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开启式高超声速进气道启动性能试验
引用本文:王翼,范晓樯,梁剑寒,刘卫东,王振国.开启式高超声速进气道启动性能试验[J].航空动力学报,2008,23(6):1014-1018.
作者姓名:王翼  范晓樯  梁剑寒  刘卫东  王振国
作者单位:国防科学技术大学,航天与材料工程学院,长沙 410073
基金项目:国家高技术研究发展计划(863计划)
摘    要:设计了具有入口开启功能的高超声速进气道,并在Ma=6连续式自由射流风洞中进行了启动性能的试验研究.通过对进气道壁面静压变化和捕获流量的测量,验证了此种具有开启功能的变几何方案的可行性.试验结果表明,开启机构能够有效地提高进气道的启动性能.分析认为,进气道入口的逐渐打开过程辅助进气道建立起超声速流场.同时,开启机构避免了进气道自启动的迟滞效应,使进气道实现启动.

关 键 词:航空、航天推进系统  高超声速进气道  变几何  启动性能  自由射流实验
收稿时间:2007/5/31 0:00:00
修稿时间:2007/9/18 0:00:00

Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door
WANG Yi,FAN Xiao-qiang,LIANG Jian-han,LIU Wei-dong and WANG Zhen-guo.Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door[J].Journal of Aerospace Power,2008,23(6):1014-1018.
Authors:WANG Yi  FAN Xiao-qiang  LIANG Jian-han  LIU Wei-dong and WANG Zhen-guo
Institution:Institute of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China;Institute of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China;Institute of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China;Institute of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China;Institute of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China
Abstract:A three dimensional hypersonic inlet with moving entrance door was designed and tested in the Ma=6 free-jet wind tunnel to investigate the starting characteristics.This variable geometry design was testified to be a feasible way to accomplish the entrance opening process of the inlet.The results reveal that the moving entrance door can effectively improve the starting ability of the inlet.The gradually opening process could assist the inlet in starting and also avoid the hysteretic effect of the inlet selfstart.
Keywords:aerospace propulsion system  hypersonic inlet  variable geometry  starting characteristics  free-jet experiment
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