Studies of Vortex Dominated Flows (eBook, PDF)

Proceedings of the Symposium on Vortex Dominated Flows Held July 9-11, 1985, at NASA Langley Research Center, Hampton, Virginia
Redaktion: Hussaini, M. Y.; Salas, M. D.

• Format: PDF

Produktbeschreibung

From the astrophysical scale of a swirling spiral galaxy, through the geophysical scale of a hurricane, down to the subatomic scale of elementary particles, vortical motion and vortex dynamics have played a profound role in our understanding of the physical world. Kuchemann referred to vortex dynamics as "the sinews and muscles of fluid motion. " In order to update our understanding of vortex dominated flows, NASA Langley Research Center and the Institute for Computer Applications in Science and Engineering (ICASE) conducted a workshop during July 9-11, 1985. The subject was broadly divided into five overlapping topics vortex dynamics, vortex breakdown, massive separation, vortex shedding from sharp leading edges and conically separated flows. Some of the experts in each of these areas were invited to provide an overview of the subject. This volume is the proceedings of the workshop and contains the latest, theoretical, numerical, and experimental work in the above-mentioned areas. Leibovich, Widnall, Moore and Sirovich discussed topics on the fundamentals of vortex dynamics, while Keller and Hafez treated the problem of vortex break down phenomena; the contributions of Smith, Davis and LeBalleur were in the area of massive separation and inviscid-viscous interactions, while those of Cheng, Hoeijmakers and Munnan dealt with sharp-leading-edge vortex flows; and Fiddes and Marconi represented the category of conical separated flows.

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Produktdetails

• Verlag: Springer New York
• Seitenzahl: 364
• Erscheinungstermin: 29. Juni 2013
• Englisch
• ISBN-13: 9781461246787
• Artikelnr.: 43993334

Inhaltsangabe

Contributors.- Section I Vortex Dynamics.- Waves and Bifurcations in Vortex Filaments.- Review of Three-Dimensional Vortex Dynamics: Implications for the Computation of Separated and Turbulent Flows.- A Ring-Vortex Representation of an Axi-Symmetric Vortex Sheet.- Comparison of Experiment with the Dynamics of the von Karman Vortex Trail.- Section II Vortex Breakdown.- Force- and Loss-Free Transitions Between Vortex Flow States.- Vortex Breakdown Simulation Based on a Nonlinear Inviscid Model.- Section III Massive Separation.- Theory of High-Reynolds-Number Flow Past a Blunt Body.- Progress on the Calculation of Large-Scale Separation at High Reynolds Numbers.- Viscous-Inviscid Interaction Solvers and Computation of Highly Separated Flows.- Section IV Vortex Shedding From Sharp Leading Edges.- Simulation Studies of Vortex Dynamics of a Leading Edge Flap.- Methods for Numerical Simulation of Leading Edge Vortex Flow.- Comparison of Measured and Computed Pitot Pressures In a Leading Edge Vortex From a Delta Wing.- Section V Conically Separated Flows.- Separated Flow About Cones at Incidence-Theory and Experiment.- On the Prediction of Highly Vortical Flows Using an Euler Equation Model.