复合式垂直起降固定翼无人机旋翼和机翼的干扰分析

复合式垂直起降固定翼无人机是一种兼具多旋翼无人机和固定翼无人机性能的复合式无人机，其创新之处在于阐明了旋翼安装位置对无人机整体性能的影响。针对该类无人机旋翼与机翼之间的相互气动作用比较复杂的问题，本文采用实验和流体仿真两种方法对其气动特性进行分析，初步确定了旋翼的安装方式，并结合无人机的平飞状态进一步确定了旋翼的安装距离。实验及数值模拟结果表明，无人机的旋翼安装在机翼下方比安装在机翼上方效率要高，且旋翼与机翼之间的安装距离对旋翼的升力和无人机的平飞续航性能都有一定影响。

Interference Analysis of Rotor and Wing of Compound Vertical Takeoff and Landing Fixed Wing UAV

The composite vertical take-off and landing fixed-wing UAV is a compound UAV with the performance of multi-rotor UAV and fixed-wing UAV. Its innovation lies in clarifying the influence of rotor installation location on the overall performance of UAV.Aiming at the complex aerodynamic interaction between rotor and wing of this kind of UAV.In this paper,the aerodynamic characteristics were analyzed by experiments and Computational Fluid Dynamics(CFD). The installation method of the rotor was determined, and the installation distance of the rotor was further determined based on the level flight status of the UAV. Experiment and numerical simulation results show that the rotor mounted under the wing is more efficient than the rotor mounted above the wing, and the installation distance between the rotor and the wing have a certain influence on the lift of the rotor and the flight performance of the UAV.