Systematic Reduction of Detailed Chemical Reaction Mechanisms for Engine Applications

  • In this work we apply a sequence of concepts for mechanism reduction on one reaction mechanism including novel quality control. We introduce a moment based accuracy rating method for species profiles. The concept is used for a necessity based mechanism reduction utilizing 0D reactors. Thereafter a stochastic reactor model (SRM) for internal combustion engines is applied to control the quality of the reduced reaction mechanism during the expansion phase of the engine. This phase is sensitive on engine out emissions, and is often not considered in mechanism reduction work. The proposed process allows to compile highly reduced reaction schemes for CFD application for internal combustion engine simulations. It is demonstrated that the resulting reduced mechanisms predict combustion and emission formation in engines with accuracies comparable to the original detailed scheme.

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Metadaten
Author: Lars SeidelORCiD, Corinna NetzerORCiD, Martin Hilbig, Fabian MaußORCiD, Christian Klauer, Michal Pasternak, Andrea MatriscianoORCiD
ISBN:978-0-7918-5050-3
Title of the source (English):ASME 2016 Internal Combustion Engine Division Fall Technical Conference Greenville, South Carolina, USA, October 9–12, 2016
Publisher:The American Society of Mechanical Engineers
Place of publication:New York, N.Y.
Document Type:Conference Proceeding
Language:English
Year of publication:2016
Tag:Chemical Reaction Mechanismus for Engine Applications; Systematic Reduction
Number of pages:12
Comment:
Paper No. ICEF2016-9304
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Thermodynamik / Thermische Verfahrenstechnik
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