University of North Texas Digital Library (University of North Texas) · 1936 · 359 citations · 0 references
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EngineeringAerospace EngineeringMechanical EngineeringAerodynamicsFluid DynamicsPropulsionAerodynamic DesignAirfoil TheoryPropulsion SystemsWing AerodynamicsWing TheoryAirfoil AerodynamicsDrag ForceFlapping FlightFlapping Wing AerodynamicsFlapping Wing KinematicsOscillating AirfoilsTorsional OscillationsWing Flapping
Formulas are given for the propelling or drag force experience in a uniform air stream by an airfoil or an airfoil-aileron combination, oscillating in any of three degrees of freedom; vertical flapping, torsional oscillations about a fixed axis parallel to the span, and angular oscillations of the aileron about a hinge.