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Abel Arredondo-Galeana, Aristides Kiprakis and Ignazio Maria Viola
Active surface morphing is a nonintrusive flow control technique that can delay separation in laminar and turbulent boundary layers. Most of the experimental studies of such control strategy have been carried out in wind tunnels at low Reynolds numbers w...
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Antonio Chiariello, Salvatore Orlando, Pasquale Vitale, Mauro Linari, Raffaele Longobardi and Luigi Di Palma
In the framework of fast rotorcraft, smoothness and flushness of external aerodynamic surfaces present challenges for high-speed conditions, where aerodynamics is the driver of helicopter performance. For AIRBUS-RACER helicopter the main landing gear tra...
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Yavuz Yaman, Ilhan Ozan Tunçöz, Yosheph Yang, Pinar Arslan, Ugur Kalkan, Harun Tiras, Ercan Gürses, Melin Sahin and Serkan Özgen
The idea of morphing is drawing extensive attention in aerospace technologies. Several different approaches like span, camber, twist, and sweep are finding applications. In this work, the concept of a trailing edge control surface which is capable of per...
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Yavuz Yaman, Ilhan Ozan Tunçöz, Yosheph Yang, Pinar Arslan, Ugur Kalkan, Harun Tiras, Ercan Gürses, Melin Sahin and Serkan Özgen
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Diego Villa, Francesco Furcas, Jan Oscar Pralits, Giuliano Vernengo and Stefano Gaggero
A method for the morphing of surface/volume meshes suitable to be used in hydrodynamic shape optimization is proposed. Built in the OpenFOAM environment, it relies on a Laplace equation that propagates the modifications of the surface boundaries, realize...
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Dean Ninian and Sam M. Dakka
The design and development of morphing (shape shifting) aircraft wings?an innovative technology that has the potential to increase the aerodynamic efficiency and reduce noise signatures of aircrafts?was carried out. This research was focused on reducing ...
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Dean Ninian and Sam M. Dakka
The design and development of morphing (shape shifting) aircraft wings?an innovative technology that has the potential to increase the aerodynamic efficiency and reduce noise signatures of aircrafts?was carried out. This research was focused on reducing ...
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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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Behzad Amirsalari and Joana Rocha
Airflow-induced noise prediction and reduction is one of the priorities for both the energy and aviation industries. This review paper provides valuable insights into flow-induced noise computation, prediction, and optimization methods with state-of-the-...
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Francesco Nicassio and Gennaro Scarselli
Morphing structures suitable for unmanned aerial vehicles (UAVs) have been investigated for several years. This paper presents a novel lightweight, morphing concept based on the exploitation of the ?lever effect? of a bistable composite plate that can be...
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Victor Hugo da Motta Paca, Everaldo Barreiros de Souza, Joaquim Carlos Barbosa Queiroz and Gonzalo E. Espinoza-Dávalos
The aim of this study was to assess precipitation (P) and actual evapotranspiration (ET) by analyzing data from in situ stations compared with remote sensing products. Climate Hazards Center InfraRed Precipitation (CHIRP) and Climate Prediction Center mo...
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Xu Huang, Yuan Zhang, Jiarun Liu, Honghao Zhong, Zhaolei Wang and Yue Peng
A data-driven nonlinear control approach, called error dynamics-based dual heuristic dynamic programming (ED-DHP), is proposed for air vehicle attitude control. To solve the optimal tracking control problem, the augmented system is defined by the derived...
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Liqi Zhang and Yonghui Zhao
Advanced rotational variable-swept missile wings require the ability to rapidly deploy, retract and reach the designated position. Therefore, the establishment of an effective time-varying aeroelastic model of a rotating missile wing is the prerequisite ...
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Ángel Antonio Rodríguez-Sevillano, María Jesús Casati-Calzada, Rafael Bardera-Mora, Javier Nieto-Centenero, Juan Carlos Matías-García and Estela Barroso-Barderas
This paper shows a series of tools that help in the research of morphing micro air vehicles (MAVs). These tools are aimed at generating parametric CAD models of wings in a few seconds that can be used in aerodynamic studies, either via CFD directly using...
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Robert Valldosera Martinez, Frederico Afonso and Fernando Lau
In order to decrease the emitted airframe noise by a two-dimensional high-lift configuration during take-off and landing performance, a morphing airfoil has been designed through a shape design optimisation procedure starting from a baseline airfoil (NLR...
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Sijia Jia, Zhenkai Zhang, Haibo Zhang, Chen Song and Chao Yang
This paper introduces the realization and wind tunnel testing of a novel variable camber wing equipped with compliant morphing trailing edges. Based on the aerodynamic shape and compliant mechanisms that were optimized in advance, a wind tunnel model cal...
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Xiaoming Wang, Xinhan Hu, Chengbin Huang and Wenya Zhou
The mission performance of future advanced aerospace structures can be synthetically improved via active shape control utilizing piezoelectric materials. Multiple work modes are required. Bending/twisting mode control receives special attention for many ...
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Peter L. Bishay and Christian Aguilar
Although the benefits of morphing wings have been proven in many studies in the last few decades, the wing skin design remains one of the challenges to advancing and implementing the morphing technology. This is due to the conflicting design requirements...
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Fadi Mishriky and Paul Walsh
Over the last decade, aircraft morphing technology has drawn a lot of attention in the aerospace community, because it is likely to improve the aerodynamic performance and the versatility of aircraft at different flight regimes. With the fast paced advan...
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