通用小型汽油机噪声测试方法解析

Analysis of Noise Test Method for General Utility Small Gasoline Engine

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.