The objective of this study is to achieve high reduction of NOx emissions in a medium-speed single-cylinder research engine. The main feature of this research engine is that the gas exchange valve timing is completely adjustable with electro-hydraulic actuators. The study is carried out at high engine load and using a very advanced Miller valve timing. Since the engine has no turbocharger, but a separate charge air system, 1-D simulations are carried out to find the engine setup, which would be close to the operating points of a real engine. The obtained NOx reduction is over 40% with no penalty in fuel consumption.


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    Title :

    NOx Reduction in a Medium-Speed Single-Cylinder Diesel Engine using Miller Cycle with Very Advanced Valve Timing


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    9th International Conference on Engines and Vehicles ; 2009



    Publication date :

    2009-09-13




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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