Sandia National Laboratory is developing from first principles a hydrogen fuelled internal combustion engine for driving an electrical generator that can be utilized either as a stationary power set or the auxiliary power unit in a hybrid vehicle. The intent is to take advantage of hydrogen's unique fuel characteristics and the constant speed characteristics of generator sets to maximize thermal efficiency while minimizing emissions. The current experiments utilize a flat cylinder combustion chamber shape with two ignition points at high (14 : 1) compression ratio. Emissions and indicated thermal efficiency measurements with fuels of hydrogen, natural gas and a blend confirm low emissions and high thermal efficiency. CFD modelling done by Los Alamos National Laboratory (Los Alamos, NM) using their KIVA code is helping to further direct variations in the experimental design space.


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    Title :

    A hydrogen fuelled internal combustion engine designed for single speed/power operation


    Additional title:

    Ein mit Wasserstoff betriebener Verbrennungsmotor für den Betrieb bei konstanter Drehzahl/Leistung


    Contributors:

    Published in:

    Publication date :

    1998


    Size :

    7 Seiten, 8 Bilder, 4 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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