This paper compares the fuel consumption of lightweight passengers cars with three different types of engine (one low speed and one high speed naturally aspirated spark ignited, one turbo-charged compression ignited) and two different types of transmission (continuously variable transmission (CVT) and automated gear drive). All fuel consumption results are obtained using a quasi-static driving cycle simulator. The implemented models are described in detail. The engines are represented through their efficiency maps, which are obtained by scaling published data. Efficiency of the transmission (CVT or gear drive) is modelled in dependence on speed, torque and gear ratio. The simulations show that low fuel consumption can be achieved with all those concepts. CVTs show similar results to automated gear drives. The CVT's theoretical advantage of operating the engine at its most fuel-efficient points is compensated by the relatively low efficiency.


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    Titel :

    Performance simulations of engine-gearbox combinations for lightweight passenger cars


    Beteiligte:
    Soltic, P. (Autor:in) / Guzzella, L. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    13 Seiten, 13 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






    Performance simulations of engine-gearbox combinations for lightweight passenger cars

    Soltic,P. / Guzzella,L. / Swiss Federal Inst.of Technol.,ETH,CH | Kraftfahrwesen | 2001


    High Efficient Engine for Lightweight Passenger Cars

    Ikoma, K. / Matsuzaki, T. / Ibaraki, M. et al. | British Library Online Contents | 1996


    Optimum SI Engine Based Powertrain Systems for Lightweight Passenger Cars

    Soltic, P. / Guzzella, L. / Society of Automotive Engineers | British Library Conference Proceedings | 2000