| 高超声速绕平板上直立圆柱流动特性研究 |
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| 引用本文： | 马汉东,李素循,吴礼义.高超声速绕平板上直立圆柱流动特性研究[J].宇航学报,2000,21(1):1-5. |
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| 作者姓名： | 马汉东 李素循 吴礼义 |
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| 作者单位： | 1. 北京空气动力研究所,北京,100074
2. 北京航空航天大学,北京,100083 |
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| 摘 要： | 以平板上直立平无限谪圆柱体为研究对象，采用和Ｒｏｅ三阶通量差分分裂格式求解雷诺平均Ｎ－Ｓ方程，数值模拟研究了高超声速且壁面有传热条件下三维流流场的激波边界层干扰特性，物面压力分布计算值与值吻合良好，数值模拟结果可见圆柱上游分离区流场是一个马蹄形五涡结构且存在有二次分离激波，这是一种值得深入研究的流动新现象。
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| 关 键 词： | 圆柱 激波 边界层干扰 湍流 数值模拟 N－S方程 |
A STUDY ON CHARACTERS OF HYPERSONIC PLATE/CYLINDER JUNCTURE FLOW |
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| Ma Mandong,Li Sunxun,Wu Liyi.A STUDY ON CHARACTERS OF HYPERSONIC PLATE/CYLINDER JUNCTURE FLOW[J].Journal of Astronautics,2000,21(1):1-5. |
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| Authors: | Ma Mandong Li Sunxun Wu Liyi |
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| Abstract: | A study on characters of plat/cylinder juncture flow at hypersonic speed is carried out by solving full Navier Stokes equations with Roe third order finite difference scheme.The temperature of wall surface is assumed to be constant and then the wall heat transfer is included.The numerical results display the characters of three dimensional shock/boundary layer interaction.The wall surface pressure distributions are in good agreement with experimental data.Meanwhile some new phenomenon such as secondary separation shock and five horse shoe type vortices in upstream separation zone are observed. |
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| Keywords: | Circular cylinder\ Shock wave/boundary layer interaction\ Turbulence flow\ Numerical simulation |
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