A mechanistic perspective of atmospheric oxygen sensitivity on composite energetic material reactions

被引：6

作者：

Farley, Cory W. ^{[1
]}

Pantoya, Michelle L. ^{[1
]}

Levitas, Valery I. ^{[2
,3
,4
]}

机构：

[1] Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79424 USA

[2] Iowa State Univ, Dept Aerