含铝炸药水下爆炸及其对舰船毁伤的数值模拟

doi:10.3969/j.issn.1000-1093.2017.02.013

摘要/Abstract

摘要： 炸药对舰船的毁伤效果是考核炸药配方是否合理的重要依据之一。为了研究含铝炸药的铝氧比对舰船毁伤的影响，通过数值模拟的方法研究了黑索今基含铝炸药的能量输出对舰船的毁伤效果，从位移、加速度、应力和应变四个方面对舰船毁伤效果进行评估。结果表明，在近场范围内，随着铝氧比的增加，舰船总体毁伤效果和局部损伤效果呈先增大、后减小的趋势，并且在铝氧比为0.36时，炸药对舰船的毁伤效果最佳。依据铝氧比和能量释放规律的关系可以得出，近场冲击波能是舰船毁伤的主要原因。

关键词: 兵器科学与技术, 黑索今基含铝炸药, 水下爆炸, 能量输出, 数值模拟, 铝氧比

Abstract: The damage effect of aluminized explosives on the ship targets is an important evidence of checking whether the explosive formula is reasonable. In order to study the influence of the molar mass of aluminum and oxygen (Al/O ratio) on ship damage, the damage effect of aluminized RDX-based explosive (RDX/Al) on ship is researched by means of numerical simulation. The damage effect is explained from four aspects: displacement, acceleration, stress and strain. Simulated results show that the overall and the local damage effects of a ship increases and then decreases with the increase in Al/O ratio in the near field. The damage effect of explosive on ship is optimal when Al/O ratio is 0.36. It can be seen from the relationship between Al/O ratio and energy release rate that the main reason of ship damage is the shock wave energy in the near field. Key

Key words: ordnancescienceandtechnology, aluminizedRDX-basedexplosive, underwaterexplosion, outputenergy, numericalsimulation, aluminumtooxygenratio

中图分类号:

O383

赵倩，聂建新，王秋实，段晓瑜. 含铝炸药水下爆炸及其对舰船毁伤的数值模拟[J]. 兵工学报, 2017, 38(2): 298-304.

ZHAO Qian， NIE Jian-xin， WANG Qiu-shi， DUAN Xiao-yu. Numerical Simulation on Underwater Explosion of Aluminized Explosives and Its Damage to Ship[J]. Acta Armamentarii, 2017, 38(2): 298-304.

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