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首页> 外文期刊>Aerospace science and technology >Demonstration of 500 N scale bipropellant thruster using non-toxic hypergolic fuel and hydrogen peroxide
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Demonstration of 500 N scale bipropellant thruster using non-toxic hypergolic fuel and hydrogen peroxide

机译：演示使用无毒超高分子量燃料和过氧化氢的500 N规模双推进器推进器

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While shedding light on green space propulsion, the development of non-toxic hypergolic bipropellants has provided alternatives to the conventional, highly toxic propellants. Non-toxic energetic hydrocarbon fuels promoted by sodium borohydride were produced, and their hypergolicity with rocket grade hydrogen peroxide was confirmed. Ignition delays ranged from 4 ms to 17 ms, depending on the oxidizer concentration. A 500 N scale thruster utilizing a non-toxic hypergolic bipropellant combination was also developed. With an oxidizer-to-fuel ratio of 5.48, the injector was designed with pentad unlike-impinging jets, one fuel jet orifice and four oxidizer jet orifices for enhancing the mix and atomization of the hypergolic propellants. The operation test was performed, and burning time was established to be 3.5 s. For the demonstrator, the rising time was approximately 158 ms, and the pressure oscillation inside the combustion chamber was approximately 7.69%. These results indicate the feasibility of this novel concept engine for future space missions. (C) 2015 Elsevier Masson SAS. All rights reserved.
机译：在阐明绿色空间推进作用的同时，无毒的高酸性双推进剂的发展为传统的高毒性推进剂提供了替代方案。产生了由硼氢化钠促进的无毒含能烃燃料，并证实了它们与火箭级过氧化氢的高配伍性。点火延迟范围为4毫秒至17毫秒，具体取决于氧化剂的浓度。还开发了一种500 N规模的推力器，该推力器利用了无毒的高酸性双推进剂组合。氧化剂与燃料的比为5.48，该喷射器设计有五元组不同撞击喷嘴，一个燃料喷嘴孔和四个氧化剂喷嘴孔，以增强超高射流推进剂的混合和雾化。进行操作测试，并将燃烧时间确定为3.5 s。对于演示者，上升时间约为158毫秒，燃烧室内的压力波动约为7.69％。这些结果表明了这种新颖概念引擎对未来太空任务的可行性。 （C）2015 Elsevier Masson SAS。版权所有。

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