基于连续压导探针的炸药爆速和临界直径测试方法

民爆库

摘要：  
临界直径是确定炸药合理装药直径、预防炸药拒爆和不完全爆轰的重要指标,对炸药性能提高和高效利用有着十分重要的意义。设计了一种连续压导探针和楔形装药装置,在对炸药爆速进行测试的同时,利用炸药在临界直径不完全爆轰的特征,通过寻找爆轰波传播的拐点确定炸药临界直径。试验结果表明：装药密度为0.9 g/cm3的铵油炸药爆速为3261 m/s,临界直径为12.5 mm。提供了一种可同时测得炸药爆速和临界直径的方法,该方法简单,试验费用低,对炸药参数测试具有一定的指导意义。
Abstract：
[ ABSTRACT] As an important parameter to determine the reasonable charge diameter and avoid misfire and incomplete detonation, the critical diameter of explosive has a vital signification on performance improvement and utilization efficiency. In this paper, a continuous pressure-conduct probe and wedge charge device was designed to measure the detonation veloci-ty of the explosive and its critical diameter was determined using the incomplete detonation characteristics and locating the detonation inflection point. The experimental results on the ANFO having a charge density of 0. 9 g/cm3 show a detonation velocity of 3 261 m/s and a critical diameter of 12. 5 mm. It provides a simple and low cost method for testing detonation velocity and critical diameter of explosives at one time, which can be taken as a guideline for the determination of explosive parameters.
doi：  10.3969/j.issn.1001-8352.2016.06.012  
作者：  缪玉松  李晓杰  闫鸿浩  王小红  李科斌   
Author：  MIAO Yusong    LI Xiaojie    YAN Honghao    WANG Xiaohong    LI Kebin   
作者单位：  大连理工大学工程力学系 大连辽宁,116024  
刊  名：  爆破器材ISTICPKU  
年，卷(期)：  2016, 45(6)  
分类号：  TD235.1  
关键词：  爆炸力学  临界直径  压导探针  爆速  炸药参数  
Keywords：  mechanics of explosioncritical diameterpressure-conduct probedetonation velocityexplosive parameters  
在线出版日期：  2016年12月16日  

原文网址：

1. http://d.wanfangdata.com.cn/Periodical/bpqc201606013

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