A two-dimensional mathematical model of a monolithic catalyst support, based on a zonal approach, is developed to describe the heat interactions between the monolith channels. The development of such model is a step towards its incorporation in the complete thermal systems model of the propulsion powerplant. The model conservation equations are discretized using the finite volume method and a numerical solution method is presented. The model is validated using the experimental data available in literature for two cases: a steady state, non-reacting, non-adiabatic two-dimensional case and a transient (warm-up), one-dimensional reacting case. Comparison with literature experimental data showed good agreement. The zonal approach where multi-channel zones are used is demonstrated to provide robust and efficient simulation with significantly reduced simulation times compared with a single channel per zone grid, without introducing large errors.


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    Title :

    Modelling the monolithic exhaust converter/fuel reformer reactor—a zonal approach


    Contributors:
    Chow, A (author) / Wyszynski, M. L. (author)


    Publication date :

    2000-08-01


    Size :

    13 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Modelling the monolithic exhaust converter/fuel reformer reactor - a zonal approach

    Chow,A. / Wyszynski,M.L. / Univ.of Birmingham,GB | Automotive engineering | 2000



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