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对转开式转子非定常气动干扰特性分析

夏贞锋 杨 永

夏贞锋, 杨 永. 对转开式转子非定常气动干扰特性分析[J]. 航空动力学报, 2014, 29(4): 835-843. doi: 10.13224/j.cnki.jasp.2014.04.013
引用本文: 夏贞锋, 杨 永. 对转开式转子非定常气动干扰特性分析[J]. 航空动力学报, 2014, 29(4): 835-843. doi: 10.13224/j.cnki.jasp.2014.04.013
XIA Zhen-feng, YANG Yong. Characteristic analysis of unsteady aerodynamic interactions of contra rotating open rotor[J]. Journal of Aerospace Power, 2014, 29(4): 835-843. doi: 10.13224/j.cnki.jasp.2014.04.013
Citation: XIA Zhen-feng, YANG Yong. Characteristic analysis of unsteady aerodynamic interactions of contra rotating open rotor[J]. Journal of Aerospace Power, 2014, 29(4): 835-843. doi: 10.13224/j.cnki.jasp.2014.04.013

对转开式转子非定常气动干扰特性分析

doi: 10.13224/j.cnki.jasp.2014.04.013
详细信息
    作者简介:

    夏贞锋(1985-),女,河南漯河人,博士生,主要从事螺旋桨空气动力学、计算流体力学研究.

  • 中图分类号: V211.3

Characteristic analysis of unsteady aerodynamic interactions of contra rotating open rotor

  • 摘要: 采用动态面搭接技术,求解非定常雷诺平均Navier-Stokes方程实现对转开式转子的非定常气动数值模拟.对10片桨叶单个转子和10×10对转开式转子构型分别进行模拟,对比分析前后两个转子间的气动干扰和滑流流动干扰.结果表明:与单个转子相比,对转开式转子前转子的拉力系数和功率系数减小,后转子的拉力系数和功率系数则都增大,并在一个旋转周期内都呈现20次周期性波动.前后转子拉力系数的频谱分析显示振荡发生在桨叶通过频率的偶数倍,且在2倍时后转子拉力的振幅最大.前转子桨尖涡与后转子的周期性干扰,引起后转子桨叶力分布的变化和非定常性.与单个转子相比,前转子后滑流轴向速度偏大,周向速度偏小.后转子对滑流有二次加速及旋涡恢复作用.

     

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出版历程
  • 收稿日期:  2013-06-06
  • 刊出日期:  2014-04-28

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