含铝炸药爆炸光辐射能量输出特性研究

(西安近代化学研究所 燃烧与爆炸技术重点实验室,陕西 西安 710065)

爆轰物理; 含铝炸药; 爆炸光辐射; 可见光; 红外光

Study on the Energy Output Characteristics of Light Radiation from Aluminized Explosive Explosion
SONG Pu,YANG Zhuo,ZHAO Xiang-jun,YANG Lei,LIANG An-ding

(Science and Technology on Combustion and Explosion Laboratory, Xi'an Modern Chemistry Research Institute, Xi'an 710065, China)

explosion physics; aluminized explosive; explosion light radiation; visible light; infrared light

DOI: 10.14077/j.issn.1007-7812.202003013

备注

通过爆炸光辐射特性试验研究,获取了含铝炸药装药在不同反应阶段的可见光、红外光时程曲线,计算了不同波段光辐射的能量利用率; 基于含铝炸药的爆炸能量输出结构,分析了含铝炸药爆炸光辐射能量输出特性和激发特性规律。结果 表明,可见光、中波红外和长波红外3个频段的光辐射强度分别在含铝炸药爆炸爆轰反应阶段、无氧燃烧反应阶段和有氧燃烧反应阶段达到最大峰值,与不同阶段的反应机制和释能特性吻合; 含铝炸药常规爆炸的光辐射在试验工况测量波段的能量利用率为5.91%,与核爆炸模式的光辐射转化率存在数量级上的差异,但通过优化炸药配方设计和复合装药结构等技术途径仍可能有较大的提升空间,可为光电对抗提供新型技术途径。

Through the experimental study of the light radiation characteristics of explosion, the time history curves of visible light and infrared light at different reaction stages of aluminized explosive charge were obtained and the energy utilization ratio of light radiation in different wave bands was calculated. Based on the explosion energy output structure of aluminized explosive, the light radiation energy output characteristics and excitation characteristics of aluminized explosive were also analyzed. The results show that the radiation intensities of visible light, middle infrared and long wave infrared reach the maximum value at the detonation reaction stage, anaerobic combustion reaction stage and aerobic combustion reaction stage of aluminized explosive respectively, which is consistent with the reaction mechanism and energy release characteristics of different stages. The energy utilization ratio of the light radiation from the conventional explosion of aluminized explosives is 5.91% in the measured band, and it is different from the light radiation conversion rate of the nuclear explosion mode by orders of magnitude. However, there is still much room for improvement by optimizing explosive formula design and composite charge structure, which can provide a new technical way for photoelectric countermeasure.