活性破片撞击油箱毁伤行为与机理

doi:10.12382/bgxb.2021.0384

摘要/Abstract

摘要： 为分析活性破片动能与化学能耦合作用下的引燃毁伤行为，开展活性破片作用油箱毁伤效应研究。采用实验与理论分析相结合的方法，对活性破片作用于不同注油量油箱典型毁伤模式及毁伤机理进行探究。实验结果表明：活性破片作用于非满油油箱时，806~1 331 m/s速度下活性破片均引发油箱内油气层闪燃，但液体燃油均未发生持续燃烧；活性破片作用于满油油箱时，若撞击速度从855 m/s增加至1 225 m/s，则典型毁伤模式依次为油箱穿孔、焊缝开裂、泄漏燃烧和解体燃烧。基于实验结果与活性材料冲击响应特性，揭示了活性破片作用油箱毁伤机理；结合活性材料能量释放特性，建立了满油油箱结构失效分析模型，模型结果与实验结果吻合较好。

关键词: 油箱, 活性破片, 毁伤效应, 活性材料, 水锤效应

Abstract: The ignition and damage behaviors of reactive fragments impacting fuel tanks under the coupling effect of kinetic energy and chemical energy are studied. On the basis of theoretical and experimental analysis, typical damage modes and mechanisms of reactive fragments impacting fuel tanks with different levels of fuel content are investigated. The experimental results show that reactive fragments impacting a partially-filled fuel tank at 806-1 331 m/s cause flash-ignition of the fuel/air layer, but the liquid fuel does not burn continuously. When the fragments hit a full-filled fuel tank at a velocity ranging from 855 m/s to 1 225 m/s, the typical damage modes are perforation, weld-seam cracking, leakage combustion, and disintegration combustion. An analysis of the experimental results and the impact response features of reactive materials reveals the damage mechanism. Based on the energy release characteristics of reactive materials, a structural failure analysis model of a full-filled fuel tank is developed. The calculation results agree well with the experimental results.

Key words: fueltank, reactivefragment, damageeffect, reactivematerials, waterhammereffect

中图分类号:

TJ410.3⁺3

谢剑文，李沛豫，王海福，郑元枫. 活性破片撞击油箱毁伤行为与机理[J]. 兵工学报, 2022, 43(7): 1565-1577.

XIE Jianwen， LI Peiyu， WANG Haifu， ZHENG Yuanfeng. Damage Behaviors and Mechanisms of Reactive Fragments Impacting Fuel Tanks[J]. Acta Armamentarii, 2022, 43(7): 1565-1577.

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第43卷第7期2022 年7月
兵工学报ACTA ARMAMENTARII
Vol.43No.7Jul.2022

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