Physical models and vortex dynamics of swimming and flying: a review

D Zhang, JD Zhang, WX Huang - Acta Mechanica, 2022 - Springer
The swimming of aquatic animals and flying of insects and birds have fascinated physicists
and biologists for more than a century. In this regard, great efforts have been made to …

Wing design in flies: properties and aerodynamic function

S Krishna, M Cho, HN Wehmann, T Engels… - Insects, 2020 - mdpi.com
The shape and function of insect wings tremendously vary between insect species. This
review is engaged in how wing design determines the aerodynamic mechanisms with which …

Effects of Reynolds number on leading-edge vortex formation dynamics and stability in revolving wings

L Chen, L Wang, C Zhou, J Wu… - Journal of Fluid …, 2022 - cambridge.org
Effects of Reynolds number on leading-edge vortex formation dynamics and stability in
revolving wings Page 1 J. Fluid Mech. (2022), vol. 931, A13, doi:10.1017/jfm.2021.950 Effects …

Influence of the pivot location on the thrust and propulsive efficiency performance of a two-dimensional flapping elliptic airfoil in a forward flight

J Sinha, KB Lua, SM Dash - Physics of Fluids, 2021 - pubs.aip.org
In this article, the effect of the pivot point location on the thrust performance of a two-
dimensional sinusoidal flapping elliptic airfoil in a forward flight condition is investigated …

Vorticity dynamics and stability of the leading-edge vortex on revolving wings

L Chen, B Cheng, J Wu - Physics of Fluids, 2023 - pubs.aip.org
The leading-edge vortex (LEV) is well known for its contribution to the high-lift generation in
a wide variety of biological organisms, such as flying insects, auto-rotating samaras, and …

Dual-stage radial–tangential vortex tilting reverses radial vorticity and contributes to leading-edge vortex stability on revolving wings

L Chen, C Zhou, NH Werner, B Cheng… - Journal of Fluid …, 2023 - cambridge.org
Dual-stage radial–tangential vortex tilting reverses radial vorticity and contributes to leading-edge
vortex stability on revo Page 1 J. Fluid Mech. (2023), vol. 963, A29, doi:10.1017/jfm.2023.196 …

Power synchronisations determine the hovering flight efficiency of passively pitching flapping wings

Q Huang, SS Bhat, EC Yeo, J Young… - Journal of Fluid …, 2023 - cambridge.org
The power exchange between fluid and structure plays a significant role in the force
production and flight efficiency of flapping wings in insects and artificial flyers. This work …

Effects of wing-to-body mass ratio on insect flapping flights

R Xu, X Zhang, H Liu - Physics of Fluids, 2021 - pubs.aip.org
Bio-flyers of insects, birds, and bats are observed to have a broad range of wing-to-body
mass ratio (WBMR) from 0.1% to 15%. The WBMR and wing mass distribution can lead to …

Beneficial wake-capture effect for forward propulsion with a restrained wing-pitch motion of a butterfly

YJ Lin, SK Chang, YH Lai… - Royal Society open …, 2021 - royalsocietypublishing.org
Unlike other insects, a butterfly uses a small amplitude of the wing-pitch motion for flight.
From an analysis of the dynamics of real flying butterflies, we show that the restrained …

Enhanced flight performance and adaptive evolution of Mesozoic giant cicadas

C Xu, J Chen, FT Muijres, Y Yu, EA Jarzembowski… - Science …, 2024 - science.org
Insects have evolved diverse ecological flight behaviors and adaptations that played a key
role in their large-scale evolutionary patterns. However, the evolution of their flight …