A flight test was undertaken at NASA Langley Research Center with vapor-screen and image-enhancement techniques to obtain qualitative and quantitative information about near-field vortex flows above the wings of fighter aircraft. In particular, the effects of Reynolds and Mach numbers on the vortex system over an angle-of-attack range were sought. The relevance of these flows stems from their present and future use at many points in the flight envelope, especially during transonic maneuvers. The aircraft used in this flight program was the F-106B because it was available and had sufficient wing sweep (60 deg) to generate a significant leading-edge vortex system. The sensitivity of the visual results to vapor screen hardware and to onset flow changes is discussed.


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    Titel :

    Sensitivity of F-106B Leading-Edge-Vortex Images to Flight and Vapor-Screen Parameters


    Beteiligte:

    Erscheinungsdatum :

    01.06.1988


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :



    In-flight flow visualization of F-106B leading-edge vortex using the vapor-screen technique

    Lamar, J. E. / Bruce, R. A. / Pride, J. D., Jr. et al. | NTRS | 1988


    In-flight flow visualization of F-106B leading-edge vortex using the vapor-screen technique

    Lamar, J. E. / Bruce, R. A. / Pride, J. D., Jr. et al. | NTRS | 1986


    Errata: In-Flight Flow Visualization of F-106B Leading-Edge Vortex Using the Vapor-Screen Technique

    J. E. Lamar / R. A. Bruce / J. D. Pride J R. H. Smith et al. | AIAA | 1988