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昆虫翅平面形状和展弦比对其气动性能的影响

牟晓蕾 孙茂

牟晓蕾, 孙茂. 昆虫翅平面形状和展弦比对其气动性能的影响[J]. 北京航空航天大学学报, 2011, 37(11): 1359-1364,1371.
引用本文: 牟晓蕾, 孙茂. 昆虫翅平面形状和展弦比对其气动性能的影响[J]. 北京航空航天大学学报, 2011, 37(11): 1359-1364,1371.
Mou Xiaolei, Sun Mao. Effects of wing planform on aerodynamics force production of stroking model insect wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(11): 1359-1364,1371. (in Chinese)
Citation: Mou Xiaolei, Sun Mao. Effects of wing planform on aerodynamics force production of stroking model insect wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(11): 1359-1364,1371. (in Chinese)

昆虫翅平面形状和展弦比对其气动性能的影响

基金项目: 国家自然基金资助项目(10732030); 111计划资助项目(B07009)
详细信息
    作者简介:

    牟晓蕾(1984-),男,山东烟台人,博士生,mouxiaolei@ase.buaa.edu.cn.

  • 中图分类号: V 211.3

Effects of wing planform on aerodynamics force production of stroking model insect wing

  • 摘要: 应用计算流体力学的方法研究昆虫翅膀平面形状和展弦比对其拍动运动时气动力的影响.选取了10种具有代表性的平面形状和展弦比差别较大的昆虫翅膀作为研究对象.这10种昆虫分别是果蝇、大蚊、蜂蝇、食蚜蝇、瓢虫、熊蜂、蜜蜂、草蜻蛉(前翅)、鹰蛾 和蜻蜓 (前翅).研究结果表明:翅膀面积的二阶矩折合半径越大其气动力越大,当使用翅膀面积的二阶矩折合半径处的速度作为参考速度时,翅膀平面形状对无量纲气动力的影响很小.当翅膀展弦比有较大变化(从2.8增大到5.5)时,气动力系数只有很小的变化.流动的三维效应减弱和部分前缘涡(LEV,Leading-Edge Vortices)的脱落,这两种效果相互抵消,导致气动力系数变化不大.

     

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出版历程
  • 收稿日期:  2010-07-20
  • 网络出版日期:  2011-11-30

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