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倾转涵道倾转过渡阶段的非定常气动力

杨磊 叶正寅

杨磊, 叶正寅. 倾转涵道倾转过渡阶段的非定常气动力[J]. 航空动力学报, 2015, 30(1): 155-163. doi: 10.13224/j.cnki.jasp.2015.01.022
引用本文: 杨磊, 叶正寅. 倾转涵道倾转过渡阶段的非定常气动力[J]. 航空动力学报, 2015, 30(1): 155-163. doi: 10.13224/j.cnki.jasp.2015.01.022
YANG Lei, YE Zheng-yin. Unsteady aerodynamic force of tilt ducted fan during transition period[J]. Journal of Aerospace Power, 2015, 30(1): 155-163. doi: 10.13224/j.cnki.jasp.2015.01.022
Citation: YANG Lei, YE Zheng-yin. Unsteady aerodynamic force of tilt ducted fan during transition period[J]. Journal of Aerospace Power, 2015, 30(1): 155-163. doi: 10.13224/j.cnki.jasp.2015.01.022

倾转涵道倾转过渡阶段的非定常气动力

doi: 10.13224/j.cnki.jasp.2015.01.022
详细信息
    作者简介:

    杨磊(1988-),男,河南郑州人,博士生,主要从事设计空气动力学研究.

  • 中图分类号: V211.53

Unsteady aerodynamic force of tilt ducted fan during transition period

  • 摘要: 为研究倾转涵道动力装置在倾转过渡阶段的非定常气动力,使用基于滑移网格技术的非定常计算方法,利用基于内场信息和叶素理论的压力盘模型模拟风扇螺旋桨,通过求解Navier-Stokes(N-S)方程,对涵道风扇俯仰拉起过程进行数值模拟.结果表明:在倾转过程中涵道风扇非定常气动力的迟滞特性明显,俯仰角速度延迟了流场分离,增加了涵道风扇的升力和阻力;低速飞行时,涵道风扇在整个倾转过渡阶段气动性能优良;在高速大迎角飞行时,涵道风扇气动性能恶化,俯仰力矩曲线紊乱,不利于进行倾转过渡飞行.

     

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出版历程
  • 收稿日期:  2013-09-12
  • 刊出日期:  2015-01-28

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