A subsonic-to-transonic speed wind tunnel study has been conducted to deepen understanding of the nature and possibilities for control of vortical flows associated with wing leading edge extensions (LEXs) on the F/A-18 aircraft; these vortical phenomena encompass vortex breakdown and vortex interactions with vertical stabilizers. Wind tunnel results were correlated with in-flight flow visualizations as well as handling-qualities trend data from a USN F-18 with LEX fences to improve the vertical tail buffet environment. Attention is given to the sensitivity of the vortex flows to Re and Mach numbers, reduced vertical tail excitation due to the presence of a LEX fence, and the interpretation of off-body flow visualizations.


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    Titel :

    Experimental investigation of the F/A-18 vortex flows at subsonic through transonic speeds


    Beteiligte:

    Kongress:

    AIAA Applied Aerodynamics Conference ; 1989 ; Seattle, WA, United States


    Erscheinungsdatum :

    01.01.1989


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Experimental investigation of the F/A-18 vortex flows at subsonic through transonic speeds

    ERICKSON, GARY / HALL, ROBERT / BANKS, DANIEL et al. | AIAA | 1989



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    Klineberg, J. M. / Steger, J. L. | NTRS | 1973


    Multiple vortex and shock interactions at subsonic, transonic, and supersonic speeds

    Erickson, Gary E. / Schreiner, John A. / Rogers, Lawrence W. | NTRS | 1990


    Multiple vortex and shock interactions at subsonic, transonic, and supersonic speeds

    ERICKSON, GARY / SCHREINER, JOHN / ROGERS, LAWRENCE | AIAA | 1990