| Citation: | CHEN Weifeng, YU Zhiming, ZHONG Bowen, et al. Comprehensive design method for tilting ducted propeller[J]. Journal of Aerospace Power, 2024, 39（12）：20221000 doi: 10.13224/j.cnki.jasp.20221000
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In order to design the tilting ducted propeller of unmanned aerial vehicle (UAV) with higher cruising efficiency and longer flight time on the premise of meeting the requirements of hovering and forward flight, a design and optimization method of tilting ducted propeller was proposed. According to this method, the blade was designed firstly by the classical method using the blade element momentum theory and the vortex theory of the ducted propeller. The blade meeting the design requirements can be obtained through computational fluid dynamics (CFD) correction and the classical method was iterated, and the final tilting ducted propeller was obtained through the iterative and comprehensive optimization design in hover and forward flight states. The design results showed that under the premise of meeting the design requirements of hovering and forward flight, the cruising efficiency of the UAV was increased to 92.3%, and the flight endurance was increased by 7.1%. This method can achieve high design accuracy and can be designed with hover and forward flight as the optimal design points, and the two optimal design points were considered comprehensively to increase the UAV’s cruising efficiency and flight time. The tilting ducted propeller designed by this method can meet the requirements on the UAV’s cruising efficiency and flight endurance.
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