The time-dependent and time-averaged properties of a wing-body junction flow formed around a cylindrical wing with a 1.5:1 elliptical nose and a NACA 0020 tail are being studied. In this paper measurements made with a 3-component laser doppler anemometer in the plane of symmetry immediately upstream of the wing are presented and discussed. These measurementts have been used to estimate the production and advection terms of the turbulence kinetic energy equation. In the plane of symmetry the time-mean flow is dominated by an intense junction vortex. Histograms of velocity fluctuations measured near the upstream end of this vortex are bimodal (double-peaked), implying the presence of a coherent junction structure in the instantaneous flow.


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    Titel :

    Turbulence structure near the nose of a wing-body junction


    Weitere Titelangaben:

    Turbulenverteilung in der Naehe der Verbindung zwischen Tragfluegel und Rumpf


    Beteiligte:
    Devenpport, W.J. (Autor:in) / Simpson, R.L. (Autor:in)

    Erschienen in:

    AIAA-Papers ; Jun ; 1-14


    Erscheinungsdatum :

    1987


    Format / Umfang :

    14 Seiten, 15 Bilder, 1 Tabelle, 19 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Turbulence structure near the nose of a wing-body junction

    DEVENPORT, WILLIAM / SIMPSON, ROGER | AIAA | 1987


    Flow past a wing-body junction - Experimental evaluation of turbulence models

    DEVENPORT, WILLIAM J. / SIMPSON, ROGER L. | AIAA | 1992



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