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    Gasoline engine simulations using zero-dimensional spark ignition stochastic reactor model and three-dimensional computational fluid dynamics engine model

    Gasoline engine simulations using zero-dimensional spark ignition stochastic reactor model and three-dimensional computational fluid dynamics engine model


    A simulation process for spark ignition gasoline engines is proposed. The process is based on a zero-dimensional spark ignition stochastic reactor model and three-dimensional computational fluid dynamics of the cold in-cylinder flow. The cold flow simulations are carried out to analyse changes in the turbulent kinetic energy and its dissipation. From this analysis, the volume-averaged turbulent mixing time can be estimated that is a main input parameter for the spark ignition stochastic reactor model. The spark ignition stochastic reactor model is used to simulate combustion progress and to analyse auto-ignition tendency in the end-gas zone based on the detailed reaction kinetics. The presented engineering process bridges the gap between three-dimensional and zero-dimensional models and is applicable to various engine concepts, such as, port-injected and direct injection engines, with single and multiple spark plug technology. The modelling enables predicting combustion effects and estimating the risk of knock occurrence at different operating points or new engine concepts for which limited experimental data are available.

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    Titel :

    Gasoline engine simulations using zero-dimensional spark ignition stochastic reactor model and three-dimensional computational fluid dynamics engine model

    Beteiligte:
    Michal Pasternak (Autor:in) / Fabian Mauss / Marc Sens / Michael Riess / Andreas Benz / Karl Georg Stapf
    Erschienen in:

    International journal of engine research ; 17 , 1

    Erscheinungsdatum :

    2016

    ISSN :

    1468-0874

    Medientyp :

    Aufsatz (Zeitschrift)

    Format :

    Print

    Sprache :

    Englisch

    Schlagwörter :

    Verbrennungskraftmaschine

    Klassifikation :

    BKL:    52.35 Kolbenkraftmaschinen / 52.35

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