Partially oxygenated hydrocarbons produced from natural gas have been shown to be viable alternative fuels for the diesel engine, showing favorable combustion characteristics similar to that of diesel fuel but without exhaust particulates and with significantly reduced NOx emissons and lower engine noise. Further, engine studies have demonstrated that such compounds, like dimethyl ether (DME), can be injected at much lower pressures than conventional diesel fuel with better overall performance. This experimental study compares the injection of DME to that of conventional diesel fuel. Both fuels were injected into a quiencent high pressure chamber containing nitrogen at pressures up to 25 atmospheres at room temperature with a pintle nozzle and jerk pump. Comparisions were obtained with high speed photography using a Hycam camera. Results indicate that there are significant differences in spray geometry and penetration which are not predictable with analytical models currently used for diesel fuels.


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    Titel :

    High pressure injection of dimethyl ether


    Weitere Titelangaben:

    Hochdruckeinspritzung von Dimethyl-Äther


    Beteiligte:
    Glensvig, M. (Autor:in) / Sorenson, S.C. (Autor:in) / Abata, D. (Autor:in)


    Erscheinungsdatum :

    1996


    Format / Umfang :

    6 Seiten, 11 Bilder, 4 Tabellen, 8 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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