固体火箭技术Issue(4)：516-520,5.DOI:10.7673/j.issn.1006-2793.2014.04.016
纳米铝粉对少烟NEPE推进剂燃烧性能的影响
Effects of nano-aluminum on combustion characteristic of low smoke NEPE propellants
摘要
Abstract
Effects of nano-and micro-Al particles on combustion characteristics of low smoke NEPE propellant were experimen-tally studied by means of laser diffraction,SEM,TG,high-speed photography and elemental analysis,etc. The results indicate that nano-Al particles,compared with micro-Al particles,show the advantages such as small diameter,high reactivity,low ignition energy and strong heat feedback to combustion surface of the propellant, which increase burning rates of the propellant significantly by 150.7%~195.0%(1~2 0 MPa),and the burning rate exponents increase from 0.57 to 0.68(1~10 MPa)and decrease 0.75 to 0.49 (10~20 MPa).It was found that the content of active aluminum(77.72%)in nano-Al particles is obviously lower than that of micro-Al particles (98.72%),while the explosion heats of the propellants containing nano-Al are similar to the propellants with micro-Al since nano-Al particles have higher reactivity.关键词
纳米铝粉/燃烧性能/爆热/热行为/反应活性Key words
nano-aluminum/combustion characteristic/explosion heat/thermal behavior/reactivity分类
航空航天引用本文复制引用
张伟,谢五喜,樊学忠,刘芳丽,庞维强,闫宁,刘庆..纳米铝粉对少烟NEPE推进剂燃烧性能的影响[J].固体火箭技术,2014,(4):516-520,5.基金项目
总装战术固体火箭发动机安全性瓶颈技术。 （）
