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A Morphing Continuum Approach to Supersonic Flow Over a Compression Ramp

机译:压缩坡道上超音速流动的变形连续体方法

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A morphing continuum approach for simulating the shock wave and turbulent boundary layer interaction for an 8° compression ramp configuration at Mach 2.93 is presented. The morphing continuum theory (MCT) describes a special case of Eringen's micropolar fluids theory. A non-dimensionalized form of the compressible governing equations is presented, as well as a set of dimensionless groups. A numerical scheme that solves the non-dimensionalized form of the governing equation is developed based on the finite volume approach, and a MCT-based method for generating inflow turbulence is presented. The numerical solver is used to solve the flow past a compression ramp and the results are compared with the experimental results of Kuntz et al. The results are in good agreement with the experimental data in capturing the static pressure at the wall, as well as the velocity profile inside the boundary layer and in the bulk flow.
机译:提出了一种变形连续体方法,用于模拟在2.93马赫时8°压缩坡道构型时的冲击波和湍流边界层相互作用。形变连续体理论(MCT)描述了Eringen的微极性流体理论的特例。提出了可压缩控制方程的无量纲形式,以及一组无量纲的组。基于有限体积法,提出了求解控制方程无量纲形式的数值方案,并提出了一种基于MCT的入流湍流生成方法。数值求解器用于求解经过压缩斜坡的流动,并将结果与​​Kuntz等人的实验结果进行比较。结果与捕获壁上的静压力以及边界层内部和整体流动中的速度分布的实验数据非常吻合。

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