Flow Visualization of Rhinoceros Beetle (Trypoxylus dichotomus) in Free Flight

Flow Visualization of Rhinoceros Beetle (Trypoxylus

dichotomus) in Free Flight

Tien Van Truong;Tuyen Quang Le;Hieu Trung Tran;Hoon Cheol Park;Kwang Joon Yoon;Doyoung Byun

【期刊名称】《仿生工程学报（英文版）》 【年(卷),期】2012(009)003

【摘要】Aerodynamic characteristics of the beetle,Trypoxylus dichotomus,which has a pair of elytra (forewings) and flexible hind wings,are investigated.Visualization experiments were conducted for various

flight

conditions

of

a

beetle,Trypoxylus

dichotomus:free,tethered,hovering,forward and climbing flights.Leading edge,trailing edge and tip vortices on both wings were observed clearly.The leading edge vortex was stable and remained on the top surface of the elytron for a wide interval during the downstroke of free forward flight.Hence,the elytron may have a considerable role in lift force generation of the beetle.In addition,we reveal a suction phenomenon between the gaps of the hind wing and the elytron in upstroke that may improve the positive lift force on the hind wing.We also found the reverse clap-fling mechanism of the T.dichotomus beetle in hovering flight.The hind wings touch together at the beginning of the upstroke.The vortex generation,shedding and interaction give a better understanding of the detailed aerodynamic mechanism of beetle flight.

【总页数】11页(304-314) 【关键词】

【作者】Tien Van Truong;Tuyen Quang Le;Hieu Trung Tran;Hoon Cheol Park;Kwang Joon Yoon;Doyoung Byun

【作者单位】Department of Aerospace Information Engineering, Konkuk University, Seoul 143-701, Republic of Korea;Costal Engineering and Ocean Energy Research Department, Korea Ocean Research and Development Institute,454 Haeanro Sangrok-gu Ansan 426-744, Republic of Korea;Department of Aerospace Information Engineering, Konkuk University, Seoul 143-701, Republic of Korea;Department of Advanced Technology Fusion, Konkuk University, Seoul 143-701, Republic of Korea;Department of Aerospace Information Engineering, Konkuk University, Seoul 143-701, Republic of Korea;Department of Mechanical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea 【正文语种】中文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_journal-bionic-engineering_thesis/0201254571215.html 【相关文献】

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