Sound insulation via a reconfigurable ventilation barrier with ultra-thin zigzag structures

Acoustic ventilation barriers (AVBs) constructed from metamaterials can effectively insulate sound waves while maintaining airflow, but previous schemes suffer from complex geometric structures. Here, we propose a reconfigurable AVB with subwavelength thickness (0.15λ), which is composed of simple z...

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Veröffentlicht in:	Journal of applied physics 2021-02, Vol.129 (6)
Hauptverfasser:	Chen, Di-Chao, Wei, Qi, Yan, Peng-Yi, Zhu, Xing-Feng, Wu, Da-Jian
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission testing Acoustic insulation Acoustic noise Acoustic waves Acoustics Air flow Applied physics Insulation Metamaterials Noise control Reconfiguration Sound transmission Sound waves Transmission loss Ventilation
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