基于声学反馈的风机降噪实验研究  

Experimental Study on Fan Noise Reduction Based on Acoustic Feedback

作　　者：杨康健 YANG Kangjian(China Railway 18th Bureau Group Pump Industry Co.,Ltd.,Baoding 072750,China)

机构地区：[1]中铁十八局集团泵业有限公司,河北保定072750

出　　处：《山东电力高等专科学校学报》2025年第1期54-56,共3页Journal of Shandong Electric Power College

基　　金：河北机械科研基金HBKY2023-89。

摘　　要：为了提高噪声控制的精度和效果,在对风机进行流体动力学模拟计算的基础上,引入先进的声学传感器和实时数据处理技术设计声学反馈系统,开展基于声学反馈的风机降噪实验。实验结果表明,通过精确的噪声测量和实时控制策略,声学反馈系统对噪声的实时控制具有高效的动态响应能力,能够处理复杂多变的噪声类型,显著降低风机噪声的声压级。To improve the precision and effect of noise control,an acoustic feedback system is designed by introducing advanced acoustic sensors and real-time data processing technology on the basis of fluid dynamics simulation calculations for fans to conduct a fan noise reduction experiment on the basis of acoustic feedback.It is shown that through accurate noise measurement and real-time control strategy,the acoustic feedback system has an efficient dynamic response capability for real-time control of noise,which is capable of dealing with complex and variable noise types and significantly reducing the sound pressure level of fan noise.

关 键 词：声学反馈 风机降噪 噪声测量 

分 类 号：TM34[电气工程—电机]