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downwash
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Downwash — The effect of downwash from a hovering helicopter is clearly visible on the surface of water below. In aeronautics downwash is the air forced down by the aerodynamic action of a wing or helicopter rotor blade in motion, as part of the process of… … Wikipedia
downwash — [doun′wôsh΄] n. the downward deflection of air as by an airplane wing … English World dictionary
Downwash — Abwind ist die Bezeichnung für einen Wind, der sich vom Standpunkt des Betrachters fortbewegt. Herrscht z. B. in einer Region vorwiegend Westwind und das Wohngebiet Musterwalde liegt östlich der Industrieanlage XYZ, dann kann man sagen, dass das… … Deutsch Wikipedia
downwash — noun Date: 1915 an airstream directed downward (as by an airfoil) … New Collegiate Dictionary
downwash — /down wosh , wawsh /, n. Aeron. a deflection of air downward relative to an airfoil that causes the deflection. [1910 15; DOWN1 + WASH] * * * … Universalium
downwash — i. Fluid flow moving at a deflected angle after deflection by helicopter rotors and measured parallel to the disc. ii. Fluid flow deflected at an angle more perpendicular to the motion of the airfoil, measured in the plane parallel to the plane… … Aviation dictionary
downwash — noun the downward deflection of an airstream by a wing or rotor blade … English new terms dictionary
downwash — /ˈdaʊnwɒʃ/ (say downwosh) noun the air deflected downwards by an aerofoil …
downwash — ˈ ̷ ̷ˌ ̷ ̷ noun 1. : material washed downward (as from a mountainside) 2. aeronautics : the airstream which is deflected downward by an airfoil and the momentum of which gives rise by its reaction on the airfoil to the lift … Useful english dictionary
downwash angle — The angle formed between the direction of air movement as it approaches an airfoil and as it leaves it … Aviation dictionary
