A major on-road remote sensing emission measurement campaign was carried out in 2007 in Göteborg, Sweden, in order to provide on-road emission data for an evaluation of the three major road transport emission models in Europe, i.e. the COPERT 4 model, the Handbook of Emission Factors (HBEFA 2.1), and the recently developed ARTEMIS Road Model. The University of Denver's latest generation remote sensing instrument, capable of measuring tailpipe concentrations of conventional remote sensing parameters CO, HC, NO and CO2, as well as new parameters NO2, NH3 and SO2, was used at four different sites representing different driving pattern and fleet compositions. In all, the on-road measurements comprised more than 15000 vehicles. From license plate recognition, the remote sensing data could be allocated to individual vehicles of known age, Euro-class, size, fuel type, power, etc. For each site, average on-road emission factors, expressed as grams pollutant emitted per liter fuel burned, by vehicle category (PC (passenger car), LCV (light-duty goods vehicle), HGV (heavy-duty goods vehicle) and buses), technology/fuel type (e.g. petrol, diesel) and Euro-class, were compared with corresponding outputs from the three emission models. In this study the performance of the three pan-European emission models has been proven for several vehicle categories, traffic situations and pollutants, but some lacks in model performance have also been demonstrated in some cases, as for NOx for gasoline passenger cars at higher speeds and NOx for diesel vehicles, both light- and heavy-duty, in which cases all models investigated tend to underpredict emissions, in particular for the more recent and stringent emission concepts.


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    Titel :

    Evaluation of European road transport emission models against on-road emission data as measured optical remote sensing


    Beteiligte:
    Sjödin, Ake (Autor:in) / Jerksjö, Martin (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    10 Seiten, 4 Bilder, 4 Tabellen, 16 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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