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  1. Active flow control in high-speed flows - SAMIMY, M.

    Active flow control in high-speed flows - SAMIMY, M.

    €25.00

    Active flow control in high-speed flows - SAMIMY, M. – The Ohio State University, USA - https://doi.org/10.35294/ls201704.samimy1

    in Active flow control: techniques and application, Edited by S. Lavagnoli, VKI LS 2017-04, ISBN-13 978-2-87516-116-1, https://doi.org/10.35294/ls201704

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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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    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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    30th Computational Fluid Dynamics article pay-per-view 25€/article

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    The aim of the annual lecture series in Computational Fluid Dynamics (CFD) is to provide in-depth presentations of established methods and recent advances in numerical flow simulation.

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    Liquid fragmentation in high-speed flow article pay-per-view 25€/article

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    Liquid injection into compressible crossflow has several interesting applications such as fuel injection in supersonic or hypersonic scramjet engines, thrust vector maneuvering of high speed aerial or space vehicles, and film cooling used in the thermal protection systems of space vehicles that experience atmospheric entry. The field involves many disciplines, and it is a complicated multi-phase flow field especially for compressible crossflow cases, with a unique flow topology including shock-shock and shock-boundary layer interactions. High aerodynamic shear forces, fragmentation, penetration and atomization of the liquid jet are important features that deserve detailed analyses.

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    Aero-Engine design: From state-of-the-art Turbofans article pay-per-view 25€/article

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    The first lectures notes focus on the preliminary design of state of the art turbofan engine for the propulsion of civil aircraft. Issues like thermodynamic cycle, mission analysis, and off design operation (operating line) are addressed. Practical examples are presented. Once this important phase is completed, the different design teams have the boundary conditions to start the design of each component.

    VKI LS 2008-03

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  7. Review of the VKI Doctoral research 2013-2014

    Review of the VKI Doctoral Research 2013-2014 - Free download

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    The fifth symposium on the doctoral research of the von Karman Institute for Fluid Dynamics took place during the period March 10 to 12, 2014. The doctoral students have presented the progress of their research work carried out in the three departments: Aeronautics and Aerospace, Environmental and Applied Fluid Dynamics, Turbomachinery and Propulsion. The first year students have presented a poster on their research plans and some preliminary results, while the most advanced students have proposed a presentation followed by a session of questions.

    The articles are downloadable after the checkout.

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  8. Review of the VKI doctoral Research 2010-2011

    Review of the VKI Doctoral Research 2010-2011 - Free download

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    The second Symposium on the doctoral research took place at the von Karman Institute for Fluid Dynamics during the period March 1 to 3, 2011. The doctoral students have presented the progress of their research work carried out in the three departments: Aeronautics and Aerospace, Environmental and Applied Fluid Dynamics, Turbomachinery and Propulsion. Learn More
  9. Laser technology in aerodynamic measurements - article pay-per-view - 25€/article
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