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马赫数无关原理对高超声速热化学反应流的适应性研究
李康; 李进平; 姜宗林
Source Publication第十五届全国激波与激波管学术会议论文集(上册)
2012
Pages228-234
Conference Name第十五届全国激波与激波管学术会议
Conference Date2012-07-13
Conference Place中国浙江杭州
Abstract通过求解考虑热化学非平衡的5组分,17个基元反应的N-S方程,对马赫数无关原理对高超声速热化学反应流的适应性进行了研究。模型采用高超声速常用的柱状钝头体。对比量热完全气体、热化学非平衡气体下激波角、沿流线压力分布、阻力系数的差异,得出真实气体效应下马赫数无关原理依然适用的结论。通过对阻力系数的进一步分析研究知,真实气体效应是通过能量向振动能、化学能的从新分配机制来影响阻力系数的变化,且其所引起的阻力系数变化总体来说比较小;在M>15时,向化学能的分配为主导因素。
Keyword马赫数无关原理高超声速 适应性 热化学反应 阻力系数
DepartmentLHD激波与爆轰物理
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48498
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
李康,李进平,姜宗林. 马赫数无关原理对高超声速热化学反应流的适应性研究[C],2012:228-234.
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