噪声与振动控制2025，Vol.45Issue(3)：249-255,7.DOI:10.3969/j.issn.1006-1355.2025.03.039
改进型薄膜声学超材料降低变压器噪声的研究
Transformer Noise Reduction Applying Improved MAM
摘要
Abstract
Membrane-type acoustic metamaterial(MAM)has attracted widespread attention due to its excellent low-frequency sound insulation performance.However,traditional MAM still has some shortcomings,which often limit its engi-neering applications.In order to explore the application of MAM in transformer noise reduction,an improved MAM struc-ture was designed.On this basis,a composite noise reduction structure for transformer noise reduction was proposed.Firstly,the multi-physics field simulation software was used to analyze the acoustic-structure coupling of the metamaterial structure and study the influencing factors of the acoustic insulation.Secondly,the single-parameter and multi-parameter regulariza-tion of the influencing factors of the acoustic insulation was carried out,and the influence of different parameters on the acoustic insulation curve was clarified by the single-parameter regularization.Furthermore,the structure was optimized by the double-parameter regularization.The research shows that the improved MAM structure has excellent low-frequency acoustic insulation performance,and the composite noise reduction structure designed by combining it with the traditional sound absorption plate material provides a solution for reducing transformer noise and can effectively block the noise propa-gation.关键词
声学/变压器/薄膜型声学超材料/复合隔声结构/弹性层Key words
acoustics/transformers/membrane-type acoustic metamaterial/composite sound insulation structure/elas-tic layer分类
通用工业技术引用本文复制引用
冯明浩,杨廷方,赵翔,谢泽龙,陈章磊,李雄..改进型薄膜声学超材料降低变压器噪声的研究[J].噪声与振动控制,2025,45(3):249-255,7.基金项目
国家自然科学基金资助项目(U1966207) （U1966207）
