leading edge of the plate have been studied. The results of analysis are compared to the results of straightforward numerical simulation using the Monte Carlo method.
机译：我们已经研究了基于Navier–Stokes方程的连续介质力学模型的适用范围，该模型用于粘性气体通过具有尖锐前缘的板的高超声速流动。稀有气体的超音速流动的渐近分析基于内部自由度气体的动力学方程。研究了在板的尖锐前沿处某些宏观函数分布的奇异性和非单调性。将分析结果与使用蒙特卡洛方法进行的直接数值模拟的结果进行比较。

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