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压气机中尾迹/边界层作用模型的分析与验证

杨荣菲 李志平 李秋实 周盛

杨荣菲, 李志平, 李秋实, 周盛. 压气机中尾迹/边界层作用模型的分析与验证[J]. 航空动力学报, 2011, 26(7): 1647-1653.
引用本文: 杨荣菲, 李志平, 李秋实, 周盛. 压气机中尾迹/边界层作用模型的分析与验证[J]. 航空动力学报, 2011, 26(7): 1647-1653.
YANG Rong-fei, LI Zhi-ping, LI Qiu-shi, ZHOU Sheng. Analysis and verification of wake / boundary layer interaction model in compressor[J]. Journal of Aerospace Power, 2011, 26(7): 1647-1653.
Citation: YANG Rong-fei, LI Zhi-ping, LI Qiu-shi, ZHOU Sheng. Analysis and verification of wake / boundary layer interaction model in compressor[J]. Journal of Aerospace Power, 2011, 26(7): 1647-1653.

压气机中尾迹/边界层作用模型的分析与验证

基金项目: 国家自然科学基金(10902008); "凡舟"青年科研基金(20090401)

Analysis and verification of wake / boundary layer interaction model in compressor

  • 摘要: 基于叶轮机中尾迹的负射流效应,考虑了边界层外缘黏性力项对边界层发展的影响,推导了尾迹/边界层相互作用的数学模型,并建立了边界层动量厚度与压气机叶片负荷变化的定量关系,对模型进行了数值模拟和实验验证.结果表明:①此模型能够较好地预测尾迹通过频率对压气机负荷的影响,压气机压升随着尾迹通过频率的变化存在极大值;②尾迹引起边界层当地压力梯度变化,是影响压气机负荷的主要因素.

     

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出版历程
  • 收稿日期:  2010-07-20
  • 修回日期:  2010-12-10
  • 刊出日期:  2011-07-28

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