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进气畸变对跨声速轴流压气机气动影响的机理研究

李茂义 袁巍 陆亚钧 宋西镇

李茂义, 袁巍, 陆亚钧, 宋西镇. 进气畸变对跨声速轴流压气机气动影响的机理研究[J]. 航空动力学报, 2014, 29(2): 374-383. doi: 10.13224/j.cnki.jasp.2014.02.017
引用本文: 李茂义, 袁巍, 陆亚钧, 宋西镇. 进气畸变对跨声速轴流压气机气动影响的机理研究[J]. 航空动力学报, 2014, 29(2): 374-383. doi: 10.13224/j.cnki.jasp.2014.02.017
LI Mao-yi, YUAN Wei, LU Ya-jun, SONG Xi-zhen. Mechanism investigation of aerodynamic effect on the inlet flow distortion in a transonic axial-flow compressor[J]. Journal of Aerospace Power, 2014, 29(2): 374-383. doi: 10.13224/j.cnki.jasp.2014.02.017
Citation: LI Mao-yi, YUAN Wei, LU Ya-jun, SONG Xi-zhen. Mechanism investigation of aerodynamic effect on the inlet flow distortion in a transonic axial-flow compressor[J]. Journal of Aerospace Power, 2014, 29(2): 374-383. doi: 10.13224/j.cnki.jasp.2014.02.017

进气畸变对跨声速轴流压气机气动影响的机理研究

doi: 10.13224/j.cnki.jasp.2014.02.017
基金项目: 国家自然科学基金(50906001)

Mechanism investigation of aerodynamic effect on the inlet flow distortion in a transonic axial-flow compressor

  • 摘要: 利用插板模拟跨声速轴流压气机进口流场畸变.通过实验和数值模拟两种手段详细分析了进口畸变下跨声速压气机的流动特点、激波沿周向的分布以及压气机的失速机理.实验和数值模拟的结果表明:插板使压气机前的不同周向位置产生正、负预旋流动;转子前速度的周向分布沿轴向是不断变化的,在距离转子较近时,畸变区的轴向速度反而较大;气流在过渡区A(转子进入低压区)时为正预旋,为非激波区;在过渡区B(转子退出低压区)和畸变区时为负预旋,为强激波区;过渡区的泄漏涡最强,是不稳定流动的诱发区域.

     

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出版历程
  • 收稿日期:  2012-12-13
  • 刊出日期:  2014-02-28

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