The large, low speed wind tunnel at NASA-Ames has been used to study the characteristics of lift-generated vortices involved in the definition of aircraft-separation criteria, in order to enhance airport capacity without compromising safety. Attention is given to the potential hazard caused by the vortex wake of several configurations of a subsonic transport. Measured downwash distributions in the wake of three different wake-generator configurations are obtained by means of a vortex-lattice method, in order to predict the lift and rolling moment on several models of wake-following aircraft.


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    Title :

    Measurements in 80- by 120-foot wind tunnel of hazard posed by lift-generated wakes


    Contributors:
    Rossow, V. J. (author) / Sacco, J. N. (author) / Askins, P. A. (author) / Bisbee, L. S. (author) / Smith, S. M. (author)


    Publication date :

    1993-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





    Wind-tunnel measurements of hazard posed by lift-generated wakes

    Rossow, V. J. / Sacco, J. N. / Askins, P. A. et al. | AIAA | 1995



    Measurements in 80- by 120-foot wind tunnel of hazard posed by lift-generated wakes

    ROSSOW, V. / SACCO, J. / ASKINS, P. et al. | AIAA | 1993


    Wind-tunnel measurements in the wakes of structures

    Woo, H. G. C. / Peterka, J. A. / Cermak, J. E. | TIBKAT | 1977