angle of attack

angle of attack
a) The angle between the chord line of an airfoil and the airflow over it; one of the determiners of the amount of lift produced by an airfoil.
b) The angle between a mid-sail and the direction of the wind.

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  • angle of attack — n. Aeron. the acute angle between the chord of an airfoil and the line of relative air flow …   English World dictionary

  • Angle of attack — In this diagram, the black lines represent the flow of a fluid around a two dimensional airfoil shape. The angle α is the angle of attack. Angle of attack (AOA, α, Greek letter alpha) is a term used in fluid dynamics to describe the angle between …   Wikipedia

  • Angle of attack — Incidence (aérodynamique) Pour les articles homonymes, voir Incidence. Sur ce graphique, les lignes noires représent le flux d air. L aile est présentée en coupe. l angle α est l angle d inc …   Wikipédia en Français

  • angle of attack — The acute angle between the chord line and the relative airflow. Often referred to as an angle of incidence which it is not. The angle of attack should not be confused with the pitch angle or attitude of aircraft, which are angles relative to the …   Aviation dictionary

  • angle of attack — atakos kampas statusas T sritis fizika atitikmenys: angl. angle of attack vok. Angriffswinkel, m; Anstellwinkel, m rus. угол атаки, m pranc. angle d’attaque, m …   Fizikos terminų žodynas

  • angle of attack indicator — An instrument to indicate the angle of attack. Two types of angle of attack indicator …   Aviation dictionary

  • angle of attack — an′gle of attack′ n. aer. the acute angle between the chord of an aircraft wing or other airfoil and the direction of airflow • Etymology: 1905–10 …   From formal English to slang

  • angle of attack — noun the acute angle between the direction of the undisturbed relative wind and the chord of an airfoil • Hypernyms: ↑angle of incidence, ↑incidence angle …   Useful english dictionary

  • angle of attack — 1. Also called, esp. Brit., angle of incidence. Aeron. the acute angle between the chord of an aircraft wing or other airfoil and the direction of the relative wind. 2. Railroads. the angular attitude of a wheel flange to the rail, esp. on curves …   Universalium

  • angle of attack — Date: 1908 the acute angle between the direction of the relative wind and the chord of an airfoil …   New Collegiate Dictionary

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