Span morphing using the compliant spar
, 2014 This paper develops and models the Compliant Spar concept that allows the wing span to be varied to provide roll control and enhance the operational performance for a medium altitude long endurance (MALE) UAV.
Ajaj, R.M. +3 more
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Implementation of a hybrid electro-active actuated morphing wing in wind tunnel [PDF]
, 2017 Amongst current aircraft research topics, morphing wing is of great interest for improving the aerodynamic performance. A morphing wing prototype has been designed for wind tunnel experiments.
Braza, Marianna +4 more
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Compliant rolling-contact architected materials for shape reconfigurability. [PDF]
, 2018 Architected materials can achieve impressive shape-changing capabilities according to how their microarchitecture is engineered. Here we introduce an approach for dramatically advancing such capabilities by utilizing wrapped flexure straps to guide the ...
Chizari, Samira +4 more
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Unsteady Aerodynamics of Continuously Morphing Airfoils from Transonic to Hypersonic Regimes
AerospaceDesigning high-speed aircraft for wide-speed-range operation remains a major aerodynamic challenge. This study investigates the unsteady aerodynamics of a continuously morphing airfoil from transonic to hypersonic regimes. A smooth morphing trajectory is
Linyi Zhi +4 more
doaj +1 more source
State of the Art in the Optimisation of Wind Turbine Performance Using CFD [PDF]
, 2019 Wind energy has received increasing attention in recent years due to its sustainability and geographically wide availability. The efficiency of wind energy utilisation highly depends on the performance of wind turbines, which convert the kinetic energy ...
Haghnegahdar, Mohammad Amin +5 more
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A combined smart-materials approach for next-generation airfoils [PDF]
, 2016 This article will present a morphing wing actuated using both surface embedded Shape memory alloys (SMAs) and trailing edge Macro-fiber composites (MFCs).
Braza, Marianna +6 more
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Hierarchical modeling and optimization of camber morphing airfoil
Aerospace Science and Technology, 2015 Abstract A variable camber morphing airfoil with compliant ribs and flexible composite skins is studied in a hierarchical modeling framework. The key requirements of a variable camber morphing airfoil are the flexible skin, compliant internal structure and a lightweight actuation system.
Murugan, Senthil +2 more
openaire +3 more sources
Wing Leading Edge Concepts for Noise Reduction [PDF]
, 2010 This study focuses on the development of wing leading edge concepts for noise reduction during high-lift operations, without compromising landing stall speeds, stall characteristics or cruise performance.
Pitera, David M. +2 more
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Study of efficient fluid-structure interaction analysis for morphing wing with corrugated structures
Nihon Kikai Gakkai ronbunshu, 2019 Morphing wings, which control the flight by changing their own shapes, have attracted much attention by their potential for improving aerodynamic performance. Corrugated structures, which have flexibility in the corrugation direction and high rigidity in
Kensuke SONEDA +2 more
doaj +1 more source
On the effect of low blowing ratio continuous jets on wingtip vortex characteristics [PDF]
, 2018 Vortices are an unavoidable effect of flight, which appear behind the wing with a bounded length. The strength of these vortices, which are extremely stable, is due to the lift force [1].
Blanco-Rodríguez, Francisco José +3 more
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