IMECH-IR  > 力学所知识产出(1956-2008)
再入飞行器湍流尾迹流场研究
Alternative TitleThe study of turbulent wake flowfield in reentry vehicles
于明; 牛家玉
Source Publication力学学报
2002-01-19
Volume34Issue:1Pages:9-17
Abstract再入飞行器湍流尾迹流场状况,直接系统到飞行器的雷达散射特性。对再入飞行器湍流尾迹等离子体场理论模型,试图通过湍流模式理论来表达,即使用k-ε-g模型方程来封闭平均化的全Navier-Stokes方程,从而准确获得流动平均场和脉动场住处。使用的N-S平均议程由质量加权平均过程产生,湍流模型方程也经过可压缩性能修正。真实气体效应重点考察空气处于局部热化学平衡状态。流动控制方程运用一个二阶TVD格式有限体积法求解。以一典型小钝锥体零攻角再入飞行为例,计算了在两高程(H = 40 km和H = 30 km)条件下的高超声速湍流尾迹流场。获得的尾迹流场参数与流动物理状况符合,并且湍流脉动参数与已有相应的实验结果定性一致,初步证实该方法合理。
Keyword再入飞行器 湍流尾迹 等离子体 湍流模式 电子密度脉动强度
Indexed ByCSCD
Language中文
CSCD IDCSCD:1013450
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/41442
Collection力学所知识产出(1956-2008)
Corresponding Author于明
Recommended Citation
GB/T 7714
于明,牛家玉. 再入飞行器湍流尾迹流场研究[J]. 力学学报,2002,34,1,:9-17.
APA 于明,&牛家玉.(2002).再入飞行器湍流尾迹流场研究.力学学报,34(1),9-17.
MLA 于明,et al."再入飞行器湍流尾迹流场研究".力学学报 34.1(2002):9-17.
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