The main purpose of this study is to apply the parametric phi-T (Equivalence Ratio-Temperature) map analysis coupled with 3D engine simulations to characterize different combustion modes in DI, Direct Injection, compression ignited engines in terms of combustion efficiency and emission formations. The conventional static map analysis has been extended by constructing the parametric maps of a dynamic nature for different species characterizing the combustion and emission formation processes. The results of the analysis prove the efficiency of different combustion modes when injection parameters were varied from early to retarded injections.
Analysis of Combustion Regimes in Compression Ignited Engines Using Parametric phi-T Dynamic Maps / Golovitchev, Valeri I.; Calik, Alper T.; Montorsi, Luca. - In: SAE TECHNICAL PAPER. - ISSN 0148-7191. - (2007). (Intervento presentato al convegno JSAE/SAE International Fuels and Lubricants Meeting, JSAE 2007 tenutosi a Kyoto, jpn nel July23-27, 2007) [10.4271/2007-01-1838].
Analysis of Combustion Regimes in Compression Ignited Engines Using Parametric phi-T Dynamic Maps
MONTORSI, Luca
2007
Abstract
The main purpose of this study is to apply the parametric phi-T (Equivalence Ratio-Temperature) map analysis coupled with 3D engine simulations to characterize different combustion modes in DI, Direct Injection, compression ignited engines in terms of combustion efficiency and emission formations. The conventional static map analysis has been extended by constructing the parametric maps of a dynamic nature for different species characterizing the combustion and emission formation processes. The results of the analysis prove the efficiency of different combustion modes when injection parameters were varied from early to retarded injections.
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