By installing a diesel after-treatment system such as DPF and/or SCR catalyst, temperature of exhaust gas from a tail pipe decreases due to higher heat capacity of those systems. Consequently, a proportion of the gas supersaturating state increases, and it may result in an emission of visible white smoke especially in the case of a heavy duty diesel engine at cold operation range. In this study, a CFD simulation was carried out to predict the white smoke from the tail pipe. The validity of the CFD simulation approach was evaluated in a rig test prior to the simulation and the utility of the simulation results were examinated in on-vehicle tests.


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    Title :

    CFD prediction of visible white smoke from the tail-pipe of a heavy-duty vehicle


    Additional title:

    CFD-basierende Vorhersage des sichtbaren Weißrauchs am Abgasrohr eines Schwerlastfahrzeuges


    Contributors:

    Published in:

    Publication date :

    2007


    Size :

    6 Seiten, 13 Bilder, 3 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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