高焓激波风洞自由流参数测量的数值重建
Numerical rebuilding of free stream measurement in the high enthalpy shock tunnel
查看参考文献15篇
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文摘
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高焓风洞中参数测量本身受到高温非平衡效应影响,单纯依靠实验测量不足以确定详细的风洞自由流参数.本文以JF-10高焓激波风洞为背景,通过喷管-试验段-测量仪模型非平衡流场的连贯计算,开展自由流参数测量的数值重建.在比较分析测量仪模型绕流场的计算结果和实验测量值的基础上,结合喷管流场的数值模拟结果,共同确定高焓风洞的详细自由流参数. |
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其他语种文摘
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It is difficult to determine the simulative parameters of a new high enthalpy tunnel merely by measurements because the measurements themselves are affected by the high temperature nonequilbrium effects. Taking the high enthalpy shock tunnel JF-10 as an example, the free-stream measurements taken in the test section are numerically rebuilt through calculating the nozzle flow field and the flow fields around the measurement probes sequentially. The detail free-stream properties in JF-10 tunnel are determined by integrating the numerical solution of the nozzle flow field with the free-stream measurement values and the resuits of the numerical rebuilding of the measurements. |
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来源
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空气动力学学报
,2009,27(3):358-362 【核心库】
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关键词
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高焓激波风洞
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高超声速喷管
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数值重建
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非平衡流
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地址
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1.
国防科学技术大学航天与材料工程学院, 湖南, 长沙, 410073
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中国科学院力学研究所, 中国科学院高温气体动力学重点实验室, 北京, 100080
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语种
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中文 |
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文献类型
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简报 |
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ISSN
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0258-1825 |
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学科
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数学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:3530796
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