Novel Combustion technologies and strategies show high potential in reducing the fuel consumption of gasoline spark ignition (SI) engines. In this paper, a comparison between various gasoline combustion concepts at two representative engine operating points is shown. Advantages of the combustion concepts are analyzed using thermodynamic split of losses method. In this paper, a tool for thermodynamic assessment (Split of Losses) of conventional and new operating strategies of SI engine and its derivatives is used.Technologies, like variable valve actuation and/or gasoline direct injection, allow new strategies to run the SI engine unthrottled with early inlet valve closing (SI-VVA) combined with high EGR, charge stratification (SI-STRAT) and controlled auto ignition (CAI), also known as gasoline homogeneous charge compression ignition (HCCI). These diverse combustion concepts show thermodynamic gains that stem from several, often different sources.This thermodynamic gains will be pointed out herein and the differences will be described and analyzed in detail to highlight the merits of the different combustion concepts.


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    Titel :

    Thermodynamic Analysis and Benchmark of Various Gasoline Combustion Concepts


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kulzer, André (Autor:in) / Christ, Ansgar (Autor:in) / Sauer, Christina (Autor:in) / Würfel, Gernot (Autor:in) / Rauscher, Martin (Autor:in) / Blank, Thomas (Autor:in)

    Kongress:

    SAE 2006 World Congress & Exhibition ; 2006



    Erscheinungsdatum :

    03.04.2006




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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