To examine the effect of torch jet direction on the combustion characteristics and engine performances, a spark-ignition engine with each divided chamber having a torch nozzle of different flow direction is used by changing the torch nozzle area, prechamber volume and air-fuel ratio, while keeping the engine speed of 1000 rpm and the volumetric efficiency of ην ≃ (80 ± 2) % constant.Typical pressure diagrams for different torch jet directions are analyzed to obtain such combustion characteristics as the crank angles of combustion start and finish, heat release rate and mass burned fraction. The engine performances, e.g. mean effective pressure and specific fuel consumption, are also measured.As a result, it can be made clear not only the effect of torch jet direction on the combustion characteristics, but also the relationship between the combustion characteristics and the engine performances for different torch jet directions.


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    Titel :

    Effect of Torch Jet Direction on Combustion and Performance of a Prechamber Spark-Ignition Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Chtsu, Akihiko (Autor:in) / Ryu, Hano (Autor:in) / Asanuma, Tsuyoshi (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1987



    Erscheinungsdatum :

    01.02.1987




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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