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Pre and post-burning analysis of nano-aluminized solid rocket propellants

机译:纳米铝固体火箭推进剂的燃烧前和燃烧后分析

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摘要

Nano-aluminized propellants are investigated and compared with corresponding micro-aluminized propellants in order to evaluate the actual pros and cons in the use of metal nano-powders for solid rocket applications. A detailed characterization of the original metal powder and condensed combustion products is performed and discussed. Under the explored operating conditions, the results confirm that nano-aluminized propellants show larger steady burning rate, without significant change in pressure sensitivity, and lower aggregation/agglomeration phenomena in combustion products. Combustion efficiency is in turn favored by those factors reducing the importance of aggregation/agglomeration phenomena in the combustion process.
机译:对纳米铝化推进剂进行了研究,并将其与相应的微铝化推进剂进行比较,以评估在固体火箭应用中使用金属纳米粉体的实际优缺点。进行并讨论了原始金属粉末和冷凝的燃烧产物的详细表征。在探索的工作条件下,结果证实纳米铝化推进剂显示出较大的稳定燃烧速率,而压力敏感性没有明显变化,并且燃烧产物中的聚集/团聚现象较低。那些降低了燃烧过程中聚集/聚集现象的重要性的因素又有利于燃烧效率。

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