合成双射流理论及其赋能航空技术进展  

Theory of dual synthetic jets and its empowerment of advancements in aeronautical technology

作　　者：罗振兵[1] 王浩[1] 赵志杰 LUO Zhenbing;WANG Hao;ZHAO Zhijie(College of Aerospace Engineering,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学空天科学学院,长沙410073

出　　处：《航空学报》2025年第5期106-135,共30页Acta Aeronautica et Astronautica Sinica

基　　金：国家自然科学基金(U2141252)。

摘　　要：主动流动控制技术是21世纪航空领域的重要前沿技术之一,而合成双射流技术则是我国自主研发的一种先进主动流动控制技术。该技术具有能量效率高、环境适应性强、控制范围广等优点,有望显著提升现役飞行器的性能,并为下一代飞行器的发展提供变革性助力。系统总结了合成双射流理论、技术特点及其赋能航空技术的最新研究进展。通过20年持续研究,形成了基于两合成射流相互作用同相“增强”效应、异相“矢量”效应、反相“加力/自给”效应的合成双射流理论体系,发展了具有能量效率倍增、全电矢量功能、跨介质工作能力的合成双射流技术体系;合成双射流技术在飞行器气动、动力、飞行控制、飞行安全、热控、跨介质飞行等方面显示出较强的赋能增效特性和应用前景。Active flow control technology is a frontier and transformative technology in the aviation field of the 21st cen⁃tury.Dual Synthetic Jet(DSJ),a new type of active flow control technology invented in China offering high energy effi⁃ciency,strong environmental adaptability,and wide control range,is expected to fully assist in the performance im⁃provement of current aircraft and the revolutionary development of next-generation aircraft.This paper systematically summarizes the theory,technical characteristics,and the latest research progress of DSJ in empowering aviation technology.Through twenty-year research,the DSJ theory system based on the“enhancement”effect,“vector”ef⁃fect,and“augmentation/self-support”effect existing between double synthetic jets with different phases has been formed.And the DSJ technology system with characteristics of energy efficiency doubling,full electric vectoring,and cross-medium working ability has been developed.DSJ has shown great application prospects in aspects of aircraft aerodynamics,power,flight control,flight safety,thermal control and cross-medium flight.

关 键 词：合成双射流 主动流动控制 气动 动力 飞行控制 热控 跨介质 

分 类 号：V211[航空宇航科学与技术—航空宇航推进理论与工程]