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凹腔火焰稳定器流场数值模拟及其性能分析
孙晓峰; 王春; 姜宗林
Source Publication北京力学会第十六届学术年会论文集.中国北京.2010-01-10,p.33-35
2010-01-10
Pages33-35
Conference Name北京力学会第十六届学术年会论文集
Conference Place中国北京
Abstract凹腔火焰稳定器在超燃燃烧室的设计中应用广泛,本文数值模拟了几种具有横向收缩比的凹腔火焰稳定器的冷态流场,分析其内部流动模式,探讨三维流向涡形成的机理,并分析研究了其阻力系数、总压损失以及凹腔内燃料和空气的混合速率等重要的性能参数。数值方法采用NND差分格式求解k-ε双方程湍流模型修正的RANS方程。作为程序的验证,计算了在马赫数为2、3、4、5的情况下长深比为2矩形典型凹腔的流场分布。计算结果表明本程序对于超声速凹腔流动流场的模拟是十分有效的。
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Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44197
Collection高温气体动力学国家重点实验室
Corresponding Author孙晓峰
Recommended Citation
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孙晓峰,王春,姜宗林. 凹腔火焰稳定器流场数值模拟及其性能分析[C]北京力学会第十六届学术年会论文集.中国北京.2010-01-10,p.33-35,2010:33-35.
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