The measurement of vehicle modal emissions is technically challenging due to the major issue of determining exhaust gas mass flow rate and ensuring that it is synchronous with the emission measurement of that corresponding ‘slug’ of exhaust gas. This is very evident when attempting to measure small passive NOx catalyst conversion efficiencies. This paper highlights alignment issues with regard to the variation of time delays associated with engine and vehicle events and the CO2 tracer method for determining exhaust gas flows.


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    Titel :

    Further Investigations on Time-Alignment


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Cox, A. (Autor:in) / Bannister, C. D. (Autor:in) / Brace, C. J. (Autor:in) / Ketcher, D. (Autor:in) / Hawley, J. G. (Autor:in) / Stark, R. (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    2004-03-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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