Ultrathin acoustic metamaterial as super absorber for broadband low-frequency underwater sound
Abstract In this work, an ultrathin acoustic metamaterial formed by space-coiled water channels with a rubber coating is proposed for underwater sound absorption. The proposed metamaterial achieves perfect sound absorption ( $$\alpha$$ α > 0.99) at 181 Hz, which has a deep subwavelength thickness (...
Gardado en:
| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
Nature Portfolio
2023-05-01
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| Series: | Scientific Reports |
| Acceso en liña: | https://doi.org/10.1038/s41598-023-34993-0 |
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