This paper reports efforts to study the effect of various injection parameters on macro characteristics of diesel sprays generated by a state-of-the-art common-rail injection system. The main purpose is to validate and extend various correlations available in the literature to the case of sprays generated by common-rail injection systems which are characterized by high injection pressures and small orifice diameters. Experiments were conducted by spraying into a quiescent atmosphere at room temperature. Densities close to in-cylinder conditions at the start of injection were established using pressurized nitrogen. While the measured macro characteristics - spray penetration length and spray cone angle - agreed well with established correlations, distinct deviations could be observed. Possible explanations for such deviations are discussed.


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    Title :

    Injection Parameter Effects on Diesel Spray Characteristics


    Additional title:

    Sae Technical Papers


    Contributors:
    Poola, R. (author) / Sekar, R. (author) / Gupta, S. (author)

    Conference:

    International Fuels & Lubricants Meeting & Exposition ; 2000



    Publication date :

    2000-10-16




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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