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Cylinder pressure reconstruction from vibration and speed measurements on IC engines
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0001-5435-2069
2004 (English)In: Noise and vibration engineering: proceedings of ISMA 2004 / [ed] P. Sas, Heverlee: Katholieke Univ. Leuven , 2004, p. 965-974Conference paper, Published paper (Refereed)
Abstract [en]

Knowledge of the in-cylinder pressure pulse in IC engines is of main importance in order to fulfill the requirements on low fuel consumption, exhaust emissions and noise. Direct measurements of the in-cylinder pressure are not suitable outside the laboratory environment due to a number of drawbacks. In this paper a combined indirect method for the measurement of the cylinder pressure pulse is developed and verified. The method is based on linear transfer functions between cylinder pressure and engine vibration and crankshaft speed, respectively. The combined method shows better results than achieved by either method separately. The low frequency part of the pressure pulse is reconstructed from crankshaft speed measurements while the high frequency part is reconstructed from vibration measurements. However, there is still a frequency region between the methods where neither method gives a reliable prediction.

Place, publisher, year, edition, pages
Heverlee: Katholieke Univ. Leuven , 2004. p. 965-974
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-32103Scopus ID: 13344278649Local ID: 67ab27f0-7311-11db-962b-000ea68e967bISBN: 90-73802-82-2 (print)OAI: oai:DiVA.org:ltu-32103DiVA, id: diva2:1005337
Conference
International Conference on Noise and Vibration Engineering : 20/09/2004 - 22/09/2004
Note
Godkänd; 2004; 20061009 (biem)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Johnsson, RogerÅgren, Anders

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf