On the use of perforations to improve th
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F.C. Sgard; X. Olny; N. Atalla; F. Castel
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Article
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2005
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Elsevier Science
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English
β 584 KB
The concept of meso-perforations in appropriately chosen porous media can help enhance their sound absorption performance. The meso-perforated materials are also referred to as βdouble porosity materialsβ since they are made up of two interconnected networks of pores of different characteristic size