| 炸药装药密度对慢速烤燃响应特性的影响 |
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| 引用本文： | 智小琦,胡双启.炸药装药密度对慢速烤燃响应特性的影响[J].爆炸与冲击,2013,33(2):221-224. |
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| 作者姓名： | 智小琦 胡双启 |
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| 作者单位： | 1. 中北大学机电工程学院,山西太原030051;; 2. 中北大学化工与环境学院,山西太原030051 |
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| 摘 要： | 为研究炸药装药密度对烤燃响应剧烈程度的影响,采用以RDX为主的高能炸药压制7种密度水平的试样,采用长径比为1.26的烤燃弹,以(10.2)℃/min的升温速率作了慢速燃实验。实验结果表明,当装药密度为理论最大密度的94%时出现压力胀裂,装药密度为理论最大密度的70%时产生爆燃,而在理论最大密度的80%左右时出现燃烧转爆轰现象,响应最剧烈。
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| 关 键 词： | 爆炸力学 慢速烤燃 易损性 装药密度 |
Influences of charge densities on responses of explosives to slow cook-off |
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| Zhi Xiao-qi
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Hu Shuang-qi.Influences of charge densities on responses of explosives to slow cook-off[J].Explosion and Shock Waves,2013,33(2):221-224. |
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| Authors: | Zhi Xiao-qi Hu Shuang-qi |
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| Institution: | 1. MachineandElectronicEngineeringCollege,NorthUniversityofChina,; 2. Taiyuan030051,Shanxi,China |
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| Abstract: | SevenkindsofRDX-basedhighexplosivesampleswithdifferentdensitieswerepreparedto
studytheinfluencesofexplosivechargedensitiesoncook-offresponse.Theslowcook-offexperiments
wereconductedbyusingthecook-offbombswiththelength-diameterratioofabout1.2attherateof
(1±0.2)℃/min.Theresultsindicatethatapressureburstoccursinthetestsat94.5%theoretical
maximumdensityandadeflagrationoccursat70%theoreticalmaximumdensity.Thetestsundergoa
deflagrationtodetonationtransition (DDT)atabout80%theoreticalmaximumdensityandtheresponseisviolent.
Theresultswillsupplyahelpforreducingthehotcook-offvulnerabilityofammunitionaswellasthestudyontheslowcook-
offmechanism. |
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| Keywords: | mechanicsofexplosion slowcook-off vulnerability chargedensity |
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