单词 | downwash |
释义 | downwashdown·washD0370350 (doun′wŏsh′, -wôsh′)downwash(ˈdaʊnˌwɒʃ)downwashdownwash[′dau̇n‚wäsh]downwashii. Fluid flow deflected at an angle more perpendicular to the motion of the airfoil, measured in the plane parallel to the plane of symmetry close behind the trailing edge. iii. Air that has passed around the main wing or rotor and now strikes the tailplane at an angle different from the direction of flight. iv. Air that has been accelerated downward by the action of the rotors of a helicopter. |
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