The numerical simulation of ice melting process on an iced helicopter rotor blade is presented. The ice melting model uses an enthalpy-porosity formulation, and treats the liquid-solid mushy zone as a porous zone with porosity equal to the liquid fraction. The ice shape on the blade section is obtained by the icing code with a dynamic mesh module. Both of the temperature change and the ice-melting process on the rotor blade section surface are analyzed. The phenomenon of ice melting is analyzed through the change of temperature and liquid fraction on the abrasion/ice interface. The liquid fraction change as with time on the abrasion/ice surface is observed, which describes the ice-melting process well. The numerical results show that the ice melting process can be simulated effectively by the melting model. The de-icing process can be monitored by observing the change of the liquid fraction of the area around the abrasion/ice interface. The new model provide a useful method for the design of de-icing system.


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    Title :

    Numerical Investigation of the Electrothermal De-Icing Process of a Rotor Blade


    Additional title:

    Sae Technical Papers


    Contributors:
    Lei, Guilin (author) / Zhu, Jianjun (author) / Zheng, Mei (author) / Dong, Wei (author)

    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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