Controlled Autoignition (CAI) is a very promising technology for simultaneous reduction of fuel consumption and engine-out emissions [3, 4, 9, 16]. But the operating range of this combustion mode is limited on the one hand by high pressure gradients with the subsequent occurrence of knocking, increasing NOX-emissions and cyclic variations, and on the other hand by limited operating stability due to low mixture temperatures. At higher loads the required amount of internal EGR decrease to reach self-ignition conditions decrease and hence the influence of the ignition spark gain. The timing of the ignition spark highly influence the combustion process at higher loads. With the ignition spark, pre-reactions are initialized with a defined heat release. Thus the location of inflammation and flame propagation can be strongly influenced and cyclic variations at higher loads can be reduced.


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    Titel :

    Investigations on the Effects of the Ignition Spark with Controlled Autoignition (CAI)


    Weitere Titelangaben:

    Sae Int. J. Engines


    Beteiligte:
    Sarikoc, Fatih (Autor:in) / Kubach, Heiko (Autor:in) / Han, Kyung-Man (Autor:in) / Hensel, Sebastian (Autor:in) / Spicher, Ulrich (Autor:in)

    Kongress:

    Powertrains, Fuels and Lubricants Meeting ; 2009


    Erschienen in:

    Erscheinungsdatum :

    2009-06-15


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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