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Hui Yang, Songcheng Jiang, Yan Wang and Hong Xiao
A multi-dimensional morphing wing skeleton mechanism is proposed with double-sided triangular pyramid units, which can realize continuous variable span-wise bend, span-wise twist, and sweep. A lockable morphing unit is designed, and its mechanism/structu...
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Yu Wang, Xiang Li, Tingjia Wu and Hailian Yin
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. Moreover, it is not only expected that the wing shap...
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Lennart Lobitz, Hendrik Traub, Mats Overbeck, Maximilian Bien, Sebastian Heimbs, Christian Hühne, Jens Friedrichs and Peter Horst
Laminar flow offers significant potential for increasing the energy-efficiency of future transport aircraft. The German Cluster of Excellence SE2A is developing a new approach for hybrid laminar flow control. The concept aims to maintain laminar flow up ...
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Jesus Rosales, Addison Miller, Edgar Nunez, Andreas Gross and Nancy Chanover
The conceptual design of a hybrid aerial vehicle for the exploration of the upper Venus atmosphere is presented. The vehicle will float like a balloon and harvest solar energy which is stored in batteries. The neutral buoyancy reduces the energy consumpt...
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Weiji Wang, Wei Qian, Xinyu Ai and Yuguang Bai
The aerodynamic configuration of large swept-back tri-wings is generally adopted for hypersonic vehicles, but the structural stiffness of the ailerons is weak, which may lead to damage due to the flutter behavior. In the initial stage of structural desig...
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Jinrui Yu and Jiayao Ma
The research focuses on the design of a shear morphing wing skin, which can potentially greatly expand the shear morphing capability of aircraft wings and meet the requirements of a large swept-back angle at high speed and a small swept-back angle at low...
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Muhammed S. Parancheerivilakkathil, Zawar Haider, Rafic M. Ajaj and Mohammadreza Amoozgar
This paper presents the development of a novel polymorphing wing capable of Active Span morphing And Passive Pitching (ASAPP) for small UAVs. The span of an ASAPP wing can be actively extended by up to 25% to enhance aerodynamic efficiency, whilst its pi...
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Peter L. Bishay, James S. Kok, Luis J. Ferrusquilla, Brian M. Espinoza, Andrew Heness, Antonio Buendia, Sevada Zadoorian, Paul Lacson, Jonathan D. Ortiz, Ruiki Basilio and Daniel Olvera
Conventional aircraft use discrete flight control surfaces to maneuver during flight. The gaps and discontinuities of these control surfaces generate drag, which degrades aerodynamic and power efficiencies. Morphing technology aims to replace conventiona...
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Zhao Yang and Jie Li
Aeroelastic deformation of the high-aspect-ratio wing from a solar-powered UAV will definitely lead to the difference of its performance between design and actual flight. In the present study, the numerical fluid?structural coupling analysis of a wing wi...
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Qimeng Liu, Hao Chen, Zhenhua Wang, Qu He, Linke Chen, Weikun Li, Ruipeng Li and Weicheng Cui
Recent research on robotic fish mainly focused on the bionic structure design and realizing the movement with smart materials. Although many robotic fish have been proposed, most of these works were oriented toward shallow water environments and are most...
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