The fossil fuel consumption and the related environmental impact are important issues for the world research community: hydrogen seems to be a good alternative to fossil fuels provided that it is produced from renewable energy sources.The aim of the present work is the comparison between natural gas and a hydrogen-natural gas blend (HCNG in the following) in terms of exhaust emissions and fuel consumption. A passenger car has been tested on a chassis dynamometer according to the European emission regulations, without any change on engine calibration (i.e. spark advance). The HCNG blend used during the test has a 12% vol. of hydrogen content.CO emissions showed a reduction of about 19% when HCNG blend is used, while HC emissions remained constant. A 70% increase was observed for NOx emissions with HCNG. A 3% reduction for CO2 emission was observed using HCNG because of the lower carbon content in the blend and the reduced fuel consumption on a mass basis. There is not significant variation of fuel consumption on energy basis, probably due to the effect of a non optimal ignition timing.


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    Titel :

    The Impact of Natural Gas-Hydrogen Blends on Internal Combustion Engines Performance and Emissions


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Mariani, A. (Autor:in) / Unich, A. (Autor:in) / Morrone, B. (Autor:in) / Prati, M. V. (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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