In this paper, first results regarding measurements of fuel consumption and emissions, relative to different traffic conditions and a specific urban area, are presented. The experimental approach used for the evaluation of emissions consists in: a) recording on-road car and engine operating conditions during designed trips performed in the center of Naples (Italy) by an instrumented car, b) determining by multivariate statistical analysis driving cycles characterizing typical traffic conditions, c) measuring emissions and fuel consumption in laboratory using defined driving cycles. Fuel flow rate measurements are performed at each second, while emissions are detected along a cycle and an average value per kilometer is obtained. Operating conditions of engine during laboratory testing are related to on-road operating conditions by comparing fuel consumption and exhaust gases temperatures measurements performed on-road and in laboratory by the same device.


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    Title :

    Experimental Evaluation of Fuel Consumption and Emissions in Congested Urban Traffic


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1995 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1995



    Publication date :

    1995-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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