1993•Unpublished venueRequires access

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

Vernon J. Rossow, Joe Sacco, Paul Askins, L. S. Bisbee, Steven G. Smith

Abstract

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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Key concepts: Lift (data mining), Wind tunnel, Aerospace engineering, Aeronautics, Computer science, Marine engineering, Structural engineering, Engineering