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Anomalous sound absorption in lattices of cylindrical perforated shells

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Anomalous sound absorption in lattices of cylindrical perforated shells

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dc.contributor.author García Chocano, Víctor Manuel es_ES
dc.contributor.author Sánchez-Dehesa Moreno-Cid, José es_ES
dc.date.accessioned 2016-05-20T07:02:05Z
dc.date.available 2016-05-20T07:02:05Z
dc.date.issued 2015-03-23
dc.identifier.issn 0003-6951
dc.identifier.uri http://hdl.handle.net/10251/64454
dc.description.abstract This work reports the enhancement of sound absorption by sonic crystals slabs made of cylindrical perforated shells. These building units, with perforations of millimeter size, show small losses and cannot explain the strong absorption observed at some specific frequencies when the slabs consist of just a few number of rows. It is found that this phenomenon is due to a resonant Wood anomaly which occurs when the incident wave couples with a leaky guided mode supported by the slab. This effect results in an enhancement of the absorption, since the energy transferred to the guided mode travels within the slab, along a direction perpendicular to the incident one. Multiple scattering and finite element simulations give support to the proposed behavior, the transmittance results being in good agreement with experimental data previously reported. (C) 2015 AIP Publishing LLC. es_ES
dc.description.sponsorship This work was partially supported by the USA Office of Naval Research under Grant No. N000141210216 and the Spanish MINECO (Contract No. TEC2010-19751). en_EN
dc.language Inglés es_ES
dc.publisher American Institute of Physics (AIP) es_ES
dc.relation.ispartof Applied Physics Letters es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Anomalous sound absorption in lattices of cylindrical perforated shells es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1063/1.4916509
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TEC2010-19751/ES/NUEVOS DISPOSITIVOS BASADOS EN METAMATERIALES ELECTROMAGNETICOS Y ACUSTICOS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica es_ES
dc.description.bibliographicCitation García Chocano, VM.; Sánchez-Dehesa Moreno-Cid, J. (2015). Anomalous sound absorption in lattices of cylindrical perforated shells. Applied Physics Letters. 106(12):124104-1-124104-4. https://doi.org/10.1063/1.4916509 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1063/1.4916509 es_ES
dc.description.upvformatpinicio 124104-1 es_ES
dc.description.upvformatpfin 124104-4 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 106 es_ES
dc.description.issue 12 es_ES
dc.relation.senia 304211 es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
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