Engine designers need an objective measurement which can be tested on the engine to indicate acceptable idle quality. An experiment was performed to select objective measures based on cylinder pressure data, and two measures were selected. Standard deviation of indicated mean effective pressure (SDimep) is a measure of the statistical instability of combustion. Lowest normalized value (LNV) is a measure of the tendency toward misfire.These two measures are shown for a set of typical engines. The body of data shows the relation of SDimep and LNV to burn duration and timing.


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    Titel :

    Relating Subjective Idle Quality to Engine Combustion


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hoard, John (Autor:in) / Rehagen, Larry (Autor:in)

    Kongress:

    International Congress & Exposition ; 1997



    Erscheinungsdatum :

    24.02.1997




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Relating subjective idle quality to engine combustion

    Hoard,J. / Rehagen,L. / Ford Motor,US | Kraftfahrwesen | 1997


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    Teng, C. / Society of Automotive Engineers | British Library Conference Proceedings | 2005