被动流动控制技术在改善和提升风力机叶片气动性能方面有着越来越广泛的应用，因其结构简单、无需消耗额外能量且成本较低等优势广受重视。为此，分别阐述了涡流发生器、格尼襟翼、叶尖小翼、开缝翼型、仿生结节及沟槽被动流动控制技术的工作原理、控制效果、参数设置、优化设计及应用等情况，展望了被动流动控制技术应用的发展趋势。该技术趋于多种流动控制方法的联合控制，其优化设计也趋于多学科、多目标发展，相应的优化设计方法也需深入开发。分析被动流动控制技术的现状及发展趋势，可为相关研究与应用提供具体的参考及实现途径。同时，风力机叶片被动流动控制技术的结构参数控制规律、多目标优化以及多种被动流动控制技术联合控制也是本课题组下一步工作的重点。

Passive flow control technology is more and more widely used in improving aerodynamic performance of wind turbine blades.Because of its simple structure and low cost of additional energy,it has been gaining more and more attention.The working principle,control effect,parameter analysis,optimization design and practical application of various passive flow control technologies for vortex generator,winglet,slotted airfoil,tubercle,and riblets are described.Meanwhile,the development trend of passive flow control technology is analyzed briefly.Passive flow control technology tends to be combined with multiple flow control methods.The multidisciplinary and multiobjective development trend of passive flow control technology is analyzed.In the future,the corresponding approaches of optimization and design also need to be further developed.The status quo and development trend of passive flow control technologies are analyzed,with a view to providing some specific references and implementation way for its relevant research and application.Additionally,the structure parameter control law,multiobjective optimization and combined control of multiple passive flow control technologies for wind turbine blades are also the focus of our next work.

TK83

国家自然科学基金(51676131);国家自然基金国际(地区)合作与交流项目(51811530315);上海市“科技创新行动计划”地方院校能力建设项目(19060502200)