The present study experimentally investigated the performance and emission characteristics of the diesel engine with hydrogen added to the intake air at late diesel-fuel injection timings. The diesel-fuel injection timing and the hydrogen fraction in the intake mixture were varied while the gross heating value per second of diesel fuel and hydrogen was kept constant at a certain value. NO showed minimum at specific hydrogen fraction. The maximum rate of incylinder pressure rise also showed minimum at 10 vol% hydrogen fraction. The indicated thermal efficiency was almost constant or slightly increased with small amount of hydrogen. A combination of hydrogen addition and late diesel-fuel injection timing contributed to low temperature combustion, in which NO decreased without the increase in unburned fuel.


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    Titel :

    Effect of Hydrogen Fraction in Intake Mixture on Combustion and Exhaust Emission Characteristics of a Diesel Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kabashima, Hajime (Autor:in) / Mikami, Masato (Autor:in) / Kojima, Naoya (Autor:in) / Miyamoto, Toru (Autor:in) / Urata, Yasuhiro (Autor:in)

    Kongress:

    9th International Conference on Engines and Vehicles ; 2009



    Erscheinungsdatum :

    13.09.2009




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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