This paper presents on-the-fly chemical mechanism reduction (termed as dynamic mechanism reduction) for speeding up the chemistry solution for practical internal combustion engine simulations. Small mechanisms are built at each time step which are valid under the local conditions of each cell. The Directed Relation Graph with Error Propagation (DRGEP) algorithm is used for generating local skeletal mechanisms. Dynamic mechanism reduction is combined with adaptive zoning (termed as multi-zone) to achieve good computational speed-up for engine simulations. The accuracy and efficiency of dynamic mechanism reduction is evaluated for a wide range of scenarios including (a) Diesel combustion, (b) Homogeneous Charge Compression Ignition (HCCI) combustion, and (c) Dual fuel combustion.


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    Titel :

    Dynamic Chemical Mechanism Reduction for Internal Combustion Engine Simulations


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Raju, Mandhapati P. (Autor:in) / Wang, Mingjie (Autor:in) / Senecal, P. K. (Autor:in)

    Kongress:

    SAE 2013 World Congress & Exhibition ; 2013



    Erscheinungsdatum :

    08.04.2013




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Dynamic Chemical Mechanism Reduction for Internal Combustion Engine Simulations

    Raju, M.P. / Wang, M. / Senecal, P.K. et al. | British Library Conference Proceedings | 2013


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