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2003•41st Aerospace Sciences Meeting and ExhibitRequires access

Wing-Tip-To-Wing-Tip Aerodynamic Interference

Pavlos P. Vlachos, Demetri Telioinis

Open publisher page 4 citations

Abstract

The aerodynamic interaction of finite wings flying in very close proximity is investigated experimentally. Docked wings are also examined. Tests were carried out in a water tunnel and Particle Image Velocimetry (PIV) was employed to generate velocity data along Trefftz planes. The results indicate that vortex lines “jump”, or reconnect from one wing tip to the next, even in cases of some physical separation. These data can be used to calculate lift and drag and our calculations indicate significant reductions in drag.

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What this paper is about

The aerodynamic interaction of finite wings flying in very close proximity is investigated experimentally. Docked wings are also examined. Tests were carried out in a water tunnel and Particle Image Velocimetry (PIV) was employed to generate velocity data along Trefftz planes. The results indicate that vortex lines “jump”, or reconnect from one wing tip to the next, even in cases of some physical separation. These data can be used to calculate lift and drag and our calculations indicate significant reductions in drag.

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OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The aerodynamic interaction of finite wings flying in very close proximity is investigated experimentally. Docked wings are also examined. Tests were carried out in a water tunnel and Particle Image Velocimetry (PIV) was employed to generate velocity data along Trefftz planes. The results indicate that vortex lines “jump”, or reconnect from one wing tip to the next, even in cases of some physical separation. These data can be used to calculate lift and drag and our calculations indicate significant reductions in drag.

Key concepts: Wingtip vortices, Wing, Lift-induced drag, Aerodynamics, Drag, Vortex, Lift-to-drag ratio, Particle image velocimetry

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