Near-term advances in spark ignition (SI) engine technology (e.g., variable value lift [VVL], gasoline direct injection [GDI], cylinder deactivation, turbo downsizing) for passenger vehicles hold promise of delivering significant fuel savings for vehicles of the immediate future. Similarly, trends in transmissions indicate higher (8-speed, 9-speed) gear numbers, higher spans, and a focus on downspeeding to improve engine efficiency. Dual-clutch transmissions, which exhibit higher efficiency in lower gears, than the traditional automatics, and are being introduced in the light-duty vehicle segment worldwide. Another development requiring low investment and delivering immediate benefits has been the adaptation of start-stop (micro hybrids or idle engine stop technology) technology in vehicles today. This paper evaluates the impact of each of these technologies (engines, transmissions, start-stop) on the fuel economy and performance of a compact car in the year 2020 through the use of vehicle system simulation.


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    Titel :

    Impact of Advanced Engine and Powertrain Technologies on Engine Operation and Fuel Consumption for Future Vehicles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Moawad, Ayman (Autor:in) / Rousseau, Aymeric (Autor:in) / Delhom, Jeremy (Autor:in) / Lemazurier, Lori (Autor:in) / Kim, Namdoo (Autor:in) / Shidore, Neeraj (Autor:in) / Bonkoski, Phillip (Autor:in)

    Kongress:

    SAE 2015 World Congress & Exhibition ; 2015



    Erscheinungsdatum :

    2015-04-14




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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