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Study on the Characteristics of Blade Load of Wind Turbine under Variable Wind
Author(s): 
Pages: 73-77
Year: Issue:  1
Journal: Journal of Southwest University of Science and Technology

Keyword:  风力机气动性能载荷模型叶片载荷;
Abstract: 根据风力机的气动理论,并考虑风切变和风力机结构、几何参数的影响,建立了风力机叶片的气动载荷计算模型.以基本风速、渐变风速、阵风风速和脉动风速4种风速类型建立了变风速模型,并应用于叶片载荷计算模型,实现变风速下的叶片气动载荷的计算.以某MW级风力机为对象,给出了数值计算流程并进行了实例计算,结果显示:风力机叶片的气动载荷主要分布在叶片的中段和叶尖,且载荷大小随风速起伏变化,叶根的气动载荷随风速变化的...
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