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http://dx.doi.org/10.5139/JKSAS.2018.46.9.712

Parametric Study on Wing Design of Insect-mimicking Aerial Vehicle with Biplane Configuration  

Park, Heetae (Department of Aerospace Engineering, Chungnam National University)
Kim, Dongmin (Department of Aerospace Engineering, Chungnam National University)
Mo, Hyemin (Department of Aerospace Engineering, Chungnam National University)
Kim, Lamsu (Department of Aerospace Engineering, Chungnam National University)
Lee, Byoungju (Department of Aerospace Engineering, Chungnam National University)
Kim, Inrae (Department of Aerospace Engineering, Chungnam National University)
Kim, Seungkeun (Department of Aerospace Engineering, Chungnam National University)
Ryi, Jaeha (Department of Aerospace Engineering, Chungnam National University)
Choi, Jong-Soo (Department of Aerospace Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.9, 2018 , pp. 712-722 More about this Journal
Abstract
This paper conducts parametric studies on flapping wing design, one of the most important design parameters of insect-mimicking aerial vehicles. Experimental study on wing shape was done through comparison and analysis of thrust, pitching moment, power consumption, and thrust-to-power ratio. A two-axis balance and hall sensor measure force and moment, and flapping frequency, respectively. Wing configuration is biplane configuration which can develop clap and fling effect. A reference wing shape is a simplified dragonfly's wing and studies on aspect ratio and wing area were implemented. As a result, thrust, pitching moment, and power consumption tend to increase as aspect ratio and area increase. Also, it is found that the flapping mechanism was not normally operated when the main wing has an aspect ratio or area more than each certain value. Finally, the wing shape is determined by comparing thrust-to-power ratio of all wings satisfying the required minimum thrust. However, the stability is not secured due to moment generated by disaccord between thrust line and center of gravity. To cope with this, aerodynamic dampers are used at the top and bottom of the fuselage; then, indoor flight test was attempted for indirect performance verification of the parametric study of the main wing.
Keywords
Bio-inspired System; Flapping Wing; Wing Configuration Change; Parametric Study;
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