固体火箭冲压发动机的若干技术问题

简述了固体火箭冲压发动机类型及工作原理,总体评价了固体火箭冲压发动机发展时快时慢的原因,弹-机一体化设计、贫氧推进剂、进气道、转级机构、补燃室等设计中应注意的问题,提出了应加强的研究工作,即开展高能低沉积燃烧产物贫氧推进剂研究;完善多种燃气流量调节装置方案,提高其可靠性;进一步开展一次燃烧和二次掺混燃烧的理论和实验研究,提高燃烧效率;尽快建立自由射流等试验研究手段,开展相关的研究工作;适时开展固体燃料冲压、固体超燃冲压及膏体冲压等发动机的研究,不断拓宽应用领域。

Some technological problems of solid rocket ramjet

The types of solid rocket ramjet and operation principle were summarized briefly.The reasons for difference development speed of solid rocket ramjet were analyzed as a whole,and some problems should be paid attention in integrated design of missile and solid rocket ramjet,low-oxygen propellant,air inlet,transition,afterburning chamber,etc.The researches which need to be strengthened were put forward,i.e,to investigate low-oxygen propellant with high-energy and low sediment combustion products,to improve schemes and reliability of controlling devices of various fuel gas flow,to further carry out theoretical and experimental investigation on primary combustion and secondary mixing combustion so as to improve its combustion efficiency,to establish some testing methods such as free jet and perform relevant researches,to carry out investigation on solid fuel ramjet,solid fuel scramjet and slurry ramjet and continuously broaden application fields.