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Experimental Investigations of an Aerodynamic Flow of Geometrical Models in Hypersonic Aerodynamic Shock Tube

机译:高超音速气动冲击管中几何模型气动流动的实验研究

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The flow structure in the hypersonic inlet and flow path of the scramjet models was investigated both experimentally and numerically. The detailed description of the shock wave facility is presented. Cold air flows with Mach number of 7 and 4.5 were captured on the high-speed video camera for both sharp and blunt wedge inlet models. The numerical simulation of the flow in the inlet models was performed using unstructured Navier-Stocks solver. The comparison the experimental data with the computed results shows that the numerical simulation allows obtaining the flow structure well. Both experimental and numerical results confirm that flows over sharp-nosed and blunt-nosed bodies may differ significantly.
机译:通过实验和数值研究了超音速进气道和超燃冲压发动机流道中的流动结构。给出了冲击波设备的详细说明。对于锋利和钝的楔形进气口型号,在高速摄像机上捕获的马赫数分别为7和4.5的冷空气流。使用非结构化Navier-Stocks解算器对进口模型中的流动进行了数值模拟。将实验数据与计算结果进行比较表明,数值模拟可以很好地获得流动结构。实验和数值结果均证实,尖锐和钝头体上的流动可能存在显着差异。

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