When alcohol is used as a fuel for an internal combustion engine, it tends to cause defects such as reduction of thermal efficiency or increased exhaust of unburnt alcohol because alcohol has large vaporizing latent heat. In order to overcome such defects, the authors have developed a method called 'flash boiling injection' whereby alcohol is injected after being heated. Flash boiling is a phenomenon whereby a fluid boils instantaneously when the pressure around the fluid decrease below its saturation pressure. It is possible to make the droplet size of spray small, the angle of sprac large and the spray travel short by applying this principle. As a result, a combustible mixture is formed in a cylinder to improve the thermal efficiency of the engine and reduce the exhaust emission of unburnt alcohol. Applying this technique, the authors have succeeded in running an open chamber engine without throttling to improve the thermal efficiency at partial load. (Wassmann)


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    Titel :

    Improvement of alcohol engine performance by flash boiling injection


    Weitere Titelangaben:

    Verbesserung des Wirkungsgrades von Alkoholmotoren durch 'flash boiling'-Einspritzung


    Beteiligte:
    Kim, Y.K. (Autor:in) / Iwai, N. (Autor:in) / Suto, H. (Autor:in) / Tsuruga, T. (Autor:in)

    Erschienen in:

    JSAE Review ; 2 ; 81-86


    Erscheinungsdatum :

    1980


    Format / Umfang :

    6 Seiten, 14 Bilder


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Improvement of Alcohol Engine Performance by Flash Boiling Injection

    Kim,Y.K. / Iwai,N. / Suto,H. et al. | Kraftfahrwesen | 1980



    Combustion improvement of a premixed charge compression ignition methanol engine using flash boiling fuel injection

    Seko,T. / Kuroda,E. / Japan Automobile Research Inst.,JP | Kraftfahrwesen | 2001


    Flash boiling Injection Improves Performance of Methanol Engines

    Suto,H. / Iwai,N. / Tsuruga,T. et al. | Kraftfahrwesen | 1977


    Flash boiling effects in the development of gasoline direct-injection engine sprays

    Schmitz,I. / Ipp,W. / Leipertz,A. et al. | Kraftfahrwesen | 2002