Motivated by the possibility of future emission regulations based on particle number as well as mass, after-treatment of ultrafine particles by a cordierite wallflow filter has been investigated. In a laboratory simulation, synthetic carbon particles of known size and concentration in air were captured with number-based efficiency exceeding 70% in the 20–100 nm size range. Effects of temperature, up to 400°C, filter loading time and ambient-temperature sample dilution have been quantified. Steady-speed and European drive cycle results for the same filter fitted to a passenger car with gasoline direct-injection engine have shown promising reductions in emissions, except at the highest speed of the cycle.


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    Titel :

    Experimental Evaluation of a Wall-Flow Filter for Gasoline Engine Particulate Emission Control


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Arcoumanis, C. (Autor:in) / Shrimpton, J. S. (Autor:in) / Rubino, L. (Autor:in) / Crane, R. I. (Autor:in)

    Kongress:

    2001 Internal Combustion Engines ; 2001



    Erscheinungsdatum :

    23.09.2001




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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