【摘要】 借助压力测试系统,在自由场及地面布置压力传感器,分别测量了熔铸TNT、一次云爆药剂和二次云爆药剂在自由场和地面的爆炸场冲击波超压,经分析处理后拟合得到适用于3种炸药的自由场和空中爆炸超压发展公式,并计算云爆药剂的TNT当量。实验结果表明:实验选用的二次云爆药剂的自由场和地面平均TNT当量相比一次云爆药剂分别提高了60%和69%,说明二次云爆药剂比一次云爆药剂具有更大的超压作用效果;3种药剂的自由场超压峰值都比地面小10%左右,说明地面的反射效应依旧存在,在实际超压威力评估时应采用一定的修正系数。实验结果可丰富云爆药剂和传统炸药的小当量实验对比数据,为云爆药剂爆炸场参数的研究和威力评估提供参考。更多还原

【Abstract】 In this paper,we measured the blast overpressures of TNT,SEFAE and DEFAE using a pressure measuring system and pressure transducers installed in the free field and on the ground.The data obtained were analyzed and fitted with the blast overpressure development formulas for three explosives.The results showed that the average TNT equivalence of DEFAE in the free field and on the ground were 60%and 69% bigger than that of SEFAE respectively,suggesting that the power of DEFAE was bigger than that of SEFAE.For each of the three explosives the overpressure measured was10%lower than that on the ground due to the reflection wave generated by the ground.In the actual test,a fixed correction factor needs to be adopted.These results may add to analysis of small quantity of FAE and traditional explosives and serve as reference for the investigations of the blasting power of FAE.更多还原