ArticleRoyal Society open science2018
The leading-edge vortex on a rotating wing changes markedly beyond a certain central body size.
Article in Royal Society open science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Bridging Biology and Engineering: Unsteady Aerodynamics and Biomimetic Design of Micro Air Vehicles.Biomimetics (Basel, Switzerland) · 2026Review
- Insect wing flexibility improves the aerodynamic performance of small revolving wings.iScience · 2025Article
- Research on Deployable Wings for MAVs Bioinspired by the Hind Wings of the BeetleBiomimetics (Basel, Switzerland) · 2024Article
- Proximity to the water surface markedly enhances the force production on underwater flapping wings.PloS one · 2024Article
- Dynamic experimental rigs for investigation of insect wing aerodynamics.Journal of the Royal Society, Interface · 2022Review
- Effects of uniform vertical inflow perturbations on the performance of flapping wings.Royal Society open science · 2021Article
- Data-driven CFD Scaling of Bioinspired Mars Flight Vehicles for Hover.Acta astronautica · 2021Article
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Authors and funding
5 authors.
Funding
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Abstract
Stable attachment of a leading-edge vortex (LEV) plays a key role in generating the high lift on rotating wings with a central body. The central body size can affect the LEV structure broadly in two ways. First, an overall change in the size changes the Reynolds number, which is known to have an influence on the LEV structure. Second, it may affect the Coriolis acceleration acting across the wing, depending on the wing-offset from the axis of rotation. To investigate this, the effects of Reynolds number and the wing-offset are independently studied for a rotating wing. The three-dimensional LEV structure is mapped using a scanning particle image velocimetry technique. The rapid acquisition of images and their correlation are carefully validated. The results presented in this paper show that the LEV structure changes mainly with the Reynolds number. The LEV-split is found to be only minimally affected by changing the central body radius in the range of small offsets, which interestingly includes the range for most insects. However, beyond this small offset range, the LEV-split is found to change dramatically.
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