小型多旋翼飞行器悬停效率分析

doi:10.3969/j.issn.1000-1093.2019.06.025

兵工学报 ›› 2019, Vol. 40 ›› Issue (6): 1323-1328.doi: 10.3969/j.issn.1000-1093.2019.06.025

• 研究简报 • 上一篇

小型多旋翼飞行器悬停效率分析

雷瑶^1,2，林荣钊¹，吴智泉¹

(1.福州大学机械工程及自动化学院, 福建福州 350116;2.福州大学流体动力与电液智能控制福建省高校重点实验室, 福建福州 350116)

收稿日期:2018-08-24 修回日期:2018-08-24 上线日期:2019-08-14
作者简介:雷瑶(1985—), 女, 讲师，博士。 E-mail: yaolei@fzu.edu.cn
基金资助:
国家自然科学基金项目（51505087）；国家留学基金项目（201806655008）

Experimental Study on the Aerodynamic Arrangement of Small Multi-rotor Aircraft with High Capacity Payload

LEI Yao^1,2， LIN Rongzhao¹， WU Zhiquan¹

(1.College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, Fujian， China;2.Key Laboratory of Fluid Power and Intelligent Electro-Hydraulic Control, Fuzhou University, Fuzhou 350116, Fujian， China)

Received:2018-08-24 Revised:2018-08-24 Online:2019-08-14

摘要/Abstract

摘要： 多旋翼的不同配置方式直接影响着小型飞行器整机悬停效率。为了得到不同气动参数下多旋翼系统的悬停效率，通过搭建试验平台测量了多旋翼系统在不同的旋翼位置、桨叶数量、旋翼臂形状尺寸、共轴间距、非共轴旋翼重叠区域时的推力和功耗，分析了不同旋翼配置方式下整机悬停效率随桨盘载荷的变化规律。试验结果表明：旋翼桨叶数为2且在旋翼下置时多旋翼飞行器的悬停效率最高；旋翼臂尺寸比形状对悬停效率的影响更大；不同间距比的共轴旋翼在桨盘载荷较高时可以接近无干扰单旋翼的效率，且在间距比为30.4%时具有较高的悬停效率；通过合理配置非共轴重叠区域的竖直间距比和水平间距比可以有效降低能量损失，且在较小竖直间距比时将水平间距比保持在10％~15％的范围可以大幅度提高悬停效率。

关键词: 多旋翼飞行器, 螺旋桨, 旋翼臂, 共轴间距, 重叠区域, 悬停效率

Abstract: The hover efficiency of multi-rotor aircraft is mainly determined by the configuration of rotor system. In order to obtain the hover efficiency of multi-rotor system with different aerodynamic parameters, the thrust and power consumption of multi-rotor system with different rotor position, the number of rotor blades, the shape and size of rotor arm, the spacing of coaxial rotors and the overlap area of non-coaxial rotors are measured experimentally. The variation of hover efficiency with the disk loading for rotor different configurations is also analyzed. The experimental results show that the 2-blade rotor with pusher configuration is characterized with better hovering efficiency; the size of rotor arm has a greater influence on the hovering efficiency compared with its shape; the hovering efficiency of coaxial rotor is close to that of interference-free single rotor under a higher rotor disk loading， and achieves better performance when the spacing ratio is 30.4%; and the energy loss can be effectively reduced by adjusting the vertical and horizontal spacing ratios of the non-coaxial overlap region, and the hovering efficiency is significantly improved when the horizontal spacing ratio is ranged from 10% to 15% with a smaller vertical spacing ratio. Key

Key words: multi-rotoraircraft, propeller, rotorarm, coaxialspacing, overlapregion, hoveringefficiency

中图分类号:

V211.3

雷瑶，林荣钊，吴智泉. 小型多旋翼飞行器悬停效率分析[J]. 兵工学报, 2019, 40(6): 1323-1328.

LEI Yao， LIN Rongzhao， WU Zhiquan. Experimental Study on the Aerodynamic Arrangement of Small Multi-rotor Aircraft with High Capacity Payload[J]. Acta Armamentarii, 2019, 40(6): 1323-1328.

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小型多旋翼飞行器悬停效率分析

Experimental Study on the Aerodynamic Arrangement of Small Multi-rotor Aircraft with High Capacity Payload

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