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Keywords: polar curve
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Journal Articles
J Exp Biol (1990) 149 (1): 469–489.
Published: 1 March 1990
... falcon ( Falco jugger ) and a black vulture ( Coragyps atratus ). A single polar curve relating lift coefficients to minimum profile drag coefficients can predict the maximum gliding performance of all three birds when used with a mathematical model for gliding flight 4. The parasite drag values...
Journal Articles
J Exp Biol (1988) 140 (1): 325–344.
Published: 1 November 1988
... that relates minimum sinking speed to air speed. The maximum performance curve can be calculated from the aerodynamic characteristics of the bird (Tucker, 1987). Key words: gliding performance, gliding theory, maximum lift coefficient, ornithodolite, polar curve, sinking speed, soaring, tracking device. 326 V...
Journal Articles
J Exp Biol (1987) 133 (1): 33–58.
Published: 1 November 1987
... wing area to wing span, and (b) a ‘polar curve’ that relates C Dpr and the lift coefficient (C L ) of the wings. For rigid wings, a single polar curve relates CDpr to CL values at a given Reynolds number. The position and shape of the polar curve depend on the aerofoil section of the wing...