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DIGITAL.CSIC
Conference object . 2008 . Peer-reviewed
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Potencial de los Paneles Microperforados como Absorbentes en Agua

Authors: Cobo, Pedro;

Potencial de los Paneles Microperforados como Absorbentes en Agua

Abstract

Existe literatura abundante sobre el fundamento y el funcionamiento de los paneles microperforados (MPP) como absorbentes en el aire. La gran ventaja de los MPP es que son capaces de proporcionar absorción en ausencia de ningún material acústico convencional. Lo único que se necesita es un panel con unas perforaciones sub-milimétricas delante de una cavidad de aire. Cuando se diseñan apropiadamente, los MPP proporcionan una absorción en una banda de frecuencias, que, al menos en la parte de baja frecuencia, se asemeja a la que se puede obtener con una capa de material porosa de un espesor similar. Se sabe que la absorción de estos materiales depende del tamaño de los canales que se forman en los intersticios en relación al espesor de la capa visco-térmica. Como el espesor de las capas límite viscosa y térmica dependen de parámetros intrínsecos del fluido sobre el que se propaga la onda acústica, es obvio que las características absorbentes dependerán también de dicho fluido. Por tanto, un MPP diseñado para absorber en el aire, no tiene por qué funcionar en el agua. El objetivo fundamental de este trabajo es analizar la capacidad potencial de los MPP para proporcionar absorción en el agua.

8 páginas, 6 figuras.-- Comunicación presentada en: V Congreso Iberoamericano de Acústica FIA2006 (Santiago de Chile, 25-28 Oct 2006).

Este trabajo ha sido financiado por el Plan Nacional de I+D, a través del Proyecto DPI2004-05504-C02-01.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Paneles microperforados (MPP), Absorción sonora, Hidroacústica

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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