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    Experimental investigation of spray characteristics in model combustor

    Experimental investigation of spray characteristics in model combustor


    Fuel spray characteristics in a swirl-cup model annular combustor are investigated. In order to better quantify and distinguish the diameters and numbers of the fuel droplets, and their size distributions, image-processing technologies are applied for raw images of fuel spray field. These techniques include gradation processing, edge detection, smooth disposal, outline extraction and picture disposal. Experimental results show that the proposed image-processing technologies demonstrate an effective method for the characterization of the fuel spray field in the studied gas turbine combustor. Parametric studies were also conducted to investigate the influences of different inlet parameters such as inlet air temperature, inlet air flux and fuel air ratio on the spray field. It was found that the fuel atomization becomes better with the increase of inlet air temperature and fuel air ratio; however, the change of inlet air flux has a minimum effect on the spray field.

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    Titel :

    Experimental investigation of spray characteristics in model combustor

    Beteiligte:
    Yingwen, Yan (Autor:in) / Longfei, Dang (Autor:in) / Rong, Xu (Autor:in)
    Erschienen in:

    Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering ; 229 , 13 ; 2351-2357

    Erscheinungsdatum :

    2015-11-01

    Format / Umfang :

    7 pages

    ISSN :

    0954-4100 , 2041-3025

    DOI :

    https://doi.org/10.1177/0954410015574303

    Medientyp :

    Aufsatz (Zeitschrift)

    Format :

    Elektronische Ressource

    Sprache :

    Englisch

    Schlagwörter :

    Fuel spray characteristics , annular combustor , inlet parameter , size distribution , image-processing technology

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