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由于硼具有很高的质量燃烧热和容积燃烧热,所以硼是冲压火箭燃气发生器的非常有潜力的固体燃料成分.但是,长期以来,由于硼及其氧化物有高的蒸发温度,使其在低压中的燃烧效率不高,从而限制了硼的实际应用.为解决硼粒子在冲压火箭燃烧室中的燃烧问题,已经提出过两种方法,一种是“化学”方法,即在燃料中加入添加剂(氟、氯,…)或金属(铝、镁、鋯,…);另一种是物理方法,即设计合理的喷射装置和燃烧室.本文便是采用后者来提高硼粒子的燃烧效率.
Boron is a very promising solid fuel component for ram gas generators due to its high mass and heat of combustion, but for a long time boron, as its oxide, has a high evaporation temperature, In low pressure combustion efficiency is not high, thus limiting the practical application of boron in order to solve the boron particles in the rocket combustion chamber combustion problems, two methods have been proposed, one is the “chemical” method, that is, in the fuel Add the additives (fluorine, chlorine, ...) or metal (aluminum, magnesium, zirconium, ...); the other is the physical method, that is, reasonable design of the injection device and the combustion chamber This article is to use the latter to improve the combustion of boron particles effectiveness.