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曲锥前体/三维内转进气道一体化设计与分析

李怡庆 周驯黄 朱呈祥 尤延铖

李怡庆, 周驯黄, 朱呈祥, 尤延铖. 曲锥前体/三维内转进气道一体化设计与分析[J]. 航空动力学报, 2018, 33(1): 87-96. doi: 10.13224/j.cnki.jasp.2018.01.011
引用本文: 李怡庆, 周驯黄, 朱呈祥, 尤延铖. 曲锥前体/三维内转进气道一体化设计与分析[J]. 航空动力学报, 2018, 33(1): 87-96. doi: 10.13224/j.cnki.jasp.2018.01.011
Integration design and analysis for curved conical forebody and threedimensional inward turning inlet[J]. Journal of Aerospace Power, 2018, 33(1): 87-96. doi: 10.13224/j.cnki.jasp.2018.01.011
Citation: Integration design and analysis for curved conical forebody and threedimensional inward turning inlet[J]. Journal of Aerospace Power, 2018, 33(1): 87-96. doi: 10.13224/j.cnki.jasp.2018.01.011

曲锥前体/三维内转进气道一体化设计与分析

doi: 10.13224/j.cnki.jasp.2018.01.011
基金项目: 国家自然科学基金(51276151,91441128); 基础科研项目(B1420133058); 福建省自然科学基金(2016J06011)

Integration design and analysis for curved conical forebody and threedimensional inward turning inlet

  • 摘要: 对圆锥流场在不同攻角条件下的气动特征进行分析,以流线追踪技术为基础,发展了一种曲锥前体/三维内转进气道一体化设计方法,获得了三个几何参数对一体化方案外形和性能的影响规律。研究发现,三维内转进气道侧壁外扩角对进气道流量捕获系数影响明显,而捕获形状圆心角对进气道的影响主要表现在几何特征上。此外,进气道流量捕获系数随外压缩段总长度的增大而减小。基于对捕获形状的研究,设计了一种曲锥前体/三维内转进气道,并通过数值模拟对该方案进行研究。结果表明:在设计点来流马赫数为6.0时,该方案进气道流量捕获系数能够达到0.93,且具有0.61的总压恢复系数;在非设计点来流马赫数为5.0时,流量捕获系数能够保持在0.86,总压恢复系数为0.77。

     

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出版历程
  • 收稿日期:  2016-06-23
  • 刊出日期:  2018-01-28

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