Combustion behavior of the SOF (Soluble organic fraction) fraction of diesel particulate by flow-thru type diesel oxidation catalysts (DOC) was studied. A two brick DOC system with an air gap showed higher SOF performance than a single brick DOC of the same total volume. Collision frequency of the TPM (total particulate matter) to the catalyst layer was studied by calculation of the turbulence energy in the gas flow channel. No large difference in collision frequency was observed between one brick and two bricks. The front face effect was calculated from the geometric surface and it was confirmed that such an effect was small in the two brick DOC case. The SOF performance advantage for the two brick DOC system separated by an air gap was due to a thermo-mass effect created by reducing the DOC volume.


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    Title :

    SOF Combustion Behavior in Flow-thru Diesel Oxidation Catalysts


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    2004 SAE Fuels & Lubricants Meeting & Exhibition ; 2004



    Publication date :

    2004-06-08




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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