Dedicated EGR (D-EGR) is an EGR strategy that uses in-cylinder reformation to improve fuel economy and reduce emissions. The entire exhaust of a sub-group of power cylinders (dedicated cylinders) is routed directly into the intake. These cylinders are run fuel-rich, producing H2 and CO (reformate), with the potential to improve combustion stability, knock tolerance and burn duration.A 2.0 L turbocharged D-EGR engine was packaged into a 2012 Buick Regal and evaluated on drive cycle performance. City and highway fuel consumption were reduced by 13% and 9%, respectively. NOx + NMOG were 31 mg/mile, well below the Tier 2 Bin 5 limit and just outside the Tier 3 Bin 30 limit (30 mg/mile).


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    Titel :

    Dedicated EGR Vehicle Demonstration


    Weitere Titelangaben:

    Sae Int. J. Engines


    Beteiligte:
    Denton, Bradley (Autor:in) / Chadwell, Christopher (Autor:in) / Robertson, Dennis (Autor:in) / Smith, Ian (Autor:in) / Zuehl, Jacob (Autor:in) / Gukelberger, Raphael (Autor:in) / Alger, Terrence (Autor:in)

    Kongress:

    WCX™ 17: SAE World Congress Experience ; 2017


    Erschienen in:

    Erscheinungsdatum :

    28.03.2017


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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