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A Note on the Drag Due to Lift of Rectangular Wings of Low Aspect Ratio

Edward C Polhamus

Abstract

Note presenting some methods of estimating the induced drag of low-aspect-ratio wings, which are discussed and compared with experiments. The profile drag due to lift is also discussed and a method is developed which relates the effect of aspect ratio on the profile drag due to lift to an effective two-dimensional lift coefficient.

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Available abstract

Key concepts: Drag, Vortex lift, Lift-induced drag, Lift-to-drag ratio, Lift (data mining), Aspect ratio (aeronautics), Zero-lift drag coefficient, Drag coefficient