The gasoline-fuelled direct injection poppet-valved two-stroke engine described in (1) has been built in single cylinder form and tested to evaluate the potential of this concept as a passenger car powerplant. Development of the combustion and scavenge system is described.Following development, the engine produced a specific power output of 90 kW/litre at 5000 rev/min, with a peak torque of 200 Nm/litre at 2000-2500 rev/min. HC emissions were maintained in the range 3-15 g/kWh over the majority of the engine operating range and NOx emissions in the load range used in the FTP drive cycle were less than 3 g/kWh. Part load fuel consumption under steady state conditions was 8% lower than for a stoichiometric four-stroke engine sized for equal power output.


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    Titel :

    Development Experience of a Poppet-Valved Two-Stroke Flagship Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hundleby, G.E. (Autor:in) / Stokes, J. (Autor:in) / Christie, M.J. (Autor:in) / Lake, T.H. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1992



    Erscheinungsdatum :

    01.02.1992




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Development experience of a poppet-valved two-stroke flagship engine

    Stokes,J. / Hundleby,G.E. / Lake,T.H. et al. | Kraftfahrwesen | 1992



    Development of a poppet-valvet two-stroke engine - the flagship concept

    Hundleby,G.E. / Ricardo Consulting,GB | Kraftfahrwesen | 1990


    Scavenging Flow Simulation of a Four-Poppet-Valved Two-Stroke Engine

    Choi, Chang Ryol / Huh, Kang Y. / Kim, Ku Kyong et al. | SAE Technical Papers | 1993


    Scavenging flow simulation of a four-poppet-valved two-stroke engine

    Huh,K.Y. / Kim,K.K. / Choi,C.R. et al. | Kraftfahrwesen | 1993