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二元高超声速变几何进气道气动特性研究

滕健 袁化成

滕健, 袁化成. 二元高超声速变几何进气道气动特性研究[J]. 航空动力学报, 2013, 28(4): 775-782.
引用本文: 滕健, 袁化成. 二元高超声速变几何进气道气动特性研究[J]. 航空动力学报, 2013, 28(4): 775-782.
TENG Jian, YUAN Hua-cheng. Research on aerodynamic characteristics of 2-D hypersonic inlet[J]. Journal of Aerospace Power, 2013, 28(4): 775-782.
Citation: TENG Jian, YUAN Hua-cheng. Research on aerodynamic characteristics of 2-D hypersonic inlet[J]. Journal of Aerospace Power, 2013, 28(4): 775-782.

二元高超声速变几何进气道气动特性研究

Research on aerodynamic characteristics of 2-D hypersonic inlet

  • 摘要: 设计了一种唇罩可沿来流方向平移的二元高超声速变几何进气道,对进气道开展了三维数值仿真研究,就气动特性与相应定几何进气道进行了对比.结果表明:通过迎着来流方向平移唇罩,进气道内收缩比由1.80下降至1.57,自起动马赫数由4.9下降至3.4.在来流马赫数为4.0~7.0范围内,变几何进气道与定几何进气道隔离段出口马赫数和增压比相差不大,变几何进气道流量系数和总压恢复系数可实现提升最大值分别为21%和9%.二元高超声速变几何进气道综合气动性能明显高于定几何进气道.

     

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出版历程
  • 收稿日期:  2012-05-08
  • 刊出日期:  2013-04-28

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