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《Journal of Central South University(Science and Technology)》 2010-05
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Aerodynamic analysis of a large-scale wind turbine blade based on BLADED software

ZHOU Peng-zhan1,2,3,ZENG Jing-cheng1,XIAO Jia-yu1,YANG Jun2(1.College of Aerospace and Material Engineering,National University of Defense Technology,Changsha 410073,China;2.Zhuzhou Times New Material Technology Co.Ltd.,Zhuzhou 412007,China;3.College of Energy and Power Engineering,Changsha University of Science and Technology,Changsha 410076,China)  
Based on BLADED software,according to the GL2003 international standard,the aerodynamic rated power,power coefficient,fatigue load and extreme load of a kind of 1.50 MW large-scale wind turbine blade applied in the GL3A wind field were analyzed.The results show that the blade can reach 1.65 MW when it is applied in the wind turbine at the rated power of 1.65 MW at the wind speed of 11.0 m/s.The blade’s power coefficient is above 0.46 when its tip speed ratio is between 7.8 and 11.4.The blade’s maximum power coefficient is 0.486 when its tip speed ratio is 9.5.It is indicated that the blade has good aerodynamic performance and wide scope of wind speed adaptive capacity.The blade root’s equivalent fatigue load is 2.107 7 MN.m,and its extreme flapwise load is 4.614 6 MN.m.The loads are both less than the original designed loads,so the blade’s application is safe.
【Fund】: 国家高技术研究发展计划项目(2007AA03Z563);; 中国博士后基金资助项目(20070420832);; 湖南省科技攻关项目(2008RS4033)
【CateGory Index】: TK83
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