Study on flexible flapping wings with three dimensional asymmetric passive deformation in a flapping cycle
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105944
Abstract: Abstract In order to further improve the efficiency of flapping wings, inspired by bird flight, a new compliant joint structure is proposed, which is easy to manufacture. The joint has the capacity of passive bending,… read more here.
Keywords: asymmetric passive; flapping wings; flapping cycle; deformation flapping ... See more keywords
Numerical analysis of a tidal current generator with dual flapping wings
Sign Up to like & getrecommendations! Published in 2018 at "Energy"
DOI: 10.1016/j.energy.2018.05.035
Abstract: Abstract Flapping wings, inspired by the mechanism of birds and fish, can act as generators to harvest energy from tidal currents. The hydraulic system is simplified as a spring-damper system to establish the coupling equations… read more here.
Keywords: motion; flapping wings; system; response ... See more keywords
Effects of flexibility on the hovering performance of flapping wings with different shapes and aspect ratios
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2018.04.019
Abstract: Abstract The effects of isotropic homogeneous flexibility on the aerodynamic performance of flapping wings with different shapes and aspect ratios in hover at a Reynolds number of 400 have been studied numerically with a 3-D… read more here.
Keywords: performance flapping; pitch; flapping wings; power ... See more keywords
Aerodynamic characteristics of flapping wings under steady lateral inflow
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.255
Abstract: This experimental study investigates the effect of a uniform lateral inflow on the aerodynamic characteristics of flapping wings. Seven designated sideward ratios in the hovering condition and in the presence of a contralateral wing and… read more here.
Keywords: moment; flapping wings; lateral inflow; aerodynamic characteristics ... See more keywords
On dissecting the wakes of flapping wings
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0150267
Abstract: Flapping is an energy-demanding mode of fast animal locomotion that requires physiology, wing kinematics, and unsteady mechanics to work in unison. The trailing flow or wake is a signature of flapping mechanics, which makes it… read more here.
Keywords: dissecting wakes; flapping wings; mechanics; wakes flapping ... See more keywords
Unsteady aerodynamic analysis and effectiveness of bio-inspired flapping wings in V-formation flight
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100221103020
Abstract: Several bird species have been observed to fly in V-formation, an arrangement which exploits aerodynamic features to allow the group to conserve energy when migrating over long distances without stopping and feeding. The use of… read more here.
Keywords: bio inspired; flapping wings; formation; wing shape ... See more keywords
A modified unsteady-nonlinear aeroelastic model for flapping wings
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100221108316
Abstract: A novel integrated aeroelastic model of flapping wings (FWs) undergoing a prescribed rigid body motion is presented. In this respect, the FW nonlinear structural dynamics is enhanced via a newly proposed modification of implicit condensation… read more here.
Keywords: flapping wings; aeroelastic model; modified unsteady; model flapping ... See more keywords
Aerodynamics of Flapping Wings for Vertical Takeoff
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Fluid Mechanics"
DOI: 10.29252/jafm.73.245.26959
Abstract: The present study is based on analysing a flapping based locomotion in vertical direction which is inspired from jelly fish in vertical locomotion. A numerical investigation is performed to analyse the aerodynamic performance in terms… read more here.
Keywords: flapping wings; locomotion; aerodynamics flapping; aerodynamics ... See more keywords