Bifurcation structure of viscous vortex breakdown

E. Vyazmina 1 J.W. Nichols 1 Jean-Marc Chomaz 1 Peter Schmid 1
1 LadHyX - Laboratoire d'hydrodynamique
Abstract : Incompressible axisymmetric swirling flow with open boundaries is studied by means of direct numerical simulation (DNS). The effects of viscosity and external axial pressure gradient near critical swirl number are investigated. The solution branches obtained from DNS match the bifurcation diagrams from previous theoretical and numerical studies and extend their results.
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Communication dans un congrès
5th AIAA Theoretical Fluid Mechanics Conference, Jun 2008, Seattle, United States. American Institute of Aeronautics and Astronautics, pp.AIAA 2008-3797, 2008, 〈10.2514/6.2008-3797〉
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https://hal-polytechnique.archives-ouvertes.fr/hal-01026003
Contributeur : Denis Roura <>
Soumis le : lundi 21 juillet 2014 - 15:44:18
Dernière modification le : mercredi 23 janvier 2019 - 10:29:01

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E. Vyazmina, J.W. Nichols, Jean-Marc Chomaz, Peter Schmid. Bifurcation structure of viscous vortex breakdown. 5th AIAA Theoretical Fluid Mechanics Conference, Jun 2008, Seattle, United States. American Institute of Aeronautics and Astronautics, pp.AIAA 2008-3797, 2008, 〈10.2514/6.2008-3797〉. 〈hal-01026003〉

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