On variational principles for coherent vortex structures

B.W. van de Fliert, E. van Groesen

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    Abstract

    Different approaches are discussed of variational principles characterizing coherent vortex structures in two-dimensional flows. Turbulent flows seem to form ordered structures in the large scales of the motion and the self-organization principle predicts asymptotic states realizing an extremal value of the energy or a minimum of enstrophy. On the other hand the small scales take care of the increase of entropy, and asymptotic results can be obtained by applying the theory of equilibrium statistical mechanics.
    Original languageEnglish
    Title of host publicationAdvances in Turbulence IV
    Subtitle of host publicationProceedings of the fourth European Turbulence Conference 30th June – 3rd July 1992
    EditorsF.T.M. Nieuwstadt
    Pages399-403
    Number of pages5
    ISBN (Electronic)978-94-011-1689-3
    DOIs
    Publication statusPublished - 1993
    Event4th European Turbulence Conference, ETC IV 1992 - Delft, Netherlands
    Duration: 30 Jun 19923 Jul 1992
    Conference number: 1992

    Publication series

    NameFluid Mechanics and its Applications
    PublisherKluwer Academic Publishers
    Volume18
    ISSN (Print)0926-5112

    Conference

    Conference4th European Turbulence Conference, ETC IV 1992
    Abbreviated titleETC
    CountryNetherlands
    CityDelft
    Period30/06/923/07/92

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