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Effects of airfoil profile on the two-dimensional flutter derivatives for wings oscillating in pitch at high subsonic speeds

John A Wyss, James C Monfort

Abstract

Report presenting a determination of aerodynamic lift and moment flutter derivatives at high subsonic speeds for a series of two-dimensional airfoils varying in thickness and thickness distribution. An evaluation of the results indicated that wing profile and angle of attack have major effects on flutter derivatives at speeds exceeding the Mach number for steady-state lift divergence. Results regarding lift and moment are provided.

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Available abstract

Key concepts: Airfoil, Flutter, Pitching moment, Angle of attack, Wing, Aerodynamics, Lift (data mining), Aerodynamic center