Mesoscopic simulations of shock-to-detonation transition in reactive liquid high explosive

被引：34

作者：

Maillet, J. B. ^{[1
]}

Bourasseau, E. ^{[1
]}

Desbiens, N. ^{[1
]}

Vallverdu, G. ^{[2
]}

Stoltz, G. ^{[3
]}

机构：

[1] CEA, DAM, DIF, F-91297 Arpajon, France

[2] Univ Pau & Pays Adour, IPREM UMR5254, Equipe Chim Phys, F-64053 Pau 9, France

[3] Univ Paris Est, CERMICS, Projet MICMAC ENPC INRIA, F-77455 Marne La Vallee 2, France

来源：

EPL | 2011年 / 96卷 / 06期

关键词：

EQUATION-OF-STATE; REDUCED MODEL; WAVES;

D O I：

10.1209/0295-5075/96/68007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An extension of the model described in a previous work (see Maillet J. B. et al., EPL, 78 (2007) 68001) based on Dissipative Particle Dynamics is presented and applied to a liquid high explosive (HE), with thermodynamic properties mimicking those of liquid nitromethane. Large scale nonequilibrium simulations of reacting liquid HE with model kinetic under sustained shock conditions allow a better understanding of the shock-to-detonation transition in homogeneous explosives. Moreover, the propagation of the reactive wave appears discontinuous since ignition points in the shocked material can be activated by the compressive waves emitted from the onset of chemical reactions. Copyright (C) EPLA, 2011

引用

页数：6

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