The invention discloses a novel vertical take-off and landing fixed-wing unmanned aerial vehicle aerodynamic layout which comprises a nose, a fuselage, a tail and wings in a single-wing layout, the fuselage comprises a fuselage front section, a fuselage middle section and a fuselage rear section, and the fuselage middle section comprises a center body on the upper half portion and a cabin on the lower half portion. The cross section of the center body shrinks towards the tail direction, so that the whole unmanned aerial vehicle is streamlined; an air inlet device, a ducted fan and an exhaust device are installed in the cabin, the two sides of the machine head are in smooth transition to the middle section of the machine body, a rear lip of the air inlet device is in smooth connection with the machine body to guide airflow to enter the air inlet device along the machine body, and the ducted fan is located below the center body and arranged in the flow direction of the machine body. During vertical take-off and landing, transition flight and high-speed level flight, airflow needed by the air-driven fan enters the air inlet device along the two sides of the fuselage in different modes, the ducted fan works in all flight states, proper thrust and lift force are provided for the unmanned aerial vehicle, and no redundant dead weight exists.
本发明公开了一种新型垂直起降固定翼无人机气动布局,包括机头、机身、机尾和呈下单翼布局的机翼,其中,所述机身包括机身前段、机身中段和机身后段,所述机身中段包括上半部分的中心体和下半部分的机舱,所述中心体截面向机尾方向收缩,使整个无人机呈现流线;机舱内安装有进气装置、涵道风扇和排气装置,机头两侧平滑过渡至机身中段,进气装置后唇口与机身平滑连接,引导气流沿机身进入所述进气装置内,涵道风扇位于中心体下方且沿机身流向布置,在垂直起降、过渡飞行和高速平飞时气驱动风扇所需的气流沿机身两侧以不同方式进入进气装置,涵道风扇在所有飞行状态下都工作,为无人机提供合适的推力和升力,没有多余死重。
Novel aerodynamic layout of vertical take-off and landing fixed-wing unmanned aerial vehicle
一种新型垂直起降固定翼无人机气动布局
2022-10-18
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
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