Novel Segregated Solid Propulsion System with Separately Stored Fuel and Oxidizer,Propellants, Explosives, Pyrotechnics

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Novel Segregated Solid Propulsion System with Separately Stored Fuel and Oxidizer
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2022-07-29 , DOI: 10.1002/prep.202200142
Joseph Lichthardt ₁ , Bryce C Tappan ₂ , Narendra De ₃ , Alan Novak ₁ , Eva Baca ₁ , David Oschwald ₁ , Grant Risha ₄

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The development and experimentation of a solid propulsion concept consisting of separate hydrogen-rich solid propellant and solid oxidizer grains is presented. This system consists of an extremely fuel-rich solid propellant, which, once ignited, undergoes a self-sustaining decomposition to release fuel-rich product gases, which are particularly rich in hydrogen gas. These relatively high-temperature gases subsequently react with a solid oxidizer grain stored downstream. Progress in high-nitrogen materials has allowed for the synthesis of fuel-rich compounds that can store significant amounts of hydrogen, with little or no bound oxygen. With these new developments in propellant chemistry, a unique segregated propulsion system has been developed, creating an all-solid propulsion system that combusts analogously to a reverse hybrid rocket system. Because of the physical separation of fuel and oxidizer, a higher level of safety is achieved which concurrently allows for the utilization of higher energy ingredients without the penalty of higher sensitivity. Theoretical performance calculations and experimental data have shown the potential for this system to compete with existing composite rocket propellants while having significant benefits in terms of safety, toxicity, and mission space. This paper presents a detailed overview of the conception, development, and testing of this propulsion system.

中文翻译：

燃料和氧化剂分开储存的新型分离式固体推进系统

介绍了由分离的富氢固体推进剂和固体氧化剂颗粒组成的固体推进概念的开发和实验。该系统由一种富含燃料的固体推进剂组成，一旦点燃，它就会自我维持分解，释放出富含燃料的产品气体，其中特别富含氢气。这些相对高温的气体随后与储存在下游的固体氧化剂颗粒发生反应。高氮材料的进展使得可以合成富含燃料的化合物，这些化合物可以储存大量的氢，而结合氧很少或没有。随着推进剂化学的这些新发展，一种独特的分离式推进系统被开发出来，创造了一种类似于反向混合火箭系统燃烧的全固态推进系统。由于燃料和氧化剂的物理分离，实现了更高水平的安全性，同时允许使用更高能量的成分而不会损失更高的灵敏度。理论性能计算和实验数据表明，该系统具有与现有复合火箭推进剂竞争的潜力，同时在安全性、毒性和任务空间方面具有显着优势。本文详细介绍了该推进系统的概念、开发和测试。理论性能计算和实验数据表明，该系统具有与现有复合火箭推进剂竞争的潜力，同时在安全性、毒性和任务空间方面具有显着优势。本文详细介绍了该推进系统的概念、开发和测试。理论性能计算和实验数据表明，该系统具有与现有复合火箭推进剂竞争的潜力，同时在安全性、毒性和任务空间方面具有显着优势。本文详细介绍了该推进系统的概念、开发和测试。

更新日期：2022-07-29

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