Forty-six different fins, which were members of twelve plan-form families, were tested. A two dimensional Boeing single element airfoil at an angle of attack of eight degrees and a sweepback angle of thirty-two was used to simulate a portion of the wing of a generator aircraft. Various free stream velocities were used to test any individual fin at its particular angle of attack. While the fin itself was mounted on the upper surface of the generator model, the angle of attack of each fin was varied until stall was reached and/or passed. The relative fin vortex strengths were measured in two ways. First, the maximum angular velocity of a four blade rotor placed in the fin vortex center was measured with the use of a stroboscope. Second, the maximum rolling moment on a following wing model placed in the fin vortex center was measured by a force balance.


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    Titel :

    Experimental investigation of vortices shed by various wing fin configurations


    Beteiligte:
    Iversen, J. (Autor:in) / Moghadam, M. (Autor:in)

    Erscheinungsdatum :

    1981-01-01


    Medientyp :

    Hochschulschrift


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :