In a direct injection gasoline engine, the impingement of injected fuel on the oil film, i.e. cylinder liner gives rise to various problems such as abnormal combustion, oil dilution and particulate matter emission. Therefore, in order to solve these problems, it is necessary to have a clear understanding of the impingement behavior of the fuel spray onto the oil film. However, there is little information on the impingement behavior of the fuel droplet onto the oil film, whereas many investigations on the impingement behavior of the fuel droplet onto the fuel film are reported.In this study, fundamental investigations were performed for the purpose of clarifying the impingement behavior of the fuel spray onto the oil film. A single fuel droplet mixed with fluorescence dye was dripped on the oil film. To separately measure the fuel and the oil after impingement, simultaneous Mie scattering and laser-induced fluorescence (LIF) methods were performed. As a result, it is identified that the impingement behavior of the fuel droplet onto the oil film vary considerably and depend on the Weber number (We) of fuel droplet, oil viscosity, oil temperature as well as oil film thickness. And moreover, the results implicated that their behaviors can be defined on the basis of the critical We number.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Impingement Behavior of Fuel Droplets on Oil Film


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2015 World Congress & Exhibition ; 2015



    Publication date :

    2015-04-14




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Impingement behavior of fuel droplets on oil film

    Uchida,R. / Tanaka,D. / Noda,T. et al. | Automotive engineering | 2015


    Impingement and splashing of droplets on spherical targets

    Charalampous, George / Hardalupas, Yannis | AIAA | 2016


    An Eulerian approach to supercooled droplets impingement calculations

    Bourgault, Y. / Habashi, W. / Dompierre, J. et al. | AIAA | 1997


    An Eulerian Approach to Supercooled Droplets Impingement Calculations

    Bourgault, Y. / Habashi, W. G. / Dompierre, J. et al. | British Library Conference Proceedings | 1997


    Impingement of Supercooled Large Droplets via Reduced Order Models

    Fossati, M. / Habashi, W.G. / Baruzzi, G. et al. | British Library Conference Proceedings | 2011