论文部分内容阅读
对含不同金属添加剂(镁、铝及镁铝合金)、不同硼粉粒度及硼粉含量的含硼富燃料推进剂分别进行了爆热(Qv)、燃烧温度(Tf)和成气率(η)测试,对比研究了金属组分对含硼富燃料推进剂燃烧性能的影响。结果表明:镁比铝能提高含硼富燃料推进剂的爆热值、燃烧温度和成气率;镁铝合金比镁更能降低含硼富燃料推进剂爆热及燃烧温度,且提高推进剂燃烧的成气率;当硼粉粒度较粗或较细时,含硼富燃料推进剂的爆热及燃烧温度均较高,而成气率较低,硼粉粒度适中时,推进剂的爆热值及燃烧温度均较低,而成气率较高;硼粉含量增大(氧化剂AP的含量减小),含硼富燃料推进剂的爆热、成气率均降低,而燃烧温度升高。
The boron-enriched fuel propellants containing different metal additives (magnesium, aluminum and magnesium alloy), different boron powder sizes and boron powder contents were respectively subjected to heat explosion (Qv), combustion temperature (Tf) and gas formation rate ) Test, comparative study of the impact of metal components on the combustion performance of boron-rich fuel propellants. The results show that the magnesium, aluminum and aluminum can improve the explosion heat value, combustion temperature and gasification rate of boron-rich fuel propellants. Magnesium-aluminum alloy can reduce the detonation and combustion temperature of boron-rich fuel propellant more than magnesium, When the boron powder is coarse or finer, the detonation and combustion temperatures of the boron-rich fuel propellants are higher, and the gasification rate is lower and the boron powder particle size is moderate, the explosion of the propellant The calorific value and combustion temperature are lower and the gasification rate is higher; the content of boron powder increases (the content of oxidant AP decreases), the detonation and gasification rates of boron-rich fuel propellant decrease, while the combustion temperature rises high.