The spray propagation and disintegration is investigated in a pressure chamber. With Particle Image Velocimetry the direction and velocity of both, fuel droplets and induced gas flow are detected. By means of shadow photographs the spray cone geometry is visualized. To verify the predictions made of the measurements mentioned above and to rate the quality of the tuning of the parameters in-cylinder gas flow, injection pressure, position of Injector and position of spark plug under real engine conditions, a fast gas sampling valve is used in three different engines. The in-cylinder gas temperature and the soot concentration are measured crank angle resolved by means of the Two-Colour-Method in a 1-cylinder GDI-engine. The soot concentration and temperature show the influence of the injection pressure on emissions like soot and nitric oxide.


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    Titel :

    Investigations of Mixture Formation and Combustion in Gasoline Direct Injection Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kubach, Heiko (Autor:in) / Gindele, Jörg (Autor:in) / Spicher, Ulrich (Autor:in)

    Kongress:

    Spring Fuels & Lubricants Meeting & Exhibition ; 2002



    Erscheinungsdatum :

    2001-09-24




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Investigations of mixture formation and combustion in gasoline direct injection engines

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    Aspects of mixture formation and combustion in gasoline direct injection engines

    Stan,C. / Guenther,S. / Martorano,L. et al. | Kraftfahrwesen | 2000



    Direct injection gasoline engines - combustion and design

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    Direct Injection Gasoline Engines - Combustion and Design

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