Physical mechanisms of lift enhancement for flexible delta wings


Vardaki, E., Gursul, I. and Taylor, G. S., 2005. Physical mechanisms of lift enhancement for flexible delta wings. In: 43rd AIAA Aerospace Sciences Meeting and Exhibit, 2005-01-01.

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Passive lift enhancement for flexible nonslender delta wings has been demonstrated as a potential method for the control of vortex-dominated wing flows. Physical mechanisms of lift enhancement and the effect of important variables are discussed. Lift enhancement for flexible wings with low/moderate sweep is a very complex phenomenon, involving self-induced antisymmetric vibrations of leading edges, spanwise camber effect due to the large time-averaged deflection, shear layer instabilities, reattachment, increased mean vorticity flux and circulation, re-formation of the leading edge vortices, possible enhancement of streamwise pressure gradient, and the effects of frequency and edge velocity.


Item Type Conference or Workshop Items (Paper)
CreatorsVardaki, E., Gursul, I. and Taylor, G. S.
Uncontrolled Keywordsvibrations (mechanical),pressure effects,wings,flow of fluids,vortex flow,natural frequencies,lift
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
ID Code1973


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