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Two-dimensional numerical study of planar shock-wave/moving-body interactions - Part I: Plane shock-on-shock interactions

机译:平面冲击波/运动体相互作用的二维数值研究-第一部分:平面冲击波相互作用

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摘要

The interaction of a planar shock wave with a body moving at supersonic speed has been considered with particular focus on shock-on-shock interactions. Three interaction types were previously identified by Smyrl (1964). This work adds a fourth type to these interactions and restates the interaction type classification and the transitions between the various interaction types. A pseudo-steady analysis of key interaction points and flow features is used to predict the various transitions. The criteria presented here are compared to results from a numerical Euler model of the interactions. A comparison of results from the numerical model with experimental results shows good agreement and thus the existence of the various interaction types and transition criteria have been confirmed using the numerical model.
机译:已经考虑了平面冲击波与以超音速运动的物体的相互作用,尤其着重于冲击波的相互作用。 Smyrl(1964)先前确定了三种交互类型。这项工作为这些交互添加了第四种类型,并重新定义了交互类型分类和各种交互类型之间的转换。关键相互作用点和流动特征的拟稳态分析用于预测各种过渡。将此处提出的标准与相互作用的数值Euler模型的结果进行比较。数值模型的结果与实验结果的比较显示出很好的一致性,因此使用该数值模型已证实了各种相互作用类型和转变标准的存在。

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