摘要
为了研究煤油/空气脉冲爆震发动机爆震室内激波遇到障碍物发生反射促使PDE通常完成爆燃向爆震转变的起爆技术,设计加工了环型孔板和双半V型楔面体,并安装在内径100 mm的爆震管内,进行了多循环爆震试验,成功实现了煤油/空气脉冲爆震发动机工作频率30 Hz稳定工作,获得稳定传播的爆震波．研究结果表明：在爆震室内安装合理结构的障碍物能够有效提高激波反射,缩短爆燃向爆震转变的距离(时间),成功获得稳定传播的爆震波．研究结果为优化设计煤油/空气脉冲爆震发动机原理样机提供了初步理论基础．
In order to investigate a new technique shock reflection detonation initiation for kerosene/air pulse detonation engine, the circular orifice plates and the wedge obstacles were designed. Much detonation experimentation was carried out and the kerosene/air aero-valve pulse detonation engine could be operated at 30 Hz in frequency. The results show that shock reflection detonation initiation is effective and fully developed repetitive detonation waves were obtained. This investigation is of importance to supply theory and practice for optimizing kerosene/air aero-valve pulse detonation engine.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
2007年第2期347-350,共4页
Journal of Engineering Thermophysics
基金
国家自然科学基金(No.E060407)
关键词
脉冲爆震发动机
爆震燃烧
气动阀
激波反射
pulse detonation engine
detonative combustion
aero-valve
shock reflection
