吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (05): 1283-1287.

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Self cleaning character and dynamic analysis of drayonfly wing

WAN Yan-ling1,CONG Qian1,LI Shou-kui2   

  1. 1.Key Laboratory for Bionic Engineering,Minisitry of Education, Jilin University, Changchun 130022|China;2.Research &|Development Center,China FAW Group Corporation, Changchun 130011,China
  • Received:2009-09-30 Online:2010-09-01 Published:2010-09-01

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Abstract:

The relationships between the mass stability and the dynamics of the selfcleaning structure of the dragonfly wing were analyzed by the finite element method. The results show that the natural frequency of the dragonfly wing is greater than its flap frequency, avoiding effectively the resonance. However, the natural frequency of the polluted wing drops to close to the flap frequency, leading easily to disastrous consequences. The selfcleaning structures in the dragonfly wing surface guarantee the dyanmics of its structural stability, which provides a new idea and approach to aircraft stability design.

Key words: engineering bionics, super hydrophobicity, dynamics, stability, dragonfly wing, self cleaning structure

CLC Number: 

  • TB17
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