摘要
高空太阳能无人机、平流层飞艇等临近空间低动态飞行器具有可持久飞行的潜能,在连续广域预警侦察、监视观测、应急响应、抢险救灾等军民用方面具有重要的应用价值。目前,由于高空稀薄大气条件、变高度越夜能耗需求等限制,低动态临近空间飞行器面临着低雷诺数螺旋桨多点工作效率不足的问题。近年来,随着控制元件能耗的降低和可靠性的提升,流动控制技术在螺旋桨增效方面的应用潜力凸显,论文梳理了临近空间低动态飞行器螺旋桨流动控制技术的研究进展。首先,回顾了临近空间低动态飞行器低雷诺数螺旋桨气动设计分析技术现状,明确了螺旋桨流动控制所需的气动分析基础;其次,结合变桨距和主被动控制原理,分析了桨叶后缘变形控制、桨尖小翼等螺旋桨被动控制研究现状;再者,从主动射流控制原理入手,介绍了螺旋桨等离子射流控制的进展;接着,阐述了协同射流螺旋桨增效控制研究现状及其局限性;然后,分析了螺旋桨合成双射流控制现状及其潜力情况;最后,总结了临近空间低动态飞行器螺旋桨流动控制研究面临的科学问题,并提出了可行的研究方向。
The low dynamic near-space vehicle,such as high-altitude solar-powered Unmanned Aerial Vehicle(UAV)and stratospheric airship,has the potential for sustained flight.It has important application values in military and civil⁃ian areas,such as continuous wide area early warning and reconnaissance,monitoring and observation,emergency response,and disaster relief.At present,due to the constraints of high-altitude rarefied atmosphere conditions and the energy consumption demand of variable altitude overnight,the low dynamic near-space vehicle faces to the prob⁃lem of insufficient multi-point working efficiency of low Reynolds propellers.In recent years,with the reduction of en⁃ergy consumption and improvement of reliability of control components,the potential of application of flow control in im⁃proving propeller efficiency has become prominent.This paper summarizes the research progress of flow control tech⁃nologies for propellers of low dynamic near-space vehicles.Firstly,the aerodynamic analysis technology of low Reyn⁃olds propellers for near-space low dynamic vehicles is reviewed.The aerodynamic analysis basis required for propeller flow control is defined.Secondly,based on the principles of variable pitch and active/passive flow control,the re⁃search status of propeller passive control is analyzed,such as trailing edge deformation control and blade tip winglet control.Thirdly,the progress of plasma jet flow control of propeller is introduced.The research status and limitations of co-flow jet flow control are described,and then the current situation and potential of dual synthetic jet flow control are analyzed.Finally,the scientific problems of flow control for the low Reynolds propeller are summarized,and the fea⁃sible research directions are put forward.
作者
甘文彪
庄俊杰
向锦武
左振杰
赵志杰
罗振兵
GAN Wenbiao;ZHUANG Junjie;XIANG Jinwu;ZUO Zhenjie;ZHAO Zhijie;LUO Zhenbing(Research Institute of Unmanned System,Beihang University,Beijing 100191,China;School of Aeronautic Science and Engineering,Beihang University,Beijing 100191,China;College of Aerospace Engineering,National University of Defense Technology,Changsha 410073,China)
出处
《航空学报》
EI
CAS
CSCD
北大核心
2024年第17期19-37,共19页
Acta Aeronautica et Astronautica Sinica
基金
国家自然科学基金(U2141252,U2141249,11902018)
航空科学基金(2019ZA051001)。
