DNTF/AP/Al体系炸药的能量特性分析  

Explosion Energy Characteristics of DNTF /AP /Al Explosive

作　　者：杨斐[1] 王建灵[1] 罗一鸣[1] 严家佳[1] 高赞[1] 李鸿宾[1] 

机构地区：[1]西安近代化学研究所,陕西西安710065

出　　处：《爆破器材》2014年第5期11-14,共4页Explosive Materials

基　　金：国防科工委计量项目(科工计[2010]1425号)

摘　　要：为了研究DNTF(3,4-二硝基呋咱基氧化呋咱)/AP/Al体系炸药的能量特性,选取了质量比为DNTF/AP/Al(35/35/30)的试样进行了水下爆炸能量测定和爆热测试,并将试验结果与TNT和RS211进行了对比。结果表明:试样的比冲击波能是TNT的1.38倍,与RS211相当;比气泡能分别为TNT和RS211的4.56倍和2.91倍;总能量为TNT和RS211的3.56倍和2.26倍。经计算发现试样的能量利用率高达98%。为了研究造成该配方试样高气泡特性和高能量利用率的原因,通过分析对比试样、DNTF和DNTF/Al(70/30)体系的水下爆炸试验结果发现,Al粉的加入显著提高了比气泡能,降低了热损失能;Al粉和AP的联用进一步提高了比气泡能和能量利用率,同时也提高了比冲击波能。A DNTF/ AP/ AL explosive sample with mass ratio of 35 / 35 / 30 was selected to measure the underwater explosion energy and explosion heat in comparison with TNT and RS211 for the study of its energy characteristics. The re-sults show that its specific shock wave energy of sample is 1. 38 times of TNT and is equivalent to RS211; its specific bub-ble energy can be 4. 56 and 2. 91 times of TNT and RS211, respectively; and its total energy is 3. 56 and 2. 26 times of TNT and RS211, respectively. The calculation indicates that the sample has an energy efficiency up to 98% . Underwater explosion experimental results were analyzed for DNTF and DNTF/ Al （70 / 30） system to determine the factors responsible for the high bubble characteristic and high energy efficiency. It was found that the addition of Al powder significantly im-proved the specific bubble energy and reduced the heat losses. The combined usage of Al powder and AP can result in a further increase in specific bubble energy and energy efficiency, and higher specific shock wave energy.

关 键 词：爆炸力学 DNTF 水下能量 比冲击波能 比气泡能 

分 类 号：TD235.21[矿业工程—矿井建设]