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叶型附面层分离流动控制技术,通过流动控制方法减小和控制叶片吸力面附面层的分离气流和低能流团,提高压气机或涡轮的效率和工作稳定性。主要介绍了国外研发的涡流发生器、射流注入、附面层抽吸、叶片附面层转捩控制和等离子体气动激励等流动控制技术的特点、作用机理和实验验证结果,以及国内在叶型附面层分离流动控制技术方面的研究进展。
Leaf surface separation flow control technology, through the flow control method to reduce and control the blade suction surface separation flow and low-energy flow group, improve the efficiency of the compressor or turbine and work stability. The characteristics, mechanism of action and experimental verification of flow control technology developed by foreign countries such as vortex generator, jet injection, surface layer suction, blade surface transfer control and plasma aerodynamic excitation are introduced. Research Progress in Flow Control Technology with Surface Separation.