An investigation was conducted to elucidate, how the latest turbocharged, direct injection Volkswagen diesel engine generation with cylinder pressure based closed loop control, to be launched in the US in 2008, reacts to fuel variability. A de-correlated fuels matrix was designed to bracket the range of US market fuel properties, which allowed a clear correlation of individual fuel properties with engine response. The test program consisting of steady state operating points showed that cylinder pressure based closed loop control successfully levels out the influence of fuel ignition quality, showing the effectiveness of this new technology for markets with a wide range of fuel qualities. However, it also showed that within the cetane range tested (39 to 55), despite the constant combustion mid-point, cetane number still has an influence on particulate and gaseous emissions. Volatility and energy density also influence the engine's behavior, but less strongly.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    The Response of a Closed Loop Controlled Diesel Engine on Fuel Variation


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Powertrains, Fuels and Lubricants Meeting ; 2008



    Publication date :

    2008-10-06




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    The response of a closed loop controlled diesel engine on fuel variation

    Liebig,D. / Krane,W. / Ziman,P. et al. | Automotive engineering | 2008


    The Response of a Closed Loop Controlled Diesel Engine on Fuel Variation

    Liebig, D. / Krane, W. / Ziman, P. et al. | British Library Conference Proceedings | 2008



    Electronically-controlled, closed-loop dual-fuel conversion system for diesel engines

    Electronic Fuel Control,US | Automotive engineering | 1995


    Potential for Closed Loop Air-Fuel Ratio Management of a Diesel Engine

    Oppenheim, A. K. / Li, S. C. / Johnson, W. P. | SAE Technical Papers | 1999