The paper reports the results obtained in the EPEFE programme (European Programme on Emissions, Fuels and Engine Technologies) in the relation between diesel fuel properties and light duty vehicle technology. which were used as input for the further studies (i.e. air quality modelling) within the framework of the Europian Auto-Oil programme. The effects of density, polyaromatics, cetane number and back-end destilation (T95) were investigated in 17 light duty vehicles and 2 light duty trucks which were selected to reflect the range of technologies and vehicle configurations anticipated to meet predicted amissions requirements beyond 1996. All were fitted with oxidation catalysts. The measured pollutants included total hydrocarbons (HC), carbon monoxide (CO), nitrogen oxides (NOx) and particulates (PM) as well as hydrocarbon specifation and composotional analyses of particulates, tested to the European driving cycle for the year 2000. For the vehicle fleet as a whole, the largest percentage fuel effects were observed for HC, CO and PM. Linear regresion equations were derived expressing fleet emissions in terms of four targeted fuel properties. The interaction of fuel density with engine management system (EMS) was also investigated, specially the extent to which the observed density effects on emissions were affected by tuning the EMS. Significant differences in both emission levels and response to fuel property changes were observed between vehicles, and explanations for these observations are proposed in terms of specific vehicles technologies employed.


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    Titel :

    Light duty diesel study


    Weitere Titelangaben:

    Untersuchung des Dieselkraftstoffs für leichte Nutzfahrzeuge


    Beteiligte:
    Hublin, M. (Autor:in) / Gadd, P.G. (Autor:in) / Hall, D.E. (Autor:in) / Schindler, K.P. (Autor:in)


    Erscheinungsdatum :

    1996


    Format / Umfang :

    37 Seiten, 32 Bilder, 4 Tabellen, 7 Quellen




    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Print


    Sprache :

    Englisch




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