Cold startability is one problem common to methanol vehicles because of methanol's low volatility. This study describes two necessary conditions for cold starting at -30°C: installing a cold start injector in the intake manifold and raising the Reid Vapor Pressure to 75.5 kPa. The cold start injector atomizes fuel to a 90- μ m average diameter in the intake ports and improves the mixture distribution at a temperature as cold as -30°C. Moreover, accomplishing cold starting requires that the indicated mean effective pressure of 686 kPa and above must be sustained until fast idling is reached.


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    Title :

    Improvement of Cold Startability Running on M85 Spark Ignition Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1992



    Publication date :

    1992-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English



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