路面对城市速度下电动汽车噪声排放的影响

IF 1.7 Q2 ACOUSTICS

Noise Mapping Pub Date : 2021-01-01 DOI:10.1515/noise-2021-0017

J. Cesbron, Simon Bianchetti, M. Pallas, Adrien Le Bellec, V. Gary, P. Klein

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引用次数: 11

摘要

考虑到电动机的相对安静性，轮胎与道路的相互作用已成为电动汽车噪声排放的主要来源。本文研究了路面对电动汽车噪声排放的潜在影响，特别是在城市地区。在参考测试轨道上进行了一项行车噪音测量活动，涉及六个不同的路面和五种不同车型的电动乘用车。录音制品对背景噪声的抗扰性是经过仔细考虑的。对每一对路面和电动汽车模型的总体和频谱通过噪声水平进行了分析，作为车辆速度的函数。研究发现，在50km /h时，电动汽车类型对路面噪声分类影响较小。然而，最安静和最响亮的路面之间的噪音水平差异取决于电动汽车的车型，平均接近6 dBA，这表明在城市地区电动汽车数量不断增长的背景下，路面对降噪的潜在影响。以未来法国或欧洲电动车队的普通乘用电动汽车为基础进行了展望。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Road surface influence on electric vehicle noise emission at urban speed

Abstract Considering the relative quietness of electric motors, tyre/road interaction has become the prominent source of noise emission from Electric Vehicles (EVs). This study deals with the potential influence of the road surface on EV noise emission, especially in urban area. A pass-by noise measurement campaign has been carried out on a reference test track, involving six different road surfaces and five electric passenger car models in different vehicle segments. The immunity of sound recordings to background noise was considered with care. The overall and spectral pass-by noise levels have been analysed as a function of the vehicle speed for each couple of road surface and EV model. It was found that the type of EV has few influence on the noise classification of the road surfaces at 50 km/h. However, the noise level difference between the quietest and the loudest road surface depends on the EV model, with an average close to 6 dBA, showing the potential effect of the road surface on noise reduction in the context of growing EV fleet in urban area. The perspective based on an average passenger EV in a future French or European electric fleet is addressed.

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来源期刊

Noise Mapping ACOUSTICS-

CiteScore

7.80

自引率

17.90%

发文量

审稿时长

12 weeks

期刊介绍： Ever since its inception, Noise Mapping has been offering fast and comprehensive peer-review, while featuring prominent researchers among its Advisory Board. As a result, the journal is set to acquire a growing reputation as the main publication in the field of noise mapping, thus leading to a significant Impact Factor. The journal aims to promote and disseminate knowledge on noise mapping through the publication of high quality peer-reviewed papers focusing on the following aspects: noise mapping and noise action plans: case studies; models and algorithms for source characterization and outdoor sound propagation: proposals, applications, comparisons, round robin tests; local, national and international policies and good practices for noise mapping, planning, management and control; evaluation of noise mitigation actions; evaluation of environmental noise exposure; actions and communications to increase public awareness of environmental noise issues; outdoor soundscape studies and mapping; classification, evaluation and preservation of quiet areas.