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http://dx.doi.org/10.6112/kscfe.2013.18.3.051

COMPUTATIONAL PREDICTION OF ICING EFFECTS ON AERODYNAMIC CHARACTERISTICS OF A WIND TURBINE BLADE  

Park, J.H. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.)
Jung, K.Y. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.)
Myong, R.S. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.)
Publication Information
Journal of computational fluids engineering / v.18, no.3, 2013 , pp. 51-59 More about this Journal
Abstract
A significant change in aerodynamic characteristics of wind turbine blade can occur by ice formed on the surface of the blade operated in cold climate. The ice accretion can result in performance loss, overloading due to delayed stall, and excessive vibration associated with mass imbalance. In this study, the impact of ice accretion on the aerodynamic characteristics of NREL 5MW wind turbine blade sections is examined by a CFD-based 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 a significant role in the shape of ice accretion. In addition, the computational results are used to assess the degradation in the lift and drag coefficients of the blade sections.
Keywords
Wind Turbine Blade; CFD; Aerodynamic Characteristics; Ice Accretion;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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