angle-of-attack
41attack angle — The angle of the rear spoiler where it is most effective against lift …
42Bürgi-Dunitz angle — The Bürgi Dunitz angle describes the angle of attack of a nucleophile at a carbonyl center. The angle was named after H. B. Bürgi and J.D. Dunitz, its principal investigators. The Bürgi Dunitz angle depends not upon the nature of the nucleophile… …
43critical angle — 1. Optics. the minimum angle of incidence beyond which total internal reflection occurs for light traveling from a medium of higher to one of lower index of refraction; the angle of incidence for which refracted rays emerge tangent to the surface …
44critical angle — i. The minimum angle of incidence at which a radio wave of a particular frequency can strike the ionosphere and still be reflected back to the earth. Critical angle is a function of frequency; the higher the frequency, the larger the critical… …
45Critical angle — can refer to: Critical angle (optics) the angle of incidence above which total internal reflection occurs Critical angle of attack, in aerodynamics; the angle of attack which produces the maximum lift coefficient Critical angle of repose, in… …
46stalling angle — The angle of attack at which the flow of air over the wing begins to separate from the wing surface, resulting in a significant reduction in the lift and an increase in the drag. The lift coefficient of an airfoil is maximum at this angle and… …
47stalling angle — /ˈstɔlɪŋ ˌæŋgəl/ (say stawling .angguhl) noun Aeronautics the angle of attack providing maximum lift for an aircraft; below this angle the airflow becomes turbulent, leading to an abrupt loss of lift. See angle of attack. Also, stall angle …
48incidence angle — noun the angle that a line makes with a line perpendicular to the surface at the point of incidence • Syn: ↑angle of incidence • Hypernyms: ↑angle • Hyponyms: ↑angle of attack, ↑critical angle …
49Sideslip angle — relates to the displacement of the aircraft centerline from the relative wind. In flight dynamics it is given the shorthand notation eta (beta) and is positive when the relative wind is displaced to the right of the airplane centerline. The… …
50critical angle — n. 1. Optics the smallest possible angle of incidence at which light rays are totally reflected 2. Aeron. that angle of attack at which the flow of air around an airfoil suddenly changes, with an abrupt reduction in lift and an increase of drag:… …
