An investigation into sound transmission loss by polypropylene needle-punched nonwovens

In this work, the effects of variables such as initial carded web mass, needle penetration depth, punch density, and the frequency of incident sound wave on transmission of sound through polypropylene needle-punched nonwovens were investigated. Fibrous carded webs using commercially available 17 dte...

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Bibliographic Details
Main Authors: Kazem Ghorbani, Hossein Hasani, Mohammad Zarrebini, Reza Saghafi
Format: Article
Language:English
Published: Elsevier 2016-06-01
Series:Alexandria Engineering Journal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S111001681600065X