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基于Favré平均的高超声速可压缩转捩预测模型 被引量：5

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摘要 本文在Favré平均的框架下推导了可压缩层流脉动动能输运方程,并根据一定的假设和尺度分析封闭了该方程.通过将Favré平均层流脉动动能方程与Favré平均Navier-Stokes方程联合求解,构造了适用于高马赫数的层流-湍流转捩位置预测模型.应用所发展的可压缩模型及不考虑其显式可压缩项的模型对来流Mach数为5.91的裙锥绕流进行了数值模拟,给出了不同壁面条件下边界层的转捩位置,并与现有的基于参考温度进行可压缩修正的转捩模型计算结果以及实验结果进行了对比,表明所发展的模型在高超声速流动转捩预测上具有更高的精度.
作者 宋博 李椿萱
机构地区 北京航空航天大学航空科学与工程学院
出处 《中国科学：技术科学》 EI CSCD 北大核心 2010年第8期879-885,共7页 Scientia Sinica(Technologica)
关键词 转捩预测 层流脉动 高超声速 可压缩
分类号 V212.1 [航空宇航科学与技术—航空宇航推进理论与工程]
  • 相关文献

参考文献21

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二级参考文献24

  • 1Reza Taghavi Z.,Mahmood Salary,Amir Kolaei.Prediction of Boundary Layer Transition Based on Modeling of Laminar Fluctuations Using RANS Approach[J].Chinese Journal of Aeronautics,2009,22(2):113-120. 被引量：5
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共引文献6

同被引文献100

引证文献5

二级引证文献35

中国科学：技术科学
2010年 第8期

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