ArticleScientific reports2019
A contralateral wing stabilizes a hovering hawkmoth under a lateral gust.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The interplay of carbon and nitrogen cycling driven by watershed microorganisms.Frontiers in microbiology · 2025Review
- Z-folding aircraft electromagnetic scattering analysis based on hybrid grid matrix transformation.Scientific reports · 2022Article
- Joint improvements of radar/infrared stealth for exhaust system of unmanned aircraft based on sorting factor Pareto solution.Scientific reports · 2021Article
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Authors and funding
2 authors.
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Abstract
Previous analysis on the lateral stability of hovering insects, which reported a destabilizing roll moment due to a lateral gust, has relied on the results of a single wing without considering a presence of the contralateral wing (wing-wing interaction). Here, we investigated the presence of the contralateral wing on the aerodynamic and flight dynamic characteristics of a hovering hawkmoth under a lateral gust. By employing a dynamically scaled-up mechanical model and a servo-driven towing system installed in a water tank, we found that the presence of the contralateral wing plays a significant role in the lateral static stability. The contralateral wing mitigated an excessive aerodynamic force on the wing at the leeward side, thereby providing a negative roll moment to the body. Digital particle image velocimetry revealed an attenuated vortical system of the leading-edge vortex. An excessive effective angle of attack in the single wing case, which was caused by the root vortex of previous half stroke, was reduced by a downwash of the contralateral wing. The contralateral wing also relocated a neutral point in close proximity to the wing hinge points above the actual center of gravity, providing a practical static margin to a hovering hawkmoth.
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