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CFD simulation on wind turbine blades with leading edge erosion

Wang Yan, Wang Liang, Duan Chenglin, Zheng Jian, Liu Zhe, Ma Gaosheng

Journal of Theoretical and Applied Mechanics

2021

Vol. 59 nr 4

579--593

Deep understanding on the impacts of leading edge erosion on the performance and flow characteristics of wind turbines is significant for the blade design and wind farms manage- ment. Pitting erosion and three levels of delamination are considered in the present study. The results show that the degrees of leading edge erosion have great influence on the flow separation, tangential force coefficient, normal force coefficient as well as the power output of the wind turbine. Leading edge erosion has the greatest impact on aerodynamics of the wind turbine at 15m/s, where the maximum loss in the power output can reach up to 73.26%.