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Relation between mass density of explosive detonation products and time is studied under three kinds of confinement conditions, i.e., no confinement, weak confinement, and rigid confinement by coupling of BKW code, JWL code and LS-DYNA program, respectively. Associated with HOM equation of state, explosion products temperature decaying with time is inferred, and theoretical method is proposed to calculate explosion products temperature of warhead. Results imply that temperature and its decaying rate in explosion products region are non-uniform. Confinement condition plays an important role in controlling of explosion products mass density and its temperature. Rigid confinement could postpone the decaying of the explosion products density and temperature, but the decaying time does not scale up in spite of the doubling of the shell thickness.

, authors=Ai-Min LUO1, 2, Qi ZHANG2, authorsList=Ai-Min LUO, Qi ZHANG, authorCompany=null, correspAuthors=null, authorNote=

LUO Ai-Min (1969—), male, PH. D., Primary Scope of the Study: Explosion action and its control. E-mail:

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利用BKW代码、JWL方程和LS-DYNA程序,研究了无约束、弱约束和强约束等三种战斗部约束条件下炸药爆轰产物密度随时间的变化关系,再结合爆轰产物HOM状态方程获得爆轰产物温度随时间的衰变函数。给出了战斗部爆轰产物温度的理论计算方法。研究表明,爆轰区内爆轰产物温度及其衰减速率并不均匀,战斗部炸药的约束条件对爆轰产物密度和温度有重要影响,强约束可以延缓爆轰产物密度和温度的衰减,相同情况下仅战斗部壳体厚度加倍并不会导致爆轰产物密度和温度的衰减情况同比例变化。

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战斗部爆轰产物温度效应数值模拟
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罗艾民 1, 2 , 张奇 2
高压物理学报 | 2006,20(1): 45-50
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高压物理学报 2006 , 20 (1) : 45 -50
战斗部爆轰产物温度效应数值模拟
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罗艾民1, 2 , 张奇2
作者信息
  • 1.中国安全生产科学研究院,北京 100029
  • 2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
Numerical Simulation of Temperature Effects on Warhead Explosion Products
Ai-Min LUO1, 2 , Qi ZHANG2
Affiliations
  • 1.China Academy of Safety Science & Technology, Beijing 100029, China
  • 2.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • LUO Ai-Min (1969—), male, PH. D., Primary Scope of the Study: Explosion action and its control. E-mail:

出版时间: 2006-03-05
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利用BKW代码、JWL方程和LS-DYNA程序,研究了无约束、弱约束和强约束等三种战斗部约束条件下炸药爆轰产物密度随时间的变化关系,再结合爆轰产物HOM状态方程获得爆轰产物温度随时间的衰变函数。给出了战斗部爆轰产物温度的理论计算方法。研究表明,爆轰区内爆轰产物温度及其衰减速率并不均匀,战斗部炸药的约束条件对爆轰产物密度和温度有重要影响,强约束可以延缓爆轰产物密度和温度的衰减,相同情况下仅战斗部壳体厚度加倍并不会导致爆轰产物密度和温度的衰减情况同比例变化。

物态方程  /  温度  /  爆轰产物  /  数值模拟  /  约束条件

Relation between mass density of explosive detonation products and time is studied under three kinds of confinement conditions, i.e., no confinement, weak confinement, and rigid confinement by coupling of BKW code, JWL code and LS-DYNA program, respectively. Associated with HOM equation of state, explosion products temperature decaying with time is inferred, and theoretical method is proposed to calculate explosion products temperature of warhead. Results imply that temperature and its decaying rate in explosion products region are non-uniform. Confinement condition plays an important role in controlling of explosion products mass density and its temperature. Rigid confinement could postpone the decaying of the explosion products density and temperature, but the decaying time does not scale up in spite of the doubling of the shell thickness.

equation of state  /  temperature  /  explosion products  /  numerical simulation  /  confinement condition
罗艾民, 张奇. 战斗部爆轰产物温度效应数值模拟. 高压物理学报, 2006 , 20 (1) : 45 -50 .
Ai-Min LUO, Qi ZHANG. Numerical Simulation of Temperature Effects on Warhead Explosion Products[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (1) : 45 -50 .
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  • 接收时间:2004-10-21
  • 首发时间:2026-11-01
  • 出版时间:2006-03-05
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  • 收稿日期:2004-10-21
  • 修回日期:2005-03-21
基金
National Defence Scientific Advanced Research Foundation of China(132604010)
作者信息
    1.中国安全生产科学研究院,北京 100029
    2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
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