IMECH-IR  > 高温气体动力学国家重点实验室
超/高超声速边界层湍流的马赫数壁温效应
梁贤; 李新亮
Source Publication高超声速专题研讨会暨第五届全国高超声速科学技术会议论文集
2012
Pages200-200
Conference Name高超声速研讨会暨第五届全国高超声速科学技术会议
Conference Date2012-11-12
Conference Place中国广西桂林
Abstract本文利用空间发展的DNS数据,分析了马赫数为2.25,5,6和8的平板湍流边界层的热传导特性,及其对温度速度关系的影响。结果表明,当壁面温度取为近似恢复温度时,来流马赫数的变化对经典雷诺比拟影响不大:当马赫数达到8时,在强冷壁条件(T_w/T_r=0.18)下,边界层内存在较强的热流,经典的雷诺比拟已不再成立,各种改进的雷诺比拟在近壁出现振荡,也不再成立,本文给出了一种新修正的强雷诺比拟关系,较好地克服了上述缺点。
Keyword可压缩湍流 强雷诺比拟 直接数值模拟
DepartmentLHD可压缩湍流
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48509
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
梁贤,李新亮. 超/高超声速边界层湍流的马赫数壁温效应[C],2012:200-200.
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