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    Performance of Two/Four Stroke Gasoline HCCI Engine with Electromagnetic Valve Train

    Performance of Two/Four Stroke Gasoline HCCI Engine with Electromagnetic Valve Train


    Comparison of net thermal efficiency and emission in two and four stroke gasoline HCCI engine has been carried out for various valve-timings as negative valve overlap and exhaust valve double opening. The valve timings could easily be converted from a mode to another by configuring schedule of electromagnetic valve-train. Extension of operable torque with high thermal efficiency had been expected in two-stroke HCCI operation, however friction and supercharger loss curtailed about half of the gain in indicated thermal efficiency. In four-stroke operation modes, exhaust valve double opening (‘reinduction’ or ‘rebreathing’) showed the best net thermal efficiency and emission, however the extension of high load limit could not be achieved considerably.

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    Titel :

    Performance of Two/Four Stroke Gasoline HCCI Engine with Electromagnetic Valve Train

    Weitere Titelangaben:

    Sae Technical Papers

    Beteiligte:
    Sakai, Hiroyuki (Autor:in) / Kim, Kyoung-Oh (Autor:in) / Nakano, Michio (Autor:in) / Kobayashi, Tatsuo (Autor:in)
    Kongress:

    JSAE/SAE International Fuels & Lubricants Meeting ; 2007

    Erschienen in:

    Sae Technical Paper Series

    Erscheinungsdatum :

    2007-07-23

    ISSN :

    2688-3627 , 0148-7191

    DOI :

    https://doi.org/10.4271/2007-01-1868

    Medientyp :

    Aufsatz (Konferenz)

    Format :

    Print

    Sprache :

    Englisch

    Schlagwörter :

    HCCI engines , Exhaust valves , Two stroke engines , Superchargers , Gasoline

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