ATAC (Active Thermo-Atmosphere Combustion) is stable at its lean limit because it is bulk-like and non-propagating in nature and is initiated by self-ignition. A low heat rejection methanol-fueled engine was used to investigate the influence of making the fuel-air ratio leaner and increasing the combustion chamber wall temperature on cyclic variation of ATAC ignition and combustion. The cyclic variation of self-ignition timing, combustion duration, total heat release, and instantaneous wall heat flux was analyzed, from which correlations between self-ignition timing and combustion duration, self-ignition timing and total heat release, and combustion duration and total heat release were obtained.


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    Title :

    Self-ignition and combustion stability in a methanol fueled low heat rejection ceramic ATAC engine - analysis of cyclic variation at high wall temperatures and lean burn operation


    Additional title:

    Selbstzündung und Stabilität der Verbrennung in einem mit Methanol betriebenen Keramik ATAC-Motor - Analyse der zyklischen Abweichungen bei hohen Temperaturen der Brennraumwand und Magerbetrieb


    Contributors:
    Iida, N. (author) / Ichikura, T. (author) / Kase, K. (author) / Enomoto, Y. (author)

    Published in:

    JSAE Review ; 18 , 3 ; 233-240


    Publication date :

    1997


    Size :

    8 Seiten, 16 Bilder, 1 Tabelle, 7 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English