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Extraordinary absorption of sound in porous lamella-crystals

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Extraordinary absorption of sound in porous lamella-crystals

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dc.contributor.author Christensen, Johan es_ES
dc.contributor.author Romero García, Vicente es_ES
dc.contributor.author Picó Vila, Rubén es_ES
dc.contributor.author Cebrecos Ruiz, Alejandro es_ES
dc.contributor.author Garcia de Abajo, Francisco Javier es_ES
dc.contributor.author Mortensen, N. A. es_ES
dc.contributor.author Willatzen, M. es_ES
dc.contributor.author Sánchez Morcillo, Víctor José es_ES
dc.date.accessioned 2016-03-31T14:50:46Z
dc.date.available 2016-03-31T14:50:46Z
dc.date.issued 2014-04-14
dc.identifier.issn 2045-2322
dc.identifier.uri http://hdl.handle.net/10251/62099
dc.description.abstract We present the design of a structured material supporting complete absorption of sound with a broadband response and functional for any direction of incident radiation. The structure which is fabricated out of porous lamellas is arranged into a low-density crystal and backed by a reflecting support. Experimental measurements show that strong all-angle sound absorption with almost zero reflectance takes place for a frequency range exceeding two octaves. We demonstrate that lowering the crystal filling fraction increases the wave interaction time and is responsible for the enhancement of intrinsic material dissipation, making the system more absorptive with less material. es_ES
dc.description.sponsorship The work was supported by the Spanish Ministry of Science and Innovation and European Union FEDER through project FIS2011-29734-C02-01. J.C. gratefully acknowledges financial support from the Danish Council for Independent Research and a Sapere Aude grant (12-134776). V. R. G. gratefully acknowledges financial support from the ''Contratos Post-Doctorales Campus Excelencia Internacional'' UPV CEI-01-11. en_EN
dc.language Inglés es_ES
dc.publisher Nature Publishing Group: Open Access Journals - Option C es_ES
dc.relation.ispartof Scientific Reports es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Porous media es_ES
dc.subject Periodic structures es_ES
dc.subject Lamella es_ES
dc.subject Sonic crystals es_ES
dc.subject Absorption es_ES
dc.subject Sound es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title Extraordinary absorption of sound in porous lamella-crystals es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/srep04674
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//FIS2011-29734-C02-01/ES/CONTROL DE LA DIFRACCION DE LA LUZ EN MEDIOS MODULADOS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//CEI-01-11/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FNU//12-134776/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Investigación para la Gestión Integral de Zonas Costeras - Institut d'Investigació per a la Gestió Integral de Zones Costaneres es_ES
dc.description.bibliographicCitation Christensen, J.; Romero García, V.; Picó Vila, R.; Cebrecos Ruiz, A.; Garcia De Abajo, FJ.; Mortensen, NA.; Willatzen, M.... (2014). Extraordinary absorption of sound in porous lamella-crystals. Scientific Reports. 4(4674). https://doi.org/10.1038/srep04674 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1038/srep04674 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 4 es_ES
dc.description.issue 4674 es_ES
dc.relation.senia 276809 es_ES
dc.identifier.pmid 24728322 en_EN
dc.identifier.pmcid PMC3985082 en_EN
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
dc.contributor.funder Danish Natural Science Research Council es_ES
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