摘要
本文根据噪声测试标准GB/T 1859.1-2015《往复内燃机声压法声功率级的测定第1部分:工程法》介绍了通用小型汽油机噪声测试声学环境的要求,噪声测试基准体选取,传声器位置布置技术特点,结合噪声测试试验中仪器设备的应用、数据的采集和处理,进一步探讨通用小型汽油机噪声测试技术方法,为噪声测试技术提供有力的参考。
This paper introduces the requirements of the acoustic environment of the noise test and the noise test reference body selection and technical characteristics of microphone position arrangement of the general utility small gasoline engine according to the noise test standard GB/T 1859.1-2015 "Determination of the sound power level of the sound pressure method of the reciprocating internal combustion engine Part 1: Engineering method".Combined with the application of instruments and equipment, data collection and processing in noise test, this paper further discusses the noise test technology of general small gasoline engine, and provides a powerful reference for noise test technology.
作者
刘琳
毛文刚
杨锐
刘建辉
杨建伟
LIU Lin;MAO Wengang;YANG Rui;LIU Jianhui;YANG Jianwei(CCIC West Testing Co.,Ltd.,Xi'an 710032)
出处
《内燃机》
2019年第3期44-46,共3页
Internal Combustion Engines
关键词
通用小型汽油机
噪声测试
声学环境
基准体
传声器位置
general utility small gasoline engine
noise test
acoustic environment
reference body
microphone position