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handle: 10261/7860
[ES] Una visión ampliada de la acústica aplicada permite la obtención de dispositivos absorbentes de banda ancha con otro tipo de materiales distintos a los fibrosos o granulares, como las mantas de lana mineral y el hormigón poroso. En este caso, se trata de utilizar velos de los mas diversos tejidos y materiales, con espesor y densidad superficial reducidos pero con resistencias al flujo ajustadas a los valores que permiten conseguir una absorción acústica óptima. El trabajo muestra los resultados obtenidos del estudio de la absorción sonora de velos de diferente naturaleza que pueden resultar muy competitivos frente a los materiales absorbentes mas utilizados tradicionalmente.
[EN] Today it is possible to obtain broad band absorbers without using fibrous or granular materials. In our case, the purpose is the utilisation of veils of different textiles and materials, with reduced thickness and surface density but with adjusted flow resistance in order to obtain optimal acoustic absorption. The paper shows the results obtained through the acoustical absorption of veils of different nature, that it can be very competitive in front of the traditional materials.
7 pp.-- PACS nr.: 43.20.Gp.-- Comunicación presentada en: XXXII Congreso Nacional de Acústica – TecniAcústica 2001 y Encuentro Ibérico de Acústica (Logroño, 17-19 Octubre 2001).
Este trabajo se encuadra dentro del Proyecto de Investigación AMB 98-1029 del Plan Nacional de I+D de la DGICYT.
Publicado en número especial de la Revista de Acústica: Vol 32(2001).
Peer reviewed
Broadband absorbers, Absorbentes de banda ancha, Veils, Velos, Tejidos, Acoustic absorption, Absorción acústica, Textiles
Broadband absorbers, Absorbentes de banda ancha, Veils, Velos, Tejidos, Acoustic absorption, Absorción acústica, Textiles
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