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AS LIGHT AS A BUTTERFLY,AS THIN AS A BEE-THE MYSTERY OF DRAGONFLIES BASED ON FLUID MECHANICS 1)
Authors:JIANG Nan  YANG Shaoqiong
Institution:School of Mechanical Engineering, Tianjin University, Tianjin 300354, China
Abstract:In the appreciation of the ancient poem for dragonflies, we discuss the magical hydrodynamic characteristics of dragonflies, which have evolved for hundreds of millions of years. The dragonfly's compound eye, the wings' ability of eliminating chatter, the superhydrophobicity of its epidermis, the drag reduction by its scales, and the mechanical characteristics of the water-jet propulsion of the dragonfly larvae; and their inspiration to the development of engineering technology are discussed. At the same time, the development status of the dragonfly robots is introduced as well.
Keywords:dragonfly  compound eye  wing flutter  superhydrophobic  dragonfly robot  
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