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http://dx.doi.org/10.5139/JKSAS.2014.42.2.134

Atmospheric Icing Effects on the Aerodynamic Characteristics and Performance of Wind Turbine Blade  

Park, Ji-Ho (Department of Aerospace and System Engineering and Research Center for Aircraft Parts Technology, Gyeongsang National University)
Myong, Rho-Shin (Department of Aerospace and System Engineering and Research Center for Aircraft Parts Technology, Gyeongsang National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.2, 2014 , pp. 134-143 More about this Journal
Abstract
A significant degradation in the aerodynamic performance of wind turbine system can occur by ice accretion on the surface of blades operated in cold climate. The ice accretion can result in performance loss, overloading due to delayed stall, excessive vibration associated with mass imbalance, ice shedding, instrumental measurement errors, and, in worst case, wind turbine system shutdown. In this study, the effects of ice accretions on the aerodynamic characteristics of wind turbine blade sections are investigated on the basis of modern CFD method. In addition, the computational results are used to predict the performance of three-dimensional wind turbine blade system through the blade element momentum method. It is shown that the thickness of ice accretion increases from the root to the tip and the effects of icing conditions such as relative wind velocity play significant role in the shape of ice accretion.
Keywords
CFD; Wind Turbine Blade; Ice Accretion; Blade Element Momentum Method;
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Times Cited By KSCI : 4  (Citation Analysis)
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