Abstract
Keeping the blade structure and shape in the design condition is the premise and guarantee for efficient operation of wing turbine, but wet and cold climate will lead to icing blade, then the blade shapes were changed and the output power of the wind turbine is reduced. A numerical frame for wind turbine icing was developed in present work, which consists of a numerical method for impingement of water droplets based on the multiple frames of reference and Euler method and a 3D heat and mass transferring method for wind turbine icing, then the effects of several meteorological parameters, including the temperature, Liquid Water Content (LWC), Mean Volume Diameter (MVD) and the inflow velocity, on ice shape of the blade were investigated in the numerical frame. The present method can provide supports for prediction of icing process and aerodynamic characteristic after icing of wind turbine blades.
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