Alternative and renewable fuels show tremendous promise for addressing concerns of energy security, energy supply, and CO₂ emissions. However, the new fuels have the potential to produce non-regulated exhaust components that may be as detrimental or worse, than currently regulated emissions components. For the 2009 SAE Clean Snowmobile Challenge (CSC), a commercially available Fourier Transform Infrared (FTIR) spectrometer was used to sample raw exhaust from eight student teams' snowmobiles for comparative analysis with a conventional emissions bench. The levels of CO₂, CO, NO, O₂, and THC were compared for the five operating modes, which included both gasoline- and diesel-powered snowmobiles. The fuel was either an ethanol blend for spark-ignition engines or a biodiesel for compression-ignition engines. Final emissions result scores varied by less than 2% between the conventional emissions bench and the FTIR. In addition, due to the ability of the FTIR to measure non-regulated exhaust species, significantly increased levels of formaldehyde and ammonia were detected for some of the engine and exhaust configurations that displayed significant reductions in regulated emissions.


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    Titel :

    Measurement of Regulated and Unregulated Exhaust Emissions from Snowmobiles in the 2009 SAE Clean Snowmobile Challenge


    Weitere Titelangaben:

    Sae Int. J. Fuels Lubr
    Sae International Journal of Fuels and Lubricants


    Beteiligte:
    Green, Christopher (Autor:in) / Meldrum, Jay (Autor:in) / Chmielewski, Matt (Autor:in) / Miers, Scott A. (Autor:in)

    Kongress:

    Small Engine Technology Conference & Exposition ; 2010


    Erschienen in:

    Erscheinungsdatum :

    2010-09-28


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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