A small airfoil is operated in combined harmonic plunging and pitching motions to generate thrust in a still air environment. By full use of dynamic stall vortices, large thrust coefficients were attained. The vortical signature of thrust is a simple vortex street with the character of a jet stream. Keywords: Model tests; Thrust/flow visualization; Hovering/jet flow; Dynamic stalling; Harmonic plunging; Reprints. (edc)
Thrust Generation by an Airfoil in Hover Modes
1990
14 pages
Report
Keine Angabe
Englisch
Aerodynamics , Aeronautics , Airfoils , Hovering , Thrust , Airborne , Coefficients , Dynamics , Flow visualization , Harmonics , Jet flow , Jet streams , Model tests , Pitch(Motion) , Reprints , Signatures , Stalling , Vortices , Vortex streets , Dynamic stalling , Plunging motion , Thrust generation
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