| 考虑气动弹性的风力机叶片性能分析 |
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| 引用本文： | 陈佳慧,王同光.考虑气动弹性的风力机叶片性能分析[J].空气动力学学报,2011,29(3). |
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| 作者姓名： | 陈佳慧 王同光 |
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| 作者单位： | 南京航空航天大学江苏省风力机设计高技术研究重点实验室,江苏南京,210016 |
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| 基金项目： | 国家973重点基础研究发展计划项目(2007CB714600); 江苏省创新学者攀登项目(BK2008044) |
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| 摘 要： | 考虑气动弹性对风力机叶片的影响,采用叶素-动量理论计算气动力,采用盒形梁理论计算结构变形,耦合静气动弹性平衡方程,建立了风力机叶片静气动弹性分析程序。本文运用该程序进行了多种风速下叶片载荷及风轮性能的计算,分析了气动弹性对原设计的影响。结果表明,对于兆瓦级风力机,在大风速情况下,气动弹性对风轮性能有着明显影响,并会造成气动载荷的重新分布,影响结构设计的准确性。该方法可用于对叶片气动设计与载荷计算方法进行气动弹性修正。
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| 关 键 词： | 静气动弹性 叶素动量理论 盒形梁理论 叶片性能 叶片设计 |
Wind turbine performance analysis with aeroelastic effect |
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| CHEN Jia-hui,WANG Tong-guang.Wind turbine performance analysis with aeroelastic effect[J].Acta Aerodynamica Sinica,2011,29(3). |
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| Authors: | CHEN Jia-hui WANG Tong-guang |
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| Institution: | CHEN Jia-hui,WANG Tong-guang(Jiangsu Key Laboratory of Hi-Tech Research for Wind Turbine Design,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | The aeroelastic effect for wind turbine blade is investigated in this article.A code is programmed,which utilizes the blade element momentum method to calculate the aerodynamics and adopts the multi-cell beams method to calculate the structural distortion,coupling with static aeroelastic balancing equation.The loads on the blade and the aerodynamic performance of the wind turbine at various wind speeds are calculated,and the influence of aeroelastics to the original design is analyzed.It is demonstrated tha... |
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| Keywords: | static aeroelastics blade element momentum theory multi-cell beams method blade performance blade design |
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