rotor noise meaning in English
转子噪声
Examples
- This thesis provides an approach for the prediction of the tail rotor noise and the design of a tail rotor with low noise level
本文的研究结果为今后发展或逐步完善能用于工程计算的直升机尾桨噪声的预测方法提供了一些指导。 - Chapter 4 presents the mechanism of helicopter tail rotor noise , developed a new analytical model to investigate the noise of tail rotor when helicopter fly forward
在第四章中,通过对直升机尾桨噪声的机理分析,建立了前飞状态下尾桨噪声的计算模型。 - The major contributions of the author ' s research work are as follows : as the background of the work , the classification of helicopter rotor noise sources is introduced briefly , and the important and difficult aspects in the bvi noise research are pointed out
主要工作包括：作为前提和背景，本文首先简要介绍了直升机旋翼噪声的分类，指出了旋翼桨-涡干扰噪声研究的重点和难点。 - In chapter 5 , the uh - 1 model rotor , the model rotor measured in the present work and the helicopter z - 8 rotor are taken as numerical examples , the calculations on rotor noise under different flight conditions are carried out for validation purposes
应用该模型，分别以uh - 1模型旋翼、本文试验的模型旋翼以及z - 8直升机旋翼为算例，对不同飞行条件下的旋翼气动噪声进行了计算，验证了本文的计算方法。 - In this thesis , the major contributions of the author ’ s research work are as follows : at first , the classification of helicopter tail rotor noise sources and the existent method of helicopter noise research is introduced briefly
本文采用谐波分析法对直升机前飞状态下的尾桨噪声进行了理论分析研究。主要工作包括:本文首先简要介绍了直升机噪声的分类以及国内外直升机噪声研究方法的现状,总结了前人的研究成果。