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    Plasma flow control: Fundamentals, modeling and applications article pay-per-view 25€/article

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    Advances in aero-thermodynamics, aero-elasticity and aero-acoustics largely depend on the understanding of the flow structures, and the ability to control them. The first lecture note reviews the various approaches that are being followed for plasma flow control. The fundamental interaction mechanisms are presented together with the challenges associated to their implementation depending on the flow regime. A presentation on the mechanisms for the generation of momentum transfer using offset dielectric barrier discharges follows, focusing on the physics of the breakdown formation. The next lecture note addresses phenomenological models that can be used in conjunction with CFD codes, from simple algebraic equations to complex set of partial difference equations. The first part is concluded with the use of DBD actuators in various applications for internal and external flow control, over a range of Mach numbers from 0.1 to 3.5, in a wide static pressure range from 0.1 to 9 bar.

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    Recent developments in unmanned aircraft systems (UAS, including UAV and MAV) article pay-per-view 25€/article

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    Although initially unmanned aerial vehicles were accepted only very slowly by the military, in the 1990’s they brought a real revolution in military operations. Presently they are considered as a standard tool in military thinking. Cross fertilization between defence forces and industry has paved the way to civil applications of UAVs. Being aware of this evolution, in collaboration with the RTO (NATO Research and Technology Organization,) VKI has organized in 1999 and 2003 two VKI-RTO Lecture Series on Unmanned Air Vehicles. Now UAVs have reached a high level of reliability, it is time to think of civil applications of Unmanned Aircraft Systems (UAS). This new denomination makes it clear that a UAS is more than only the flying component. The current Lecture Series proceedings include therefore contributions on all aspects dealing with the design, manufacturing, control and operating Unmanned Aerial Systems and its sensors.

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    Advances in aero-acoustics and Thermo-acoustics article pay-per-view 25€/article

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    The accurate modeling of the stability properties of energy transport and conversion processes, such as pipelines, gas turbines, industrial heaters or domestic heating systems, is facing aero-acoustical and thermo-acoustical issues hindering their economic sustainability. The aim of this EU sponsored course notes (Marie-Curie Research Training Network AETHER) is to present the state-of-the-art review in this multi-disciplinary engineering field of aero- and thermo-acoustical coupling in energy conversion processes, in a form accessible to both researchers and industrial engineers.

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    Effect of system rotation on turbulence with applications to turbomachinery article pay-per-view 25€/article

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    Advances in aero-thermodynamics, aero-elasticity and aero-acoustics largely depend on the understanding of the flow structures, and the ability to control them. The first lecture note reviews the various approaches that are being followed for plasma flow control. The fundamental interaction mechanisms are presented together with the challenges associated to their implementation depending on the flow regime. A presentation on the mechanisms for the generation of momentum transfer using offset dielectric barrier discharges follows, focusing on the physics of the breakdown formation. The next lecture note addresses phenomenological models that can be used in conjunction with CFD codes, from simple algebraic equations to complex set of partial difference equations. The first part is concluded with the use of DBD actuators in various applications for internal and extemal flow control, over a range of Mach numbers from 0.1 to 3.5, in a wide static pressure range from 0.1 to 9 bar. The second part of the proceedings starts with the analysis of the goveming equations of glow discharges in supersonic and hypersonic flows. The estimations of characteristics time scales in high speed flow highlight the influence of gas motion on the electro-dynamic structure. The second course note demonstrates successful plasma applications in the lab at high speed, for drag reduction, plasma-induced generation of shock waves, and artificial flow separation. The third lecture note describes recent experimental and computational research in identifying and modeling the gasdynamic and therrnochemical processes of the plasmoid generation with micro—wave and laser discharge.

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    Introduction to optimization and multidisciplinary design in aeronautics and turbomachinery article pay-per-view 25€/article

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    Innovative optimization and design techniques for modern aircraft (manned or UAV/UCAV) and engine systems aiming at maximum performance in a multidisciplinary context (aerodynamic efficiency, safety, drag, losses, weight, strength, heat fluxes, emission, noise, …), are now rapidly moving from research labs to industrial real and virtual platforms. To reach concurrently this level of excellence, emergent optimization methodologies require more and more robust and efficient associated software for a daily use in industrial collaborative design environments.

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    Combustion in aero engines article pay-per-view 25€/article

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    High pressure two-phase air-kerosene reacting flow, with high levels of turbulence and heat transfer submitted to acoustic waves: this is how the flow in an aero engine combustor could be characterized

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    Transport phenomena in electrochemical processes article pay-per-view 25€/article

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    The objective of these Lecture Series proceedings on Transport Phenomena in Electrochemical Systems is to present the state-of-the-art review of on-going activities in electrochemical processes and to outline current research directions.

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    36th CFD/ADIGMA course on HP-adaptive and HP-multigrid methods article pay-per-view 25€/article

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    The present proceedings are the second in a series of two Lecture Series organized in collaboration with the European Union targeted research project ADIGMA. The subject of this project was the development of adaptive higher order variational methods for aerospace applications.

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    High-performance computing of industrial flows article pay-per-view 25€/article

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    The objective of these proceedings is to provide a state of the art of High Performance Computing strategy applied in Computational Fluid Dynamics.

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    Particle image velocimetry: general introduction to the technique article pay-per-view 25€/article

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    Particle Image Velocimetry (PIV) has appeared 25 years ago and since the beginning it has drastically improved in all fields. At the same time this technique becomes became more and more utilized in fluid dynamic laboratories from research institutes and industry and it is used now in a very large range of applications. After its first appearance in the laboratories, the PIV technique has benefited of the progress in the LASER technologies as well as electronic image recording, which considerably enhanced its potential. PIV has also taken advantage of several developments made in the processing algorithms in these two decades. This spectacular evolution has been largely supported through European collaborative projects such as EuroPIV and PivNet.

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