The present comparative study of two different, but complementary flow-visualization techniques, which yield different interpretations of vortex-migration distance and lifetime, gives attention to the difficulty of determining vortex evolution and lifetime from flow-visualization measurements. The techniques involved the release of a fluorescent dye and of neutrally buoyant particles in a water-filled towing tank. Vortices are found to migrate farther, and last longer, when visualized with neutrally buoyant particles rather than with dyes.


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    Titel :

    Measurements and implications of vortex motions using two flow-visualization techniques


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1990-11-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch






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