全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

炸药摩擦点火评价实验数值模拟

Keywords: 炸药,摩擦,点火,数值模拟,热分解反应

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究炸药块摩擦点火机理,采用LS-DYNA软件和ALE算法,并嵌入含热分解放热反应的热弹塑性材料模型,对PBX-C03和PBX-C04炸药摩擦点火评价实验进行数值模拟,得到了不同压力、滑动速度和摩擦系数下PBX-C03炸药点火的临界曲线.研究结果表明,含有热分解放热反应的热弹塑性材料模型可作为炸药摩擦点火反应的计算模型,加载压力接近或大于炸药屈服应力时,提高滑动速度和摩擦系数都易使炸药发生点火反应.

References

[1]  Andersen W H,Role of the friction coefficient in the frictional heating ignition of explosives,Propellants and Explosives,1981.
[2]  Wiegand D A,Constant strain criteria for mechanical failure of energetic materials,Journal of Energetic Materials,2003.
[3]  Dobratz B M;Crawford P C,LLNL explosive handbook:properties of chemical explosive stimulants,Berkeley,USA:University of California Press,1985.
[4]  Gibbs T R;Popolato A,LASL explosive property data,Berkeley,USA:University of California Press,1980.
[5]  Hallquist J O,Ls-dyna theory manual,Livermore1,USA:Lawrence Livermore National Laboratory,2006.
[6]  Glenn J G;FosterJ C;Gunger M,A test method and model to determine the thermal initiation properties of an energetic material in a low pressure long duration event,San Diego,USA:[s.n.],2002.
[7]  Boyle V;Frey R B;Blake O,Combined pressure shear ignition of explosives,Portland,USA:[s.n.],1989.
[8]  Fordham S,High explosives and propellants,Oxford,UK:Pergamon Press,1980.
[9]  Dickson P;Asay B W,Friction:non-shock initiation of explosives,Berlin,Germany:Springer Press,2010.
[10]  Frey R B,The initiation of explosive charges by rapid shear,Annapolis,USA:[s.n.],1981.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133