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超声速燃烧的湍流流场数值模拟
Numerical simulation on the turbulent flowfield of supersonic combustion
查看参考文献15篇
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文摘
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选择了6个有代表性的湍流模型，对超声速燃烧湍流流场开展了数值模拟。采用的模型包括5个线性涡粘性模型和1个非线性模型，在非线性模型中同时引入了可压缩修正。数值结果表明，本文发展的数值方法可以成功地应用于求解可压缩、含化学反应的多组分N—S方程。同时引入可压缩性修正的二阶涡粘性模型给出的结果较好。 |
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其他语种文摘
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The turbulent flow field of supersonic combustion is numerically simulated with application of six typical turbulence models. They include five linear eddy-viscosity models and a nonlinear model, in which the compressibility modification is considered. The numerical results show that the present numerical approach can successfully solve Navier-Stokes equation for the compressible, multi-species fluid with chemical reactions. The performance of the nonlinear model with compressibility modification is better. |
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来源
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空气动力学学报
,2008,26(1):73-78 【核心库】
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关键词
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超声速燃烧
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湍流模型
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可压缩性
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地址
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1.
中国科学院研究生院, 北京, 100049
2.
中国科学院力学研究所, 北京, 100080
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语种
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中文 |
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文献类型
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简报 |
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ISSN
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0258-1825 |
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学科
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航空 |
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文献收藏号
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CSCD:3220048
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参考文献 共
15
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