汽车排气系统噪声性能分析与研究

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【摘  要】排气系统噪声直接关联整车NVH性能,在产品开发过程中需要重点研究与设计。文章介绍排气系统的基本功能和结构,对排气噪声的表现形式和产生机理进行详细说明。结合试验数据,重点分析排气噪声的关键影响因素,为排气系统的设计开发提供技术参考。

【关键词】排气系统;噪声;NVH

中图分类号:U464.134    文献标识码:A    文章编号:1003-8639(2025)02-0087-03

Noise Performance Analysis and Research of Automobile Exhaust System

DENG Houke,YANG Guang,REN Xiaolong

(Anhui Jianghuai Automobile Co.,Ltd.,Heifei 230031,China)

【Abstract】Exhaust system noise is directly related to vehicle NVH performance,which needs to be studied and designed in the process of product development. This paper introduces the basic function and structure of the exhaust system,and explains in detail the form and mechanism of exhaust noise. Based on the test data,the key influencing factors of exhaust noise are analyzed,so as to provide technical reference for the design and development of exhaust system.

【Key words】exhaust system;noise;NVH

1  排气系统功能结构

排气系统是在发动机工作时,不断地将燃烧室的废气排放到大气中,保证发动机连续运转的重要机构。(剩余3490字)

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