NASA NTRS · 20080005061
Active control of multi-element rotor blade airfoils
Abstract
A multi-element rotor blade includes an individually controllable main element and fixed aerodynamic surface in an aerodynamically efficient location relative to the main element. The main element is controlled to locate the fixed aerodynamic surface in a position to increase lift and/or reduce drag upon the main element at various azimuthal positions during rotation.
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Torok, Michael S., Moffitt, Robert C., Bagai, Ashish. 2005-08-23. Active control of multi-element rotor blade airfoils. https://ntrs.nasa.gov/citations/20080005061
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