Results 11 to 20 of about 12,055 (162)
Static aeroelastic analysis of very flexible wings coupled with distributed propellers
Xibei Gongye Daxue Xuebao, 2023 Distributed propellers are widely used as propulsion for high-aspect-ratio long-endurance UAVs, and their load and slipstream will change the structural and aerodynamic characteristics of the wing, making geometric nonlinear effects more prominent.
WU Xuan, ZHOU Zhou, WANG Zhengping
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Tumbling Dynamics of Passive Flexible Wings [PDF]
Physical Review Letters, 2010 The influence of flexibility on the flight of autorotating winged seedpods is examined through an experimental investigation of tumbling rectangular paper strips freely falling in air. Our results suggest the existence of a critical length above which the wing bends.
Tam, Daniel +3 more
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Roles of wing flexibility and kinematics in flapping wing aerodynamics
Journal of Fluids and Structures, 2021 Abstract Insects are excellent fliers because of their ability to generate precise wing kinematics and deform their wings for the sufficient production of unsteady aerodynamic forces. Most of the previous studies on the effects of wing kinematics on the aerodynamics have been limited to the use of rigid wings, and leaves the contribution of wing ...
Reynolds Addo-Akoto +2 more
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AIP Advances, 2020 Birds in nature adjust the shape of their wings in time according to the change in wind resistance to achieve the purpose of increasing lift and reducing drag, thereby achieving higher flight efficiency.
Jie Qin +5 more
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Multidisciplinary Design and Optimization of Variable Camber Wing with Non-Equal Chord
Aerospace, 2023 Since the taper ratio of most wings is not equal to 1, the beam-disk trailing edge deflection mechanism originally designed for the rectangular wing is not fully applicable to the non-equal chord wing.
Yu Wang +3 more
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Aerospace, 2020 A comparative sensitivity study for the flutter instability of aircraft wings in subsonic flow is presented, using analytical models and numerical tools with different multidisciplinary approaches.
Marco Berci, Francesco Torrigiani
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Aerodynamic effects of flexibility in flapping wings [PDF]
Journal of The Royal Society Interface, 2009 Recent work on the aerodynamics of flapping flight reveals fundamental differences in the mechanisms of aerodynamic force generation between fixed and flapping wings. When fixed wings translate at high angles of attack, they periodically generate and shed leading and trailing edge vortices as reflected in their fluctuating ...
Liang, Zhao +3 more
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Passive Wing Rotation in Flexible Flapping Wing Aerodynamics [PDF]
30th AIAA Applied Aerodynamics Conference, 2012 *Insect wings are flexible. For rigid wings lift enhancing unsteady aerodynamics mechanisms, such as delayed stall via leading-edge vortices (LEVs), wake-capture, and rotational forces, characterize the lift generation of a hovering insect. We have uncovered a novel mechanism that fruit fly size insects can utilize to further increase the lift by ...
Kang, Chang-Kwon, Shyy, Wei
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Influence of wing flexibility on the aerodynamic performance of a tethered flapping bumblebee
Theoretical and Applied Mechanics Letters, 2020 EDITOR'S RECOMMENDATION: The flight of insects has enlightened the flying dream of human beings for centuries. Wing flexibility is often used by insects to increase their flight efficiencies.
Hung Truong +3 more
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Design and Analysis of Flexible Wing
ACS Journal for Science and Engineering, 2023 Modern transport aircrafts are introducing high lift devices to overcome the contradiction between economic considerations and low flight speed lift requirements. The flaps are known as high lifting devices. This paper contains an exploration of the analysis of aerodynamics characteristics and other characteristics properties of flaps with the help of ...
null Akhil P Thomas +3 more
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