The continued pursuit in Europe for lower emissions from transport vehicles now identifies several new areas to be targeted as their total emissions become ever more significant when compared to the continued decrease in automotive emissions. One such transport area that now faces pressure in the reduction of exhaust emissions, is the scooter/ moped market. The new ECE R47 cycle that governs the operational mode of the vehicle specifies a typical driving cycle over which the total emissions are collected and analysed.This paper evaluates a carburetted 50 cc moped over such a cycle and from the results ascertains the possibility of catalysing the exhaust gas to achieve acceptable limits. An empirical catalyst model is used to predict exhaust gas and substrate bed temperatures with the view to prolonging durability of the catalyst support. Results are presented for operating strategies which offer better long-term durability.


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    Title :

    The Viability of Catalysing a Carburetted 50cc Two-Stroke Cycle Engine for Moped Applications


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Off-Highway & Powerplant Congress & Exposition ; 1995



    Publication date :

    1995-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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