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转静干涉对转子叶片颤振特性的影响

杨慧 李振鹏

杨慧, 李振鹏. 转静干涉对转子叶片颤振特性的影响[J]. 北京航空航天大学学报, 2016, 42(2): 258-264. doi: 10.13700/j.bh.1001-5965.2015.0094
引用本文: 杨慧, 李振鹏. 转静干涉对转子叶片颤振特性的影响[J]. 北京航空航天大学学报, 2016, 42(2): 258-264. doi: 10.13700/j.bh.1001-5965.2015.0094
YANG Hui, LI Zhenpeng. Influence of rotor-stator interaction on rotor blade flutter characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(2): 258-264. doi: 10.13700/j.bh.1001-5965.2015.0094(in Chinese)
Citation: YANG Hui, LI Zhenpeng. Influence of rotor-stator interaction on rotor blade flutter characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(2): 258-264. doi: 10.13700/j.bh.1001-5965.2015.0094(in Chinese)

转静干涉对转子叶片颤振特性的影响

doi: 10.13700/j.bh.1001-5965.2015.0094
详细信息
    作者简介:

    杨慧 女,博士,讲师。主要研究方向:叶轮机械气动弹性数值模拟。Tel.:010-82339036 E-mail:huiyang@buaa.edu.cn;李振鹏 男,硕士研究生。主要研究方向:叶轮机械气动弹性数值模拟。E-mail:lizhenpeng_work@163.com

    通讯作者:

    杨慧,Tel.:010-82339036 E-mail:huiyang@buaa.edu.cn

  • 中图分类号: V232.4

Influence of rotor-stator interaction on rotor blade flutter characteristics

  • 摘要: 在不同气动工况、不同几何模型下,采用自行开发程序对全环多排的高压压气机进行了流固耦合数值模拟,分析了进口导流叶片(IGV,以下简称导叶)对转子叶片颤振稳定性的影响。通过对气动弹性标准算例4的数值模拟验证了程序在颤振领域的有效性。针对导叶-转子模型和单转子模型,考察了近堵塞点、近设计点和近失速点3个工况下,节径变化对叶片颤振稳定性的影响,给出了气动弹性最不稳定状态对应的叶片振动形式。通过对比发现,导叶作用随工况而异,近堵塞点导叶使得转子1阶弯曲模态气动阻尼提高130.63%。研究表明:导叶引起的非定常压力波反射增强了转子叶片的非定常压力扰动幅值,使得弯曲振型的颤振稳定性增强。基于单转子模型的颤振分析给出了不准确的气动阻尼值。

     

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出版历程
  • 收稿日期:  2015-02-13
  • 刊出日期:  2016-02-20

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