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Compression Estimation from Simulated and Measured Cylinder Pressure
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
2003 (English)In: SAE technical paper series, ISSN 0148-7191, Vol. 111, no 3Article in journal (Refereed) Published
Abstract [en]

Three methods for estimating the compression from measured cylinder pressure traces are described and evaluated for both motored and fired cycles against simulated and measured cylinder pressure. The first two rely upon a model of polytropic compression, and it is shown that they give a good estimate of the compression ratio for simulated cycles for low compression ratios. For high compression ratios, these simple models lack the information about heat transfer. The third method includes a standard heat transfer and crevice effect model, together with a heat release model and is able to estimate the compression ratio more accurately.

Place, publisher, year, edition, pages
S A E Inc. , 2003. Vol. 111, no 3
Keyword [en]
Engine Modelling
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-137257DOI: 10.4271/2002-01-0843Scopus ID: 2-s2.0-33645325872OAI: oai:DiVA.org:liu-137257DiVA: diva2:1094330
Available from: 2017-05-09 Created: 2017-05-09 Last updated: 2017-05-18Bibliographically approved

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Klein, MarcusEriksson, LarsNilsson, Ylva
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