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反旋进气混合式减涡结构流动特性数值计算

田冉冉 毛军逵 范俊 魏嵩 王龙飞 屠泽灿

田冉冉, 毛军逵, 范俊, 魏嵩, 王龙飞, 屠泽灿. 反旋进气混合式减涡结构流动特性数值计算[J]. 航空动力学报, 2019, 34(8): 1677-1687. doi: 10.13224/j.cnki.jasp.2019.08.006
引用本文: 田冉冉, 毛军逵, 范俊, 魏嵩, 王龙飞, 屠泽灿. 反旋进气混合式减涡结构流动特性数值计算[J]. 航空动力学报, 2019, 34(8): 1677-1687. doi: 10.13224/j.cnki.jasp.2019.08.006
Numerical calculation of flow characteristics of hybrid vortex reduce structure combing de-swirl inlet[J]. Journal of Aerospace Power, 2019, 34(8): 1677-1687. doi: 10.13224/j.cnki.jasp.2019.08.006
Citation: Numerical calculation of flow characteristics of hybrid vortex reduce structure combing de-swirl inlet[J]. Journal of Aerospace Power, 2019, 34(8): 1677-1687. doi: 10.13224/j.cnki.jasp.2019.08.006

反旋进气混合式减涡结构流动特性数值计算

doi: 10.13224/j.cnki.jasp.2019.08.006
基金项目: 中国博士后科学基金(2018M642248)

Numerical calculation of flow characteristics of hybrid vortex reduce structure combing de-swirl inlet

  • 摘要: 提出了一种将反旋进气孔与减涡管相结合的混合式减涡器,数值研究了其减阻引气效果,分析了旋转雷诺数、无量纲入口质量流量对内部流场结构和压力损失的影响。研究发现:在混合式减涡器引气结构中,静压沿径向平缓降低,在周向分布均匀;随着无量纲入口质量流量或旋转雷诺数的增加,引气结构总压降呈现单调上升的趋势,其中在高旋转雷诺数、低无量纲质量流量工况下具有突出的减阻性能,其对应的湍流参数为0.106 4~0.324 5。相比于简单盘腔,反旋进气孔式及管式减涡器的压力损失分别降低62.5%、60.5%,混合式减涡器可降低80.4%,体现出良好的减阻引气效果。

     

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出版历程
  • 收稿日期:  2019-01-04
  • 刊出日期:  2019-08-28

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