IMECH-IR  > 高温气体动力学国家重点实验室
三维“燕尾形”壁面凹槽流动特性的数值模拟
孙晓峰; 王春; 姜宗林
Source Publication北京力学会第15届学术年会论文摘要集
2009
Pages2-3
Conference Name北京力学会第15届学术年会
Conference Date2009-01-10
Conference Place中国北京
Abstract本文对一种新型壁面凹槽结构——三维"燕尾形"壁面凹槽的超声速混合流场进行了数值模拟,并与二维壁面凹槽超声速混合流场进行了对比。数值模拟采用NND有限差分方法求解无化学反应的可压缩雷诺平均Navier-Stock方程,湍流模型采用了带有低雷诺数和可压缩修正的K-ε双方程湍流模型。计算结果得到了来流马赫数为2的情况下两种结构的流动参数分布。数值模拟结果显示,三维"燕尾形"凹槽产生了螺旋式三维结构的涡流动,出现侧向混合效应。
Keyword超声速燃烧 超声速混合 壁面凹槽 数值模拟
Department高温气体动力学国家重点实验室
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48480
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
孙晓峰,王春,姜宗林. 三维“燕尾形”壁面凹槽流动特性的数值模拟[C],2009:2-3.
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