【摘 要】
：
The present work aimed to reveal the hierarchical structure and demonstrate the bending characteristics of worker honeybee(Apis mellifera)wings.Honeybee win
【机 构】
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StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstituteofTechnology,Beijing,100081,China
【出 处】
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The 5th International Conference of Bionic Engineering 第五届国际
论文部分内容阅读
The present work aimed to reveal the hierarchical structure and demonstrate the bending characteristics of worker honeybee(Apis mellifera)wings.Honeybee wings including the forewing and hindwing,which are mainly composed of veins and membranes,are a kind of typical hierarchical biomaterials.We investigated the cross-sections of membranes,veins and wing hairs through Scanning Electron Microscopy(SEM).Based on our experiments,the membrane has the multilayered structure and the vein is a thick-walled cylinder.Furthermore,the wing hair,possessing the thread surface,has the multilayered structure as well.At the vein/membrane conjunctive position,the membranes and veins are connected seamlessly,and the veins are packed smoothly and tightly by the membranes into a whole,performing the flapping flight of honeybees.Under this circumstance,we also conducted the cantilever bending experiment of honeybee wings to explore their bending characteristics using the MTS Tytron 250 micro force tester.Experimental results showed that the ability of honeybee wings anti-spanwise bending transformation is better than that of anti-chordwise bending transformation,and ventral load bearing ability is better than dorsal one along the spanwise and chorwise direction of the wing.We concluded that the wing venation and wing configuration are relevant to the wing biomechanical behaviour,i.e.the bending asymmetry of honeybee wings.
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