Wind-tunnel tests of the T-tail of a wide-body jet airplane were made at Mach numbers up to 1.02. The model consisted of a 1/13-size scaled version of the T-tail, fuselage, and inboard wing of the airplane. Two interchangeable T-tails were tested, one with design stiffness for flutter-clearance studies and one with reduced stiffness for flutter-trend studies. Transonic antisymmetric-flutter boundaries were determined for the models with variations in: (1) fin-spar stiffness, (2) stabilizer dihedral angle (-5 deg and 0 deg), (3) wing and forward-fuselage shape, and (4) nose shape of the fin-stabilizer juncture. A transonic symmetric-flutter boundary and flutter trends were established for variations in stabilizer pitch stiffness. Photographs of the test configurations are shown.


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    Titel :

    Experimental parametric studies of transonic T-tail flutter


    Beteiligte:
    Ruhlin, C. L. (Autor:in) / Sandford, M. C. (Autor:in)

    Erscheinungsdatum :

    1975-12-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Experimental parametric studies of transonic T-trail flutter

    Ruhlin, Charles L. / Sandfort, Maynard C. | TIBKAT | 1975



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