Regulated and unregulated exhaust emissions (individual hydrocarbons, aldehydes and ketones, polynuclear aromatic hydrocarbons (PAH), and nitro-polynuclear aromatic hydrocarbons (NPAH)) were characterized for the following alternate diesel combustion modes: premixed charge compression ignition (PCCI), and low-temperature combustion (LTC). PCCI and LTC were studied on a PSA light-duty high-speed diesel engine. Engine-out emissions of carbonyl compounds were significantly increased for all LTC modes and for PCCI-Lean conditions as compared to diesel operation; however, PCCI-Rich produced much lower carbonyl emissions than diesel operations. For PAH compounds, emissions were found to be substantially increased over baseline diesel operation for LTC-Lean, LTC-Rich, and PCCI-Lean conditions. PCCI-Rich operation, however, gave PAH emission rates comparable to baseline diesel operation. Total NPAH emissions were much higher for LTC-Lean and LTC-Rich operation as compared to baseline diesel operation.


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    Titel :

    Unregulated Exhaust Emissions from Alternate Diesel Combustion Modes


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Pan, Joseph (Autor:in) / Khair, Magdi (Autor:in) / Merritt, Patrick (Autor:in) / Huang, Yiqun (Autor:in)

    Kongress:

    Powertrain & Fluid Systems Conference and Exhibition ; 2006



    Erscheinungsdatum :

    2006-10-16




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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