大尺寸薄膜蜂窝声学超材料的隔声规律

doi:10.13438/j.cnki.jdzk.2025.04.012

吉首大学学报（自然科学版） ›› 2025, Vol. 46 ›› Issue (4): 81-88.DOI: 10.13438/j.cnki.jdzk.2025.04.012

大尺寸薄膜蜂窝声学超材料的隔声规律

蒋俊祺，林媛燕，邓科，贾晗，赵晨辉

(1.吉首大学物理与机电工程学院，湖南吉首 416000;2.中国科学院噪声与振动重点实验室，北京 100190)

出版日期:2025-07-25 发布日期:2025-08-05
作者简介:中国科学院声学研究所前沿探索项目(QYTS202110)；国家自然科学基金资助项目(12104480)；北京市自然科学基金资助项目(L233037)蒋俊祺(2000—)，男，湖南衡阳人，吉首大学物理与机电工程学院硕士研究生，主要从事声学超材料研究

Sound Insulation Law of Large-Sized Thin-Film Honeycomb Acoustic Metamaterial

JIANG Junqi,LIN Yuanyan,DENG Ke,JIA Han,ZHAO Chenhui

(1.College of Physics and Electromechanical Engineering,Jishou University,Jishou 416000,Hunan China;2.Key Laboratory of Noise and Vibration,Chinese Academy of Sciences,Beijing 100190,China)

Online:2025-07-25 Published:2025-08-05

摘要/Abstract

摘要：利用单层PET薄膜和单层铝蜂窝设计出一种大尺寸薄膜蜂窝声学超材料，通过对该超材料开展实验探究，分析了蜂窝芯的边长、壁厚、高度对超材料隔声性能的影响，并针对隔声样品引入了新的评价指标，即样品平均隔声量与面密度的比值.结果表明，超材料在400~1 600 Hz内的隔声量超过其依质量定律估测的隔声量；当蜂窝芯的边长为2 mm，壁厚为0.06 mm，高度为10 mm时，超材料隔声量较高；当蜂窝芯的边长为7 mm，壁厚为0.05 mm，高度为7 mm时，超材料隔声效率较高.

关键词： 声学超材料, 大尺寸, 薄膜, 蜂窝

Abstract: Based on a design integrating single-layer PET film and single-layer aluminum honeycomb,this study developed a large-sized thin-film honeycomb acoustic metamaterial.Experimental investigations were conducted to comprehensively analyze the effects of honeycomb core parameters—side length,wall thickness,and height—on the sound insulation performance,along with proposing a novel evaluation metric,that is,the ratio of average sound insulation to surface density.The results demonstrate that the sound insulation performance of the metamaterial exceeds the prediction of the mass law within the 400~1 600 Hz frequency range.Superior acoustic performance is achieved when the honeycomb core possesses a side length of 2 mm,a wall thickness of 0.06 mm,and a height of 10 mm.Higher acoustic efficiency is observed when the honeycomb core has a side length of 7 mm,a wall thickness of 0.05 mm,and a height of 7 mm.

Key words: acoustic metamaterial, large-sized, thin-film, honeycomb

蒋俊祺, 林媛燕, 邓科, 贾晗, 赵晨辉. 大尺寸薄膜蜂窝声学超材料的隔声规律[J]. 吉首大学学报（自然科学版）, 2025, 46(4): 81-88.

JIANG Junqi, LIN Yuanyan, DENG Ke, JIA Han, ZHAO Chenhui. Sound Insulation Law of Large-Sized Thin-Film Honeycomb Acoustic Metamaterial[J]. Journal of Jishou University(Natural Sciences Edition), 2025, 46(4): 81-88.

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大尺寸薄膜蜂窝声学超材料的隔声规律

Sound Insulation Law of Large-Sized Thin-Film Honeycomb Acoustic Metamaterial

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