A lean-burn CNG heavy-duty engine, derived from a Diesel engine, provided the same performance of the Diesel engine and very low smoke emissions. Moreover higher thermal efficiency respect to stoichiometric engines was obtained. The engine met 91/542 CEE European emission limits for CO, NO(x), HC and particulate if a catalytic converter to oxidize total hydrocarbons was used. The speciation of VOC (Volatile Organic Compounds) was performed in order to measure non-methane hydrocarbon emissions and to evaluate the effect of catalyst on individual organic compounds. As expected methane resulted the main component of the exhaust hydrocarbons (more than 90 %), consequently the engine could be able to comply with future stricter emission standard if only non-methane HC were taken into account.


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    Title :

    Lean-burn technology for CNG heavy duty engines


    Additional title:

    Magerverbrennungstechnologie für Motoren, die mit komprimiertem Erdgas betrieben werden und für den Schwerlastverkehr vorgesehen sind


    Contributors:
    Gambino, M. (author) / Corbo, P. (author) / Iannaccone, S. (author) / Unich, A. (author)


    Publication date :

    1994


    Size :

    7 Seiten, 4 Bilder, 4 Tabellen, 6 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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    Lean-Burn Technology for CNG Heavy Duty Engines

    Gambino, M. / Corbo, P. / Iannaccone, S. et al. | British Library Conference Proceedings | 1994


    Lean-Burn Technology for CNG Heavy Duty Engines

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    Lean-burn technology for CNG heavy duty engine

    Gambino,M. / Corbo,P. / Iannaccone,S. et al. | Automotive engineering | 1994


    Comparison Between Lean-Burn and Stoichiometric Technologies for CNG Heavy-Duty Engines

    Unich, A. / Gambino, M. / Corbo, P. et al. | SAE Technical Papers | 1995