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10 items by relevance
1 Conference paper

Parametric approximation of airfoil aerodynamic coefficients at high angles of attack

Skrzypinski, Witold Robert; Zahle, Frederik; Bak, Christian

Proceedings of Ewea 2014 — 2014

Three methods for estimating the lift and drag curves in the 360° angle of attack (α) range with harmonic approximation functions were analyzed in the present work. The first method assumes aerodynamic response of a flat plate, the second utilizes even sine and even cosine approximation functions

Year: 2014

Language: English

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2 Conference paper

Parametric approximation of airfoil aerodynamic coefficients at high angles of attack

Skrzypinski, Witold Robert; Zahle, Frederik; Bak, Christian

Three methods for estimating the Cl and Cd curves at high AOAs were analyzed in this work. A method utilizing even sine and cosine functions was further developed. It was determined that between 160°and -160°AOA, the aerodynamic coefficients may be obtained with computationally inexpensive steady 2

Year: 2014

Language: English

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