Experimental data were obtained on a single cylinder spark ignition engine to determine the relationships between compression ratio, air-fuel ratio, performance, thermal efficiency and emissions using natural gas as fuel. The study was carried out using minimum spark timing for best torque (MBT) with air-fuel ratio varied from rich to the lean limit and compression ratios ranging from 8.4:1 to 18.5:1 while using natural gas. Data on thermal efficiency and emissions from the natural gas tests at optimized compression and air-fuel ratios are compared with similar data from gasoline and natural gas at the baseline compression ratio of 8.4:1.


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    Title :

    Potential for Improving the Efficiency of a Spark Ignition Engine for Natural Gas Fuel


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1985 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1985



    Publication date :

    1985-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English