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Nonlinear source characterisation techniques for IC-engines
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL. KTH, School of Industrial Engineering and Management (ITM), Centres, Competence Center for Gas Exchange (CCGEx).ORCID iD: 0000-0002-8474-8563
2012 (English)In: 19th International Congress on Sound and Vibration 2012, ICSV 2012, 2012, 2442-2449 p.Conference paper, Published paper (Refereed)
Abstract [en]

A source characterization model for IC-engines, which can take weakly nonlinear source properties into account, is developed in the paper. It is based on so called polyharmonic distortion modeling, used for nonlinear characterization of microwave systems. Comparisons are made with the results from linear source models and another previously published weakly nonlinear source model. The results show that the new nonlinear impedance matrix model gives improvements in the prediction of sound pressure levels in the exhaust system.

Place, publisher, year, edition, pages
2012. 2442-2449 p.
Keyword [en]
Distortion modeling, Microwave systems, Nonlinear characterization, Nonlinear impedance, Nonlinear source, Sound pressure level, Source characterization, Weakly non-linear
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-144755Scopus ID: 2-s2.0-84876232926ISBN: 978-162276465-5 (print)OAI: oai:DiVA.org:kth-144755DiVA: diva2:716708
Conference
19th International Congress on Sound and Vibration 2012, ICSV 2012, Vilnius, Lithuania, 8 July 2012 through 12 July 2012
Note

QC 20140512

Available from: 2014-05-12 Created: 2014-04-29 Last updated: 2014-11-17Bibliographically approved

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