The invention discloses a rotor wing type, a rotor wing blade and a tilt rotor aircraft, and particularly relates to the technical field of aircrafts, the ratio of the maximum thickness t of the rotor wing type to the chord length c of the wing type is t/c = 11.15%, and the position of the maximum thickness xt/c = 34.9%; the ratio of the maximum camber f of the wing type of the rotor to the chord length c of the wing type is f/c = 2.48%, and the position of the maximum camber b is xf/c = 22.7%; the wing section, located at the position 0.34 R-0. 9R away from the center of the propeller hub, of the propeller blade body is a rotor wing section, the wing section, located at the position R away from the center of the propeller hub, of the propeller blade body is an OA209 wing section, the rotor wing section is connected with the OA209 wing section through a transition wing section, and the OA209 wing section is connected with the sweepback section. According to the invention, more efficient aerodynamic performance and smoother mode conversion can be realized, and the overall flight performance is improved.
本发明公开了一种旋翼翼型、旋翼桨叶及倾转旋翼机,具体涉及飞行器技术领域,旋翼翼型的最大厚度t与翼型的弦长c之比为t/c=11.15%,最大厚度的位置为xt/c=34.9%;旋翼翼型的最大弯度f与翼型的弦长c之比为f/c=2.48%,最大弯度b的位置为xf/c=22.7%;桨叶本体的位于与桨毂中心相距的距离为0.34R‑0.9R处的翼型段为旋翼翼型,位于与桨毂中心相距的距离为R处的翼型段为OA209翼型,旋翼翼型与OA209翼型通过过渡翼型连接,OA209翼型与后掠段连接。本发明能够实现更高效的气动性能和更平滑的模式转换,提升整体飞行性能。
Rotor type, rotor blade and tilting rotorcraft
一种旋翼翼型、旋翼桨叶及倾转旋翼机
25.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
Rotor variable-elongation mechanism, rotor blade and tilting rotorcraft
Europäisches Patentamt | 2022
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