Three-dimensional combustion simulation tools together with the Universal Coherent Flamelet Model (UCFM), a flame propagation model, have been applied to SI lean-burn combustion to study the influence of the equivalence ratio on the amount of unburned hydrocarbons (HCs). Unburned HCs from piston-cylinder crevices were taken into the consideration by using a calculation grid incorporating the actual crevice volume and shape and by applying an autoignition model to post-flame phenomena. The calculation results show the general tendencies for the total amount of unburned HCs and their distribution in the combustion chamber.


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    Titel :

    Analysis and Prediction of Unburned HCs in a Lean-Burn Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Teraji, Atsushi (Autor:in) / Kubo, Masaaki (Autor:in) / Itoh, Teruyuki (Autor:in) / Noda, Toru (Autor:in) / Tsuda, Tsuyoshi (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    16.04.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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