Charge dilution is commonly used to reduce emissions of nitrogen oxides (NOx) from internal combustion engine exhaust gas. The question of whether to use air or exhaust gas recirculation (EGR) as a charge diluent for the natural gas-fuelled test engine is addressed first. The decision to use EGR is based on the potentially lower NOx and unburned hydrocarbon emissions that could be achieved if a three-way catalyst were applied to the engine. The effect of EGR on the spark advance for maximum brake torque (MBT), NOx, and unburned hydrocarbon emissions is then examined in detail. The effect on fuel efficiency is discussed briefly.


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    Titel :

    Examination of Charge Dilution with EGR to Reduce NOx Emissions from a Natural Gas-Fuelled 16 Valve DOHC Four-Cylinder Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Fuels & Lubricants Meeting & Exposition ; 1994



    Erscheinungsdatum :

    01.10.1994




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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