The current publication considers several methodologies to minimize tailpipe (TP) nitrogen oxides (NOx) emissions during cold start operation. A standard, 2019 aftertreatment design of diesel oxidation catalyst (DOC), diesel particulate filter (DPF), and selective catalytic reduction (SCR)/ammonia oxidation catalyst (AMOX) was used as the baseline. Cold start NOx conversion and TP NOx emissions improvements were measured when a larger SCR, dual diesel exhaust fluid (DEF) dosing, and an electric heater were added to the exhaust configuration. Additional improvements were achieved by an improved cold start combustion mode was developed.


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    Titel :

    Methodology for Controlling Nitrogen Oxides Emissions during Cold Start


    Weitere Titelangaben:

    Sae Int. J. Commer. Veh


    Beteiligte:
    Adelman, Brad (Autor:in) / Manis, Joshua (Autor:in) / Singh, Navtej (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2021-09-02


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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