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基于GH Bladed的复合材料风机叶片工况疲劳载荷研究 被引量:1

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摘要 本文以2MW机组45.3m长复合材料风机叶片为研究对象,数值模拟其疲劳载荷。首先,基于风电专业软件GH bladed建立风机叶片模型,其中叶片翼型选择为NACA63。通过定义风力机参数,风和载荷工况,数值模拟风机叶片工况风场。即引入时序仿真概念,整体考虑风力机在各种工况下运行的各种操作状态。再根据风况的时间历程,经数据筛选及结果后处理,基于雨流计数法得出m=10下叶片等效疲劳载荷和极端载荷,从而为复合材料风机叶片疲劳强度计算和疲劳损伤数值模拟奠定基础。
出处 《天津纺织科技》 2016年第2期24-27,31,共5页 Tianjin Textile Science & Technology
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