The hunting phenomenon which occurs at the lean air-fuel ratio and under light load conditions was studied in the previous paper and it was disclosed that this was not “mechanical hunting” and the fuel flow delay into the cylinder had a dominant effect on this “lean hunting”. This paper describes first, the experiments which demonstrate that such a fuel flow delay can occur by changing the throttle position sinusoidally in various periods, and that Pmax (the maximum pressure in the cylinder) responds quite differently according to the magnitude of the air-fuel ratio; secondly, the effects of ignition energy and ignition timing on the lean hunting were also studied.


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    Titel :

    The Lean Hunting Phenomenon in Gasoline Engines - part 2


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1988 SAE International Off-Highway and Powerplant Congress and Exposition ; 1988



    Erscheinungsdatum :

    01.09.1988




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    The lean hunting phenomenon in gasoline engines - part 2

    Tanaka,M. / Yae,K. / Mochizuki,S. et al. | Kraftfahrwesen | 1988


    The lean hunting phenomenon in gasoline engines

    Tanaka,M. / Mochizuki,S. / Nishiwaki,N. et al. | Kraftfahrwesen | 1987


    The Lean Hunting Phenomenon in Gasoline Engines

    Miyake, Masataka / Tanaka, Munenobu / Nishiwaki, Nobuhiko et al. | SAE Technical Papers | 1987


    A simulation of lean hunting in gasoline engines

    Watanabe,Y. / Tanaka,M. / Kyushu Tokai Univ.,JP | Kraftfahrwesen | 1991


    A Simulation of Lean Hunting in Gasoline Engines

    Tanaka, Munenobu / Watanabe, Yoshinori | SAE Technical Papers | 1991