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 horizontal while the angle of attack is in respect to the relative airflow. It is referred to also as alpha (α).Angle of attack is the angle between the wing chord plane and the relative air flow.
Aviation dictionary. 2014.
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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 — 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 — 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 — noun 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 … Wiktionary
angle of attack — Date: 1908 the acute angle between the direction of the relative wind and the chord of an airfoil … New Collegiate Dictionary
angle of attack — direction from which an assault is made; acute angle between the direction of the wind and the chord of an airfoil, AOA … English contemporary dictionary