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View article: Structural Analysis and Experimental Tests of a Morphing-Flap Scaled Model
Structural Analysis and Experimental Tests of a Morphing-Flap Scaled Model Open
The implementation of morphing wing mechanisms shows significant potential for improving aircraft performance, as highlighted in the recent literature. The Clean Sky 2 AirGreen 2 European project team is currently performing ground and win…
View article: Structural Analysis and Experimental Tests of a Morphing Flap Scaled Model
Structural Analysis and Experimental Tests of a Morphing Flap Scaled Model Open
The implementation of morphing wing mechanisms holds promise in enhancing aircraft perfor-mance, as indicated in current literature. The Clean Sky 2 AirGreen 2 European project is currently conducting ground and wind tunnel tests to valida…
View article: Structural Analysis of a Large-scale Model for the Wind Tunnel Test of a Multiadaptive Flap
Structural Analysis of a Large-scale Model for the Wind Tunnel Test of a Multiadaptive Flap Open
Innovative studies on morphing wing structures with the highest potential to improve aerodynamic performance on large aircraft are running under the CleanSky2 platform to validate the morphing architectures on true-scale demonstrator throu…
View article: Design of a large-scale model for wind tunnel test of a multiadaptive flap concept
Design of a large-scale model for wind tunnel test of a multiadaptive flap concept Open
The design and application of morphing systems are ongoing issues compelling the aviation industry. The Clean Sky - program represents the most significant aeronautical research ever launched in Europe on advanced technologies for greening…
View article: Aerodynamic optimization of an adaptive flap for next-generation green aircraft
Aerodynamic optimization of an adaptive flap for next-generation green aircraft Open
Adaptive, morphing flaps are taking ever-increasing attention in civil aviation thanks to the expected benefits this technology can bring at the aircraft level in terms of high-lift performance improvement and related fuel burnt reduction …
View article: Magneto-Rheological Fluids
Magneto-Rheological Fluids Open
Magneto-rheological fluids, or MRF, have been known for a long time in the technological and scientific community [...]
View article: Airfoil Shape Morphing through a Novel Parameterization and Fitting Optimization Method Based on Uniform Non-Rational B-Spline Functions
Airfoil Shape Morphing through a Novel Parameterization and Fitting Optimization Method Based on Uniform Non-Rational B-Spline Functions Open
The aim of this work is to implement an innovative parameterization and fitting procedure for the definition of a mathematical model useful to describe a wide range of airfoils. They are partitioned into three sections: central box, leadin…
View article: A Preliminary Technology Readiness Assessment of Morphing Technology Applied to Case Studies
A Preliminary Technology Readiness Assessment of Morphing Technology Applied to Case Studies Open
In an innovative system, it is essential to keep under control the crucial development phases, which should consider several aspects involving, for instance, the modeling or the assessment of suitable analytical representations. Aiming to …
View article: A Practical Approach for the Mitigation of Seismic-Induced Vibrations in Slender Metallic Structures through Magnetorheological Fluid Dampers
A Practical Approach for the Mitigation of Seismic-Induced Vibrations in Slender Metallic Structures through Magnetorheological Fluid Dampers Open
The mitigation of seismic-induced vibrations is essential for the effective protection of buildings and occupants during earthquakes. This especially applies to slender buildings with metallic frames; in this case, the structure’s geometri…
View article: Status and Perspectives of Commercial Aircraft Morphing
Status and Perspectives of Commercial Aircraft Morphing Open
In a previous paper, the authors dealt with the current showstoppers that inhibit commercial applicability of morphing systems. In this work, the authors express a critical vision of the current status of the proposed architectures and the…
View article: Morphing Wing Technologies within the Airgreen 2 Project
Morphing Wing Technologies within the Airgreen 2 Project Open
This paper summarizes the results of the design study and provides a description of three morphing wing devices developed for a turboprop regional aircraft in the framework of the Clean Sky 2 REG-IADP Airgreen 2 project. In sinergy with a …
View article: Status and Perspectives of Commercial Aircraft Morphing
Status and Perspectives of Commercial Aircraft Morphing Open
In a previous paper, the authors dealt with the current showstoppers for morphing systems and with the reasons that have inhibited their commercial applicability. In this work, the authors ex-press a critical vision of the current status o…
View article: A Rational Numerical Method for Simulation of Drop-Impact Dynamics of Oleo-Pneumatic Landing Gear
A Rational Numerical Method for Simulation of Drop-Impact Dynamics of Oleo-Pneumatic Landing Gear Open
Oleo-pneumatic landing gear is a complex mechanical system conceived to efficiently absorb and dissipate an aircraft’s kinetic energy at touchdown, thus reducing the impact load and acceleration transmitted to the airframe. Due to its sign…
