In this study, lean combustion concept was investigated to realize better Fuel Economy (FE) on a single cylinder motorcycle engine. A low-pressure direct injection (DI) system was applied to realize lean stratified combustion concept with good combustion stability. In addition, Exhaust Gas Recirculation (EGR) system applicable to small motorcycle engines was used to attain FE improvement and NOx reduction. EGR gas temperature and EGR return position were focused on and effects on FE and NOx were investigated. Computational Fluid Dynamics (CFD) was used to reveal EGR distribution and air motion in both the intake port and the cylinder.As a result, the influence of the stratified charge, EGR temperature and EGR return position on FE and NOx were explained quantitatively. These techniques were effective in reducing NOx and improving FE for a single cylinder motorcycle engine.


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    Titel :

    Effects on Fuel Economy and NOx Emission Using Stratified Charge and EGR System for a Single Cylinder Motorcycle Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kinoshita, Hisatoshi (Autor:in) / Takasu, Kouji (Autor:in) / Kato, Ryusuke (Autor:in)

    Kongress:

    Small Engine Technology Conference & Exposition ; 2008



    Erscheinungsdatum :

    09.09.2008




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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