Experimental analysis on the noise of propellers for small UAV
Experimental analysis on the noise of propellers for small UAV
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DOI：
10.1016/j.apacoust.2012.06.011
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发表时间：
2013-01-01
影响因子：
3.4
通讯作者：
Marino, Luca
中科院分区：
文献类型：
--
作者：
Sinibaldi, Giorgia;Marino, Luca
本文主要针对小型无人机的螺旋桨推进进行了气动声学特性的实验分析。该调查关注的是无刷电机驱动的优化和传统螺旋桨的声学特征之间的比较。由于民用和军用无人机市场的急剧增长以及多种操作问题，该主题特别相关。推进系统的安静性和效率是先进飞行器设计中的关键问题，往往关系到飞行器使命的成败.本文在实验研究的基础上，提出了基于Ffowcs-Williams/Hawking方程和宽带噪声简化模型的数值分析方法. (C)2012爱思唯尔有限公司保留所有权利。
Main goal of this paper is an experimental analysis on the aeroacoustic features of propellers aimed at the propulsion of small unmanned aerial vehicles. The investigation concerns the comparison between the acoustic signature of optimized and conventional propellers driven by brushless electric motors.This topic is particularly relevant due to the dramatic increase of the UAV market for civil and military purposes with multiple operational issues. The quietness and the efficiency of the propulsive system are key aspects in the design of advanced aerial vehicles and very often can lead to the success or failure of the mission.In addition to the experimental research, a numerical analysis based on the compact formulation of the Ffowcs-Williams/Hawking equation and a simple model for the broadband noise, is presented and discussed. (C) 2012 Elsevier Ltd. All rights reserved.