The present work investigated the real-world emission performance of a typical light-duty gasoline vehicle to identify the most significant vehicle operating parameter responsible for excessive real-world emission levels. Based upon tailpipe-out emission levels two distinct portions in the engine maps could be identified; a clean portion of the map, which covers the engine operating points within the European the legislative drive cycle, and an unclean portion of the map that is outside the legislative testing. A systematic investigation of the tailpipe-out emission levels for the real-world drive cycle showed that the levels of vehicle speed and acceleration are immaterial if the vehicle operating points remain within the cleaner zone of the engine map. The methodical approach followed to identify the most significant vehicle operating parameter responsible for the real-world emission levels is given in this paper.


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    Titel :

    The Most Significant Vehicle Operating Parameter for Real-World Emission Levels


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Morrey, D. (Autor:in) / Taylor, D. H.C. (Autor:in) / Austin, L. (Autor:in) / Fowkes, M. (Autor:in) / Samuel, S. (Autor:in) / Latham, Stephen (Autor:in) / Felstead, Tim (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    2004-03-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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    2004- 01- 0636 The Most Significant Vehicle Operating Parameter for Real-World Emission Levels

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    Parametric Study into the Effects of Factors Affecting Real-World Vehicle Exhaust Emission Levels

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    Real-world fuel economy and emission levels of a typical Euro-4 passenger vehicle

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