摘要
为研究三过氧化三丙酮(TATP)在空中的爆炸冲击波传播规律,使用拉曼光谱仪、傅里叶变换红外光谱仪(FTIR)和气相色谱-质谱联用仪(GC-MS)对自制TATP进行了结构检测;而后利用冲击波测试系统测试了TATP在空中的爆炸冲击波参数,分析了峰值超压、正压作用时间、比冲量及冲击波速度随比例距离的变化规律;拟合了TATP的峰值超压、正压作用时间、冲量经验公式,计算了TATP的TNT当量。结果表明,TATP的峰值超压、比冲量随比例距离不断降低,衰减幅度也随比例距离减小,二者实测值平均为TNT的0.87倍与0.73倍,使用超压换算TATP的TNT当量为75.39%;正压作用时间受装药质量与装药距离的双重影响,装药质量与距离越大,正压作用时间越长;TATP与TNT正压作用时间随比例距离的平均上升速率分别为0.066和0.100,在近场TATP正压作用时间大于TNT,而当比例距离大于3.646 m/kg 1/3时,其正压作用时间逐渐小于TNT。表明TATP空中爆炸冲击波参数满足爆炸相似律,拟合所得经验公式适用于TATP爆炸威力评估及理论计算。
In order to study the explosion shock wave propagation law of triacetone triperoxide(TATP)in the air,Raman spectrometer,Fourier transform infrared spectrometer(FTIR)and gas chromatography-mass spectrometry(GC-MS)were used to inspect the structure of homemade TATP.Then the parameters of the explosion shock wave of TATP in the air were tested by the shockwave test system.The variation of peak overpressure,positive pressure duration,specific impulse and shock wave velocity with proportional distance was analyzed.The empirical formulas of peak overpressure,positive pressure duration and impulse of TATP were fitted,and the TNT equivalent of TATP was calculated.The results show that the peak overpressure and specific impulse of TATP decrease with the proportional distance,and the attenuation amplitude also decreases with the proportional distance.The measured average values are 0.87 times and 0.73 times that of TNT,and the TNT equivalent of TATP is 75.39%;The positive pressure duration is affected by both the charge mass and the charge distance.The greater the charge mass and the distance,the longer the positive pressure duration.The average rising rates of the positive pressure duration of TATP and TNT with the proportional distance are 0.066 and 0.100,respectively.In the near field,the positive pressure duration of TATP is longer than that of TNT,and when the proportional distance is greater than 3.646 m/kg 1/3,its positive pressure duration gradually decreases smaller than that of TNT.It shows that the explosion shock wave parameters of TATP in the air follow the explosion similarity law,and the empirical formulas obtained by fitting is suitable for the evaluation and theoretical calculation of TATP explosion power.
作者
刘锋
黄国强
李松林
程雨航
LIU Feng;HUANG Guo-qiang;LI Song-lin;CHENG Yu-hang(School of Chemical and Blasting Engineering,Anhui University of Science and Technology,Huainan Anhui 232001,China)
出处
《火炸药学报》
EI
CAS
CSCD
北大核心
2024年第10期921-930,I0003,共11页
Chinese Journal of Explosives & Propellants
基金
国家自然科学基金(No.51134012)。
