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Recent Advances In  IC-engine acoustic source Characterisation
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-8474-8563
2007 (English)In: 14th International Congress on Sound and Vibration (ICSV14), 2007Conference paper, Published paper (Other academic)
Abstract [en]

This paper summarizes work performed at KTH over the years on source characterization for IC-engine exhaust and intake systems. An overview is made of recent advances in experimental and simulation methods for determination of acoustic source data. These include a source model which can consider weakly non-linear sources and application of 1-D CFD codes for extracting source data. Examples are presented for both exhaust and intake systems and for different types of engines. The results show that reasonably accurate results can be obtained using 1-D CFD codes to extract acoustic source data and that the newly developed non-linear multi-load technique has got advantages over the traditional two-load technique for determining source data from experiments.

Place, publisher, year, edition, pages
2007.
Keyword [en]
Source Characterisation, Duct acoustics, Sound fields, Acoustic fields, Aeroacoustics, IC-engine, fan, 1-D CFD
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-62223Scopus ID: 2-s2.0-84881420033OAI: oai:DiVA.org:kth-62223DiVA: diva2:479987
Conference
14th International Congress on Sound and Vibration. Cairns, Australia. 2007-07-09 - 2007-07-12
Note
QC 20120515Available from: 2012-01-18 Created: 2012-01-18 Last updated: 2012-05-15Bibliographically approved

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Bodén, Hans

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