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Ming Qi, Wenguo Zhu and Shu Li
The flight of a migratory bird-like flapping-wing aircraft is characterized by a low Reynolds number and unsteadiness. The selection of airfoil profiles is critical to designing an efficient flapping-wing aircraft. To choose the suitable airfoil for vari...
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Emanuel A. R. Camacho, Flávio D. Marques and André R. R. Silva
Flapping wing dynamics are of great interest in many research areas, such as bioinspired systems and aircraft aeroelasticity. The findings of the present study provide significant insight into the importance of the leading-edge dynamic incidence on the p...
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Xiancheng Gu, Linghua Dong, Tong Li and Weidong Yang
An active rotor with trailing-edge flaps (TEFs) is an effective active vibration control method for helicopters. Blade flapping dynamic characteristics have a significant effect on the active vibration control performance of an active rotor. In this stud...
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Ming Qi, Wenguo Zhu and Shu Li
For large bird-like flapping wing aircraft, the fluid?structure coupling problem is very important. Through the passive torsional deformation of the wing, sufficient thrust is generated and propulsion efficiency is ensured. Moreover, spanwise bending def...
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Hongtao Yu and Zifeng Yang
A 2D numerical simulation was conducted to investigate the effect of an extended rigid trailing edge fringe with a flapping motion on the S833 airfoil and its wake flow field, as an analogy of an owl?s wing. This study aims to characterize the influence ...
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Yuval Keren, Haim Abramovich and Rimon Arieli
To propel a lightweight structure, a hybrid wing structure was designed; the wing?s geometry resembled a rotor blade, and its flexibility resembled an insect?s flapping wing. The wing was designed to be flexible in twist and spanwise rigid, thus maintain...
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Mohammed I. Al-Majed and Khalid A. Alsaif
Pág. 779 - 794
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