Concern in Europe about the environmental impact of the car has lead to ever more stringent emission legislation, and in the near future, conformance to this emission legislation to extended mileage, typically 50,000 miles, will be required.Vehicle manufacturers prove out this conformance by emission testing vehicles at this extended mileage. Mileage accumulation takes several months, so there is a clear need to develop a process which replicates this vehicle aging in a much reduced time frame and cost. This paper describes an engine dynamometer based catalyst aging process and the correlation to European ‘worst case’ 50,000 miles vehicle aged catalysts. Correlations have been achieved for close-coupled catalysts taken from a 1.3 8V and 1.25 16V B-Car sized vehicle. The significance of this correlation allows representative vehicle aged catalysts to be delivered in hours as opposed to months.


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    Title :

    Replication of 50K Vehicle Aged Catalyst Performance Using an Engine Dynamometer Aging Cycle


    Additional title:

    Sae Technical Papers


    Contributors:
    Kisenyi, J. (author) / Johnson, P. (author) / Hurley, R. (author)

    Conference:

    International Fuels & Lubricants Meeting & Exposition ; 1997



    Publication date :

    1997-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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