Experimental study is performed to analyze the shedding behavior of droplets with different shear flow speeds typical of those in the flight conditions. Droplet shedding phenomena has significant effect on ice accumulation on critical components such as airfoil and nacelle. In order to mimic this scenario experimental set up is designed to generate shear flow as high as 90m/s. The high shear effect is combined to the surface wettability impact by using hydrophilic and superhydrophobic surfaces. It is shown that the wetting length of the droplet on hydrophilic surface increases by shear speed while on the superhydrophobic surface a drastic reduction on wetting length is detected. Furthermore, it is observed that the droplet is detached from the superhydrophobic surface with moderate shear speeds.


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    Titel :

    Shear Driven Droplet Shedding on Surfaces with Various Wettabilities


    Weitere Titelangaben:

    Sae Int. J. Aerosp


    Beteiligte:

    Kongress:

    SAE 2013 AeroTech Congress & Exhibition ; 2013


    Erschienen in:

    Erscheinungsdatum :

    2013-09-17


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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