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This paper presents a gaskinetic study on high-speed, highly rarefied jets expanding into a vacuum from a cluster of planar or annular exits. Based on the corresponding exact expressions for a planar or annular jet, it is convenient to derive the combined multiple jet flowfield solutions of density and velocity components. For the combined temperature and pressure solutions, extra attention is needed. Several direct simulation Monte Carlo simulation results are provided to validate these analytical solutions. The analytical and numerical solutions are essentially identical for these high Knudsen number jet flows. 相似文献
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本文叙述了高速可压缩边办流动稳定性和转捩点预报的数值计算方法,特别是Rayleigh反迭代法与边界层渐近匹配方法的配合,有效地提高了计算精度,节省了存储和计算时间,本文给出的评定界层第一模式的稳定性分析和转捩区数值预报结果,与已有的实验结果一致。 相似文献
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