Connection between leading-edge sweep, vortex lift, and vortex strength for delta wings

descriptionPublicationkeyboard_double_arrow_right Article 01 May 1990 English Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:Journal of Aircraft, volume 27, pages 473-475 (issn: 0021-8669, eissn: 1533-3868,

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Authors: Michael J. Hemsch; James M. Luckring;

doi: 10.2514/3.25305

Connection between leading-edge sweep, vortex lift, and vortex strength for delta wings

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Abstract

An effort is made to clarify the effect of leading-edge sweep on the vortex lift and leading-edge vortex strength of a slender wing; while it is often assumed that increasing sweep enhances vortex lift and strength, the opposite is the case. The suction analogy is used in association with numerical and experimental data to derive simple formulas yielding the actual relationship for delta wings. The difference between vortex lift and nonlinear lift is highlighted.

Related Organizations

Langley Research Center
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National Aeronautics and Space Administration
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