A variable valve timing (VVT) mechanism has been applied in a high-speed direct injection (HSDI) diesel engine. The effective compression ratio (εeff) was lowered by means of late intake valve closing (LIVC), while keeping the expansion ratio constant. Premixed charge compression ignition (PCCI) combustion, adopting the Miller-cycle, was experimentally realized and numerically analyzed. Significant improvements of NOx and soot emissions were achieved for a wide range of engine speeds and loads, frequently used in a transient mode test. The operating range of the Miller-PCCI combustion has been expanded up to an IMEP of 1.30 MPa.


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    Titel :

    Miller-PCCI Combustion in an HSDI Diesel Engine with VVT


    Weitere Titelangaben:

    Sae Int. J. Engines


    Beteiligte:
    Kawano, Daisuke (Autor:in) / Ishii, Hajime (Autor:in) / Suzuki, Hisakazu (Autor:in) / Kusaka, Jin (Autor:in) / Daisho, Yasuhiro (Autor:in) / Goto, Yuichi (Autor:in) / Murata, Yutaka (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2008


    Erschienen in:

    Erscheinungsdatum :

    2008-04-14


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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