This paper presents experimental data taken in the forward region of a separated internal free-shear layer produced in an internal cavity flowfield. It has been found that in the region very near the forward restrictor, experimental velocity profiles agree closely with the exact Stuart instability velocity profile with various values of a steepness parameter. Reynolds shear-stress profiles suggest the presence of counter-rotating longitudinal vortices. Spectral analysis by the maximum entropy method of the time samples within the vortices indicates subharmonic and harmonic components of the fundamental frequency, with a weak indication of the fundamental frequency itself.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Unstable vortices in the near region of an internal flow cavity


    Beteiligte:
    Isaacson, L. K. (Autor:in) / Denison, M. K. (Autor:in) / Crepeau, J. C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1989-12-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Unstable vortices in the near region of an internal flow cavity

    ISAACSON, L. K. / DENISON, M. K. / Utah, University et al. | AIAA | 1989




    Forced vortices near a wall

    VIETS, H. / BALL, M. | AIAA | 1981


    Behavior of wake vortices near ground

    Corjon, A. / Poinsot, T. | Tema Archiv | 1997