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3D-printed sound absorbing metafluid inspired by cereal straws

Used as building biomaterials for centuries, cereal straws are known for their remarkable acoustic performances in sound absorption. Yet, their use as fibrous media disregards their internal structure made of nodes partitioning stems. Here, we show that such nodes can impart negative acoustic bulk m...

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Detalles Bibliográficos
Autores principales: Huang, W., Schwan, L., Romero-García, V., Génevaux, J.-M., Groby, J.-P.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6560219/
https://www.ncbi.nlm.nih.gov/pubmed/31186502
http://dx.doi.org/10.1038/s41598-019-44891-z