For the application to Gasoline Homogenous Charge Compression Ignition (HCCI) modeling, a multi-zone model was developed. For this purpose, the detailed-chemistry code SENKIN from the CHEMKIN library was modified. In a previous paper, the authors explained how piston motion and a heat transfer model were implemented in the SENKIN code to make it applicable to engine modeling. The single-zone model developed was successfully implemented in the engine cycle simulation code AVL BOOST™.A multi-zone model, including a crevice volume, a quench layer and multiple core zones, is introduced here. A temperature distribution specified over these zones gives this model a wider range of application than the single-zone model, since fuel efficiency, emissions and heat release can now be predicted more accurately. The SENKIN-BOOST multi-zone model predictions are compared with experimental data. This demonstrates that the model can accurately predict fuel consumption, emissions and IMEP for a wide range of experimental operating conditions. An examination of the general trends predicted by the model (e.g. calculated fuel consumption, residual gas fraction and emissions as a function of IMEP) indicates that the proposed multi-zone model is a promising advance in Gasoline HCCI computer modeling.


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    Title :

    Gasoline HCCI Modeling: An Engine Cycle Simulation Code with a Multi-Zone Combustion Model


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Spring Fuels & Lubricants Meeting & Exhibition ; 2002



    Publication date :

    2002-05-06




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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