Within the scope of this work, the convective mass transfer to the zirconia sensor element of an exhaust oxygen sensor was analyzed experimentally and numerically. For the experimental setup, a heightened model of an oxygen sensor was built from Lucite® considering the similarity theory. Mass transfer is measured based on the absorption of ammonia and subsequent immediate color reaction.For the numerical investigation, a three-dimensional model of the test rig was built. To predict the flow pattern and the species transport inside the protection tubes, the commercial CFD-Code FLUENT® is used. The model for the mass transfer to the surface is implemented through user-defined functions.


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    Titel :

    Numerical and Experimental Analysis of the Mass Transfer in Exhaust Gas Sensors


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Mader, Gunda (Autor:in) / Piesche, Manfred (Autor:in) / Brück, Marc (Autor:in) / Klett, Sascha (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    2007-04-16




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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