An axially stratified, fuel-air mixture can be produced in an engine cylinder using inlet-port fuel injection and air swirl. Past work has shown that stratification decreased as fuel volatility decreased. This paper shows that the reason for this relationship is the entry of fuel droplets into the cylinder prior to the start of fuel injection. This phenomenon, presumably caused by wall wetting in the inlet port, increased the mixing of the fuel and air which reduced the stratification. Also, it was shown that (a) droplets were not uniformly distributed throughout the cylinder, (b) droplets were completely vaporized prior to ignition, and (c) the largest droplets entered the cylinder under low inlet flow conditions.


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    Titel :

    Fuel Droplets inside the Cylinder of a Spark Ignition Engine with Axial Stratification


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE International Congress and Exposition ; 1982



    Erscheinungsdatum :

    01.02.1982




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Fuel Droplets inside the Cylinder of a Spark Ignition Engine with Axial Stratification

    Peters,B.D. / General Motors Res.Lab.,US | Kraftfahrwesen | 1982


    Fuel Droplets Inside the Cylinder of a Spark Ignition Engine with Axial Stratification

    Peters, R. D. / SAE | British Library Conference Proceedings | 1989


    Fuel Droplets Inside a Firing Spark-Ignition Engine

    Taylor, A.M.K.P. / Vannobel, F. / Whitelaw, J.H. et al. | SAE Technical Papers | 1994


    Fuel Droplets Inside a Firing Spark-Ignition Engine

    Posylkin, M. / Taylor, A. M. K. P. / Vannobel, F. et al. | British Library Conference Proceedings | 1994