The optimization of mixture formation in diesel engines requires precise knowledge of the mechanisms of spray atomization and the correlation between injection and engine operating conditions and the parameters of the injection spray. The influence of the fuel properties will be shown considering both the temperature in the high-pressure chamber and the injection pressure as important variation parameters. A global temporally resolved visualization of the injection sprays is realized and information about the droplet size distributions in the spray are obtained by means of locally highly resolved laser-based measurement techniques. The low proportion of low-boiling components in heavy fuels is a significant cause for a deteriorated mixture formation. Higher temperature in the combustion chamber and higher injection pressure have a positive influence on the spray development as well as fuel evaporation.


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    Titel :

    Investigation of the Atomization and Evaporation of Diesel Fuel and Heavy Fuel Sprays Using Optical Measurement Techniques


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Astachow, Andrej (Autor:in) / Krüger, Grit (Autor:in) / Hintze, Kai (Autor:in) / Prescher, Karlheinz (Autor:in)

    Kongress:

    International Congress & Exposition ; 1999



    Erscheinungsdatum :

    01.03.1999




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Experimental Study on the Atomization and Evaporation Processes of Diesel Fuel Sprays

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    Experimental study on the atomization and evaporation processes of diesel fuel sprays

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