There are distinct operational mixture limits beyond which satisfactory spark ignition engine performance can not be maintained. The values of these limit mixtures which depend on the mode of their determination, are affected by numerous operational and design factors that include the type of engine and fuel used. Simple approximate methods are presented for predicting these limits. Good agreement is shown to exist between the calculated and the corresponding experimental values over a range of operating conditions while operating on the gaseous fuels: methane, propane and hydrogen. The experimentally observed operational limits deviate very substantially from the corresponding accepted flammability limit values for quiescent conditions evaluated at the average temperature and pressure prevailing at the instant of the spark passage.


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    Title :

    Examination of Operational Limits in Gas Fueled Spark Ignition Engines


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    CEC/SAE Spring Fuels & Lubricants Meeting & Exposition ; 2000



    Publication date :

    2000-06-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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