期刊
INTERFACE FOCUS
卷 7, 期 1, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsfs.2016.0087
关键词
micro-robots; butterfly wings; wind tunnel; computational fluid dynamics; gliding
类别
资金
- Wyss Institute for Biologically Inspired Engineering (ONR) [N00014-10-1-0684]
- EPSRC Centre for Doctoral Training in Fluid Dynamics across Scales [EP/L016230/1]
- EPSRC Aquatic Micro Aerial Vehicles (AquaMAV): Bio-inspired air-water mobility for robotics [EP/N009061/1]
- EPSRC [EP/N018494/1, EP/N009061/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N009061/1, 1531698, EP/N018494/1, 1676886] Funding Source: researchfish
Many insects are well adapted to long-distance migration despite the larger energetic costs of flight for small body sizes. To optimize wing design for next-generation flying micro-robots, we analyse butterfly wing shapes and wing orientations at full scale using numerical simulations and in a low-speed wind tunnel at 2, 3.5 and 5 m s(-1). The results indicate that wing orientations which maximize wing span lead to the highest glide performance, with lift to drag ratios up to 6.28, while spreading the fore-wings forward can increase the maximum lift produced and thus improve versatility. We discuss the implications for flying micro-robots and how the results assist in understanding the behaviour of the butterfly species tested.
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