风力机叶片翼型俯仰与动尾翼耦合运动数值仿真  

Numerical Simulation of Combined Motions of Wind Turbine Airfoil Flap and Pitch

作　　者：李松林 朱卫军 孙振业 陶秋晗 曾明伍 LI Songlin;ZHU Weijun;SUN Zhenye;TAO Qiuhan;ZENG Mingwu(Dongfang Electric Wind Power Co.,Ltd.,Deyang 618000,Sichuan,China;College of Electrical,Energy and Power Engineering,Yangzhou University,Yangzhou 225127,Jiangsu,China;School of Aerospace Engineering,Xi′an Jiaotong University,Xi′an 710049,China)

机构地区：[1]东方电气风电股份有限公司,四川德阳618000 [2]扬州大学电气与能源动力工程学院,江苏扬州225127 [3]西安交通大学航天航空学院,西安710049

出　　处：《机械科学与技术》2023年第6期962-968,共7页Mechanical Science and Technology for Aerospace Engineering

基　　金：国家自然科学基金项目(11672261,51905469);四川省科技厅2019年重点研发项目(2019YFG0018)。

摘　　要：现代风力机叶片普遍采用变桨系统降低气动载荷。尾缘襟翼是实现飞机机翼载荷控制的一种可行方法,然而由于相关技术尚未成熟,动尾翼尚未实际应用在风力机叶片上。本文采用数值计算模拟和分析动尾翼与翼型俯仰耦合状况下的动态升力变化。采用结构化网格,对尾缘襟翼部分应用浸入边界方法,其余部分仍然沿用传统贴体网格算法,实现了动尾翼的仿真又保证了较高的计算效率。计算结果与风洞实验进行了详细对比,动态升力的变化趋势和大小均显示了较好的吻合,为包含动尾翼的智能叶片开发提供参考。Modern wind turbine has pitch control systemwhich alleviates aerodynamic loads.Trailing edge flap is a feasible aerodynamic load control device for airplane wings.However,therelevant techniques have not been fully developed.Therefore,the trailing edge flap has not been successfully applied to the wind turbine rotors.The dynamic lift caused by the combined motions of airfoil flap and pitch is simulated through numerical method.The trailing edge part is simulated with an immersed boundary method,and the other part of the airfoil is modeled by a traditional curvilinear mesh,which helps to simulate the trailing edge flap and meanwhile ensure high calculation efficiency.The results were thoroughly compared with the existing wind tunnel experiments.Relatively good agreements were achieved which provide the references for developing the smart blades with trailing edge flaps.

关 键 词：动尾翼 翼型俯仰 动态升力 数值计算模拟 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]