温压药剂的热毁伤研究

Study on Thermal Damage of Thermobaric Explosive

运用红外热成像仪分别测量了不同质量的温压药剂和TNT爆炸火球的表面温度。根据实测结果分析了温度场的分布情况,并拟合出温压药剂爆炸火球的直径、持续时间与装药量的关系式。依据炸药的爆炸特性,确定了热毁伤准则,结合Baker火球模型,对温压药剂和TNT爆炸产生的不同程度的热毁伤半径进行了计算。结果表明,温压药剂具有较好的热毁伤效应,用作用区面积评价法可获得温压药剂的TNT当量比为3.89。

Using the infrared thermal image instrument, the blasting fireball＇s temperature of thermobaric explosive with different mass and TNT were measured. According to the experimental data, the temperature filed of the two kinds of explosives were analyzed and the relation of diameter and duration of fireball to explosive mass were simulated. Thermal damage rule was confirmed with blasting characteristics of thermaobaric explosive, and combined with Bakerts fireball model, thermal damage radius in different degree of thermobaric explosive and TNT were calculated. Results indicate that thermobaric explosive possess good thermal damage effect and the equivalence of TNT for thermobaric explosive obtained by action area evaluation reach 3.89.