点火药量对发射药燃烧性能的影响 |
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引用本文: | 晁李金,吕秉峰. 点火药量对发射药燃烧性能的影响[J]. 四川兵工学报, 2016, 0(3): 126-128. DOI: 10.11809/scbgxb2016.03.030 |
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作者姓名: | 晁李金 吕秉峰 |
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作者单位: | 中北大学化工与环境学院,太原,030051 |
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基金项目: | 火炸药研究基金(404060202) |
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摘 要: | 以硝化棉(NC)为点火药,装药密度为0.12 g/cm3,编号为1#、2#、3#、4#4种发射药为研究对象,采用密闭爆发器实验测试方法,研究点火压力的改变对发射药燃烧性能的影响。研究表明:随着点火压力的升高,发射药的点火延迟期和燃烧时间均缩短;点火压力越高,基于L-B曲线的燃烧渐增性也更好;4种发射药基于ψ-I/I′K曲线的燃烧渐增性强弱顺序为4#>1#>2#>3#。
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关 键 词: | 发射药 燃烧性能 密闭爆发器 点火压力 |
Effect of Changing Ignition Dosages on Combustion Properties of Propellants |
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Abstract: | The influence of the changing ignition pressure on the combustion properties was researched. The experiment was carried out by the closed bomb test using four kinds of propellants(1#、2#、3#、4#)and nitrocellulose (NC)as ignition composition with the charging density of 0.12 g/cm3 .The results show:the propellant ignition delay and combustion time is shortened with the increase of ignition pressure;Under higher ignition pressure,progressive burning based on the dynamic activity curve is also strengthened;The progressive burning order based onψ-I/I′K curves of the four propellants is 4#>1#>2#>3#. |
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Keywords: | propellant combustion property closed bomb ignition pressure |
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