The gas-phase exhaust emissions which resulted when a variably timed, variable mass of water was injected directly into the cylinder of a spark-ignition engine are reported. The experimental setup and the procedure used in the investigation are also described. Conclusions are drawn with regard to the optimum injection timing and amount of water introduced. Generally, direct-cylinder injection of water reduces NO, increases unburned HC, and does not effect CO and CO2. For a fixed-ignition timing, power also deteriorates. Another finding of this investigation is that direct-cylinder injection does result in NO reductions of better than 85% while using about one-third the mass of water required by manifold injection to effect a similar reduction.


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    Titel :

    Emissions from a Direct-Cylinder Water-Injected Spark-Ignition Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Colony, C. M. (Autor:in) / Lestz, S. S. (Autor:in) / Meyer, W. E. (Autor:in)

    Kongress:

    1972 Automotive Engineering Congress and Exposition ; 1972



    Erscheinungsdatum :

    1972-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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