| 单词 | downwash angle |
| 释义 | > as lemmasdownwash angle downwash angle n. Aeronautics the angle through which an airstream is deflected downwards by an aircraft wing, rotor blade, etc. ΚΠ 1919 Gloss. Aeronaut. Terms (Royal Aeronaut. Soc.) 21 Downwash angle, the angle through which the airstream relative to the aeroplane is deflected by an aerofoil or other body. Measured in a plane parallel to the plane of symmetry. 1963 Flying Mag. Sept. 96/3 The larger the downwash angle, the greater the deflection of the average relative wind. 2017 S. Corda Introd. Aerospace Engin. vi. 807 The downwash angle, ε, is usually an experimentally derived quantity, often from the results of wind tunnel testing. < as lemmas |
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