An experimental investigation was made to determine the effect of torch nozzle orientation on burn rate, power, fuel consumption and exhaust emissions. With the torch nozzle directed diametrically across the combustion chamber the burn rate and the power were maximized. Exhaust emissions were inversely proportional to burn rate and ISFC.The torch chamber was also investigated as a means of augmenting post combustion turbulence to improve the mixing of the quench layer and thereby reduce the exhaust HC's. A dual ignition, single torch system was tested. It was found that the torch could be activated as much as 90 crank degrees after conventional ignition occurred. The late firing torch was effective in providing additional energy to supplement the cylinder turbulence. The reduction in HC emissions was achieved at the expense of increased fuel consumption.


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    Titel :

    Torch Ignition for Combustion Control of Lean Mixtures


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Adams, Tim G. (Autor:in)

    Kongress:

    1979 Automotive Engineering Congress and Exposition ; 1979



    Erscheinungsdatum :

    1979-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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