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马赫数分布可控的基准流场灵敏度分析与优化设计

李永洲 张堃元 王磊 南向军

李永洲, 张堃元, 王磊, 南向军. 马赫数分布可控的基准流场灵敏度分析与优化设计[J]. 航空动力学报, 2013, 28(4): 765-774.
引用本文: 李永洲, 张堃元, 王磊, 南向军. 马赫数分布可控的基准流场灵敏度分析与优化设计[J]. 航空动力学报, 2013, 28(4): 765-774.
LI Yong-zhou, ZHANG Kun-yuan, WANG Lei, NAN Xiang-jun. Sensitivity analysis and optimization design of basic flowfield with controllable Mach number distribution[J]. Journal of Aerospace Power, 2013, 28(4): 765-774.
Citation: LI Yong-zhou, ZHANG Kun-yuan, WANG Lei, NAN Xiang-jun. Sensitivity analysis and optimization design of basic flowfield with controllable Mach number distribution[J]. Journal of Aerospace Power, 2013, 28(4): 765-774.

马赫数分布可控的基准流场灵敏度分析与优化设计

基金项目: 国家自然科学基金(90916029,91116001)

Sensitivity analysis and optimization design of basic flowfield with controllable Mach number distribution

  • 摘要: 利用Isight软件对反正切马赫数分布可控的轴对称基准流场设计参数进行灵敏度分析,获得了设计参数对基准流场总体性能的影响规律,其中前缘压缩角和系数 c 的影响最为明显.针对该基准流场,建立了多项式响应面模型并在设计点进行三目标优化,得到了总体性能较优的轴对称基准流场.基于该优化结果设计了圆形进口的高超声速内收缩进气道并在 Ma=4~7进行数值分析,结果表明:进气道在设计点和非设计点均具有较高的压缩效率和良好的流量捕获能力, Ma=6和7时出口截面总压恢复系数分别为0.581和0.513,压比分别为20.01和24.73, Ma=4时流量系数达到0.880,说明该优化方法可行.

     

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出版历程
  • 收稿日期:  2012-05-04
  • 刊出日期:  2013-04-28

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