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Analysis of a cylindrical micro-perforated resistive silencer
Scania AB, Sweden.ORCID-id: 0000-0002-3826-3055
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, MWL Strömningsakustik.ORCID-id: 0000-0003-1604-8263
2013 (engelsk)Inngår i: 42nd International Congress and Exposition on Noise Control Engineering 2013, INTER-NOISE 2013: Noise Control for Quality of Life, OAL-Osterreichischer Arbeitsring fur Larmbekampfung , 2013, s. 5867-5876Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper presents an analytical wave decomposition model for predicting the transmission loss a cylindrical silencer with both annular and baffled micro-perforated screens. Numerical simulation shows the fundamental characteristics as well as the potential to achieve large attenuation using micro-perforations. The numerical model is verified by measurements using the 2-microphone technique and shown to be a useful tool in practical design. Clear from the analysis is the sensitivity of the micro-perforated silencer to changes in both porosity and overall layout.

sted, utgiver, år, opplag, sider
OAL-Osterreichischer Arbeitsring fur Larmbekampfung , 2013. s. 5867-5876
Emneord [en]
Numerical models, Fundamental characteristics, Micro-perforations, Transmission loss, Wave decomposition, Acoustic variables control
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-151079Scopus ID: 2-s2.0-84904498254ISBN: 978-163266267-5 (tryckt)OAI: oai:DiVA.org:kth-151079DiVA, id: diva2:746890
Konferanse
42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013, 15 September 2013 through 18 September 2013, Innsbruck, Austria
Merknad

QC 20160122

Tilgjengelig fra: 2014-09-15 Laget: 2014-09-15 Sist oppdatert: 2016-01-22bibliografisk kontrollert

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Glav, RagnarFärm, Anna

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Totalt: 174 treff
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