View article: Integrated Design of a Morphing Winglet for Active Load Control and Alleviation of Turboprop Regional Aircraft
Integrated Design of a Morphing Winglet for Active Load Control and Alleviation of Turboprop Regional Aircraft Open
Aircraft winglets are well-established devices that improve aircraft fuel efficiency by enabling a higher lift over drag ratios and lower induced drag. Retrofitting winglets to existing aircraft also increases aircraft payload/range by the…
View article: Adaptive Structures and Biomimetic Robots – A Perspective
Adaptive Structures and Biomimetic Robots – A Perspective Open
This paper gives an overview of some recent full-scale demonstrations of morphing devices capable of providing innovative capabilities to general systems in changing shape and improving performance significantly during operations. In aeron…
View article: SARISTU: Adaptive Trailing Edge Device (ATED) design process review
SARISTU: Adaptive Trailing Edge Device (ATED) design process review Open
SARISTU was a big cooperation project granted by the European Commission, 7th Framework Programme, carried out between 2011 and 2015. It dealt with smart aeronautic structures, both morphing and sensored; its main target was to demonstrate…
View article: Aeroelastic Assessments and Functional Hazard Analysis of a Regional Aircraft Equipped with Morphing Winglets
Aeroelastic Assessments and Functional Hazard Analysis of a Regional Aircraft Equipped with Morphing Winglets Open
The application of morphing wing devices can bring several benefits in terms of aircraft performance, as the current literature shows. Within the scope of Clean Sky 2 AirGreen 2 European project, the authors provided a safety-driven design…
View article: Static and Dynamic Performance of a Morphing Trailing Edge Concept with High-Damping Elastomeric Skin
Static and Dynamic Performance of a Morphing Trailing Edge Concept with High-Damping Elastomeric Skin Open
Nature has many striking examples of adaptive structures: the emulation of birds’ flight is the true challenge of a morphing wing. The integration of increasingly innovative technologies, such as reliable kinematic mechanisms, embedded ser…
View article: Electro-Actuation System Strategy for a Morphing Flap
Electro-Actuation System Strategy for a Morphing Flap Open
Within the framework of the Clean Sky-JTI (Joint Technology Initiative) project, the design and technological demonstration of a novel wing flap architecture were addressed. Research activities were carried out to substantiate the feasibil…
View article: Exploitation of a Multifunctional Twistable Wing Trailing-Edge for Performance Improvement of a Turboprop 90-Seats Regional Aircraft
Exploitation of a Multifunctional Twistable Wing Trailing-Edge for Performance Improvement of a Turboprop 90-Seats Regional Aircraft Open
Modern transport aircraft wings have reached near-peak levels of energy-efficiency and there is still margin for further relevant improvements. A promising strategy for improving aircraft efficiency is to change the shape of the aircraft w…
View article: Numerical and experimental transition results evaluation for a morphing wing and aileron system
Numerical and experimental transition results evaluation for a morphing wing and aileron system Open
A new wing-tip concept with morphing upper surface and interchangeable conventional and morphing ailerons was designed, manufactured, bench and wind-tunnel tested. The development of this wing-tip model was performed in the frame of an int…
View article: Skin-Spar Failure Detection of a Composite Winglet Using FBG Sensors
Skin-Spar Failure Detection of a Composite Winglet Using FBG Sensors Open
Winglets are introduced into modern aircraft to reduce wing aerodynamic drag and to consequently optimize the fuel burn per mission. In order to be aerodynamically effective, these devices are installed at the wing tip section; this wing r…
View article: Preliminary design of an adaptive aileron for next generation regional aircraft
Preliminary design of an adaptive aileron for next generation regional aircraft Open
Design of morphing wings at increasing TRL is common to several research programs worl-dwide. They are focused on the improvement of their performance that can be expressed in several ways, indeed: aerodynamic efficiency optimization, fuel…
View article: A Sensitivity Analysis on the Influence of the External Constraints on the Dynamic Behaviour of a Low Pollutant Emissions Aircraft Combustor-Rig
A Sensitivity Analysis on the Influence of the External Constraints on the Dynamic Behaviour of a Low Pollutant Emissions Aircraft Combustor-Rig Open
The need to reduce pollutant emissions leads the engineers to design new aeronautic combustors characterized by lean burn at relatively low temperatures. This requirement can easily cause flame instability phenomena and consequent pressure…
View article: AN ADAPTIVE TRAILING EDGE FOR LARGE COMMERCIAL AIRCRAFT
AN ADAPTIVE TRAILING EDGE FOR LARGE COMMERCIAL AIRCRAFT Open
This paper deals with the design of an adaptive trailing edge aimed at increasing the range capacity of a large commercial aircraft.Moving from the requisites, a brief discussion about the expected performance will be introduced together w…