固冲发动机进气道半自由射流试验直管扩压器研究  

Straight Divergent Tube Research of Semi-Freejet Experiment for Ramjet Inlet

作　　者：韩建涛 孙顺利 李纲[1] 王恒 Han Jiantao;Sun Shunli;Li Gang;Wang Heng(China Airborne Missile Academy, Luoyang 471009, China)

机构地区：[1]中国空空导弹研究院

出　　处：《航空兵器》2019年第4期95-98,共4页Aero Weaponry

摘　　要：研究了固冲发动机进气道转级试验的半自由射流试验台,通过在射流喷管后加装直管扩压器,采用数值模拟方法计算喷管在同一飞行马赫数不同飞行高度下的启动性能,并进行试验验证。试验结果表明,加装直管扩压器的试验方法可以提高模拟的飞行高度,并大大降低试验台建设成本,利用该试验方法可为固冲发动机进气道转级试验研究提供有效的试验流场。The semi-freejet experiment setup for rocket ramjet inlet transition research is carried out. By adding a straight divergent tube after the nozzle, the start performance of the nozzle is researched through the numerical simulation approach, and is verified through experiment. The results show that the experiment method of adding a straight divergent tube can improve the maximum simulation flight altitude of semi-freejet experiment, and can decrease the cost for the setup. The experiment method can offer a suitable flow-field for the experiment research of the ramjet inlet transition process.

关 键 词：固冲发动机 进气道 半自由射流 直管扩压器 

分 类 号：TJ763[兵器科学与技术—武器系统与运用工程] V43[航空宇航科学与技术—航空宇航推进理论与工程]