可变流量固体冲压发动机技术研究进展与展望

Research progresses and prospect of variable flow ducted rocket technologies

概述了国外固体冲压发动机应用与进展情况,综述了国内外总体设计技术、高温燃气流量调节技术、转级技术、无喷管助推器技术、含硼贫氧推进剂及燃烧组织技术、试验及分析技术的研究进展,分析了关键技术发展趋势。最后提出后续发展建议:采用多种技术手段进一步拓宽固冲发动机工作包络,使固冲发动机使用方便可靠;改进固体贫氧推进剂配方,进一步提高推进剂能量;发展高温燃气流量调节技术,减轻系统质量;重视发动机转级过程中动态性能的研究。

In this paper,overseas applications and progresses were summarized firstly.Then,the key technologies include overall design technologies,gas flow control techniques,transition technologies,nozzleless booster technology,boron fuel rich propellant and combustion technologies,experiment as well as analyze technologies were summarized respectively.Meanwhile,the trend of these technologies were analyzed.In the end,research advices were presented as follows.Enlarge motor stabilization ranges by several approaches to enhance convenience and reliability properties; Improve energy performance of fuel rich propellant; Develop gas flow control techniques to achieve more lighter setup; Think much of intrinsic dynamic quality during motor transition phase.