不同车速和不同路面汽车噪声排放的倍频程分析

IF 0.5 Q4 TRANSPORTATION SCIENCE & TECHNOLOGY

Transport Problems Pub Date : 2023-06-30 DOI:10.20858/tp.2023.18.2.06

G. Staneva, R. Ivanov, G. Kadikyanov

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引用次数: 1

摘要

汽车噪音是有害污染的主要来源之一。本文根据外部和内部噪声测量的标准方法，进行了一个倍频带分析。采用常规汽油(GV)、混合动力(HEV)和纯电动(BEV)三种类型的汽车，在两种路面受损的粗粒沥青和光滑的细粒沥青上进行了不同速度的试验。结果表明，在不同的八度频带中，外部和内部噪声水平随速度的变化。在每个速度下，进行光谱分析。带有结果的图表显示了噪声水平与速度的变化以及噪声最大值的位置。建立了不同车速和不同路面下的八度谱回归模型。

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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OCTAVE BAND ANALYSIS OF CAR NOISE EMISSIONS AT DIFFERENT SPEEDS AND ON DIFFERENT PAVEMENTS

Noise from cars is one of the main sources of harmful pollution. In the presented paper, an octave frequency band analysis is conducted according to standard methods of external and internal noise measurement. Experiments at different speeds, with three types of cars—conventional gasoline (GV), hybrid (HEV) and pure electric (BEV)— were carried out on two types of pavement—damaged coarse-grained and smooth finegrained asphalt. The results show variations in external and internal noise levels vs. speed in different octave bands. At each speed, a spectral analysis was done. The diagrams with results show changes in noise level vs. speed and the positions of noise maximums. Regression models for the octave spectrum at different speeds and pavements are developed.

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来源期刊

Transport Problems TRANSPORTATION SCIENCE & TECHNOLOGY-

CiteScore

1.90

自引率

14.30%

发文量

审稿时长

48 weeks

期刊介绍： Journal Transport Problems is a peer-reviewed open-access scientific journal, owned by Silesian University of Technology and has more than 10 years of experience. The editorial staff includes mainly employees of the Faculty of Transport. Editorial Board performs the functions of current work related to the publication of the next issues of the journal. The International Programming Council coordinates the long-term editorial policy the journal. The Council consists of leading scientists of the world, who deal with the problems of transport. This Journal is a source of information and research results in the transportation and communications science: transport research, transport technology, transport economics, transport logistics, transport law.