THERMAL SCIENCE

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Ridha Ennetta

,

Mohamed Hamdi

,

Rachid Said

COMPARISON OF DIFFERENT CHEMICAL KINETIC MECHANISMS OF METHANE COMBUSTION IN AN INTERNAL COMBUSTION ENGINE CONFIGURATION

ABSTRACT
Three chemical kinetic mechanisms of methane combustion were tested and compared using the internal combustion engine model of Chemkin 4.02 [1]: one-step global reaction mechanism, four-step mechanism, and the standard detailed scheme GRIMECH 3.0. This study shows good concordances, especially between the four-step and the detailed mechanisms in the prediction of temperature and main species profiles. But reduced schemes were incapables to predict pollutant emissions in an internal combustion engine. The four-step mechanism can only predict CO emissions but without good agreement.
KEYWORDS
chemical kinetics, combustion, methane, engine
PAPER SUBMITTED: 2006-12-18
PAPER REVISED: 2007-05-21
PAPER ACCEPTED: 2008-02-12
DOI REFERENCE: https://doi.org/10.2298/TSCI0801043E
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2008, VOLUME 12, ISSUE Issue 1, PAGES [43 - 51]
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Comparison of different chemical kinetic mechanisms of methane combustion in an internal combustion engine configuration

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