噪声与振动控制2025，Vol.45Issue(4)：264-269,310,7.DOI:10.3969/j.issn.1006-1355.2025.04.041
声学超材料型通风隔声屏障设计与分析
Design and Analysis of Acoustic Supermaterial Ventilation Noise Barriers
摘要
Abstract
In order to solve the issue of limited noise reduction of traditional acoustic materials in the low-frequency band,a composite structure of acoustic super-materials for ventilation sound barriers(VSB)is proposed.This structure incor-porates variable cross-section pipes and curled acoustic detuned labyrinth resonators(DLR)to form the complex VSB acous-tic super-materials.Utilizing the finite element method,a multi-physical field coupling model is developed to assess the sound insulation properties of the VSB under different airflow rates.By adjusting the geometric parameters of the DLR and arranging multiple VSB units in parallel,a multi-unit coupled broadband sound insulation structure for low and medium fre-quencies is designed.Experimental and finite element analysis confirm that this multi-unit coupled VSB can isolate the noise by above 5 dB in the 350-755 Hz frequency range,and has a lower peak frequency and broadened bandwidth.关键词
声学/声学超材料/通风隔声屏障/变截面通道/声传递损失Key words
acoustics/acoustic metamaterials/ventilation sound barriers/variable section channel/sound transmission loss分类
通用工业技术引用本文复制引用
羊帆,陈长征,张大成,宋洋,吴秀鹏,孙鲜明..声学超材料型通风隔声屏障设计与分析[J].噪声与振动控制,2025,45(4):264-269,310,7.基金项目
国家自然科学基金资助项目(51675350) （51675350）
辽宁省教育厅科研资助项目(202007141) （202007141）
辽宁省自然科学基金资助项目(2019-MS-176) （2019-MS-176）
