In this paper we numerically investigated the impact of large droplets on smooth solid surfaces to understand the splashing mechanism involved in ice accretion due to supercooled large droplets. A Navier-Stokes solver was used to describe the flow field, the moment-of-fluid (MOF) method was used to capture the droplet interface evolution, and the adaptive mesh refinement technique was employed to refine the mesh near the region of interest. We investigated the effect of air on splashing mechanism and confirmed that a low pressure can suppress the droplet splashing. The size distribution of splashed secondary droplets was studied and showed good agreement with experimental results. The effect of surface curvature on the splashing phenomenon was highlighted. Finally, the droplet impact on a NACA 23012 airfoil was studied and the water collection efficiency was investigated.


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    Title :

    Investigation of the Splashing Phenomenon of Large Droplets for Aviation Safety


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2015 International Conference on Icing of Aircraft, Engines, and Structures ; 2015



    Publication date :

    2015-06-15




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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