小型传爆装置慢燃实验及数值计算

doi:10.3969/j.issn.1000-1093.2017.08.011

兵工学报 ›› 2017, Vol. 38 ›› Issue (8): 1541-1546.doi: 10.3969/j.issn.1000-1093.2017.08.011

小型传爆装置慢燃实验及数值计算

袁俊明¹，张林炎¹，唐鑫¹，刘玉存¹，张喜亮²，陈银刚²，李硕¹

(1.中北大学化工与环境学院，山西太原 030051；2.湖北三江航天红林探控有限公司，湖北孝感 432000）

收稿日期:2017-01-11 修回日期:2017-01-11 上线日期:2017-10-10
作者简介:袁俊明（1979—），男，副教授。E-mail：junmyuan@163.com
基金资助:
中国工程物理研究院安全弹药研发中心开放基金项目（RMC2014B03）

Cook-off Test and Numerical Simulation of Small Booster Device of fuze

YUAN Jun-ming¹, ZHANG Lin-yan¹, TANG Xin¹, LIU Yu-cun¹, ZHANG Xi-liang², CHEN Yin-gang², LI Shuo¹

（1. College of Chemical Engineering and Environment, North University of China, Taiyuan 030051, Shanxi, China;2.Hubei Space Sanjiang Honglin Detection and Control Co. Ltd, Xiaogan 432000, Hubei, China)

Received:2017-01-11 Revised:2017-01-11 Online:2017-10-10

摘要/Abstract

摘要： 为了研究引信传爆管在烤燃作用下的热响应规律，设计了聚黑-14C（JH-14C）的小尺寸传爆管慢烤实验。对JH-14C进行差示扫描分析得到其热分解动力学参数，并结合引信传爆管的烤燃实验和数值模拟结果，确定了JH-14C的活化能与指前因子分别为2.04×10⁵ J/mol、5.59× 10¹⁷ s^-1. 通过对4种不同升温速率下引信传爆管的烤燃过程进行数值计算，结果表明：烤燃装置点火时，传爆药柱先起爆，冲击波经管壳衰减后使导爆药柱发生爆炸；不同升温速率下，传爆药柱内部形成的点火位置不同；随着升温速率的增加，点火位置由传爆药柱中心向其边缘转移，但点火温度变化不大。

关键词: 兵器科学与技术, 传爆装置, 差示扫描热分析, 热分解动力学, 烤燃实验, 数值模拟

Abstract: The thermal reactions of booster device during slow heating are investigated. A small cook-off test is completed to assess both the reaction temperature and exothermic behavior of the material at a slow heating rate. The reaction kinetics of JH-14C are determined using differential scanning calorimetry (DSC) experiments, and the thermal decomposition characteristics are implemented into a 3D fully transient hydrocode and corrected by direct comparison with the subscale cook-off test results. The decomposited activation energies and pre-exponential factor of JH-14C are 2.04×10⁵ J/mol and 5.59×10¹⁷ s^-1, respectively. Based on the available thermal decomposition characteristics, the cook-off processes of booster device are simulated at four different heating rates. The results show that the booster charge explodes first and than the detonating explosive detonates. The explosion of detonating explosive is caused by the detonation wave which is produced by the explosion of booster charge. The ignition locations inside the booster charge at different heating rates differ, and remove from the center of booster charge cylinder to its edge with the increase in heating rate. The heating rate has no much influence on ignition temperature. Key

Key words: ordnancescienceandtechnology, boosterdevice, differentialscanningcalorimetryanalysis, thermaldecompositionkinetics, cook-offtest, numericalsimulation

中图分类号:

TJ45⁺6

袁俊明，张林炎，唐鑫，刘玉存，张喜亮，陈银刚，李硕. 小型传爆装置慢燃实验及数值计算[J]. 兵工学报, 2017, 38(8): 1541-1546.

YUAN Jun-ming, ZHANG Lin-yan, TANG Xin, LIU Yu-cun, ZHANG Xi-liang, CHEN Yin-gang, LI Shuo. Cook-off Test and Numerical Simulation of Small Booster Device of fuze[J]. Acta Armamentarii, 2017, 38(8): 1541-1546.

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小型传爆装置慢燃实验及数值计算

Cook-off Test and Numerical Simulation of Small Booster Device of fuze

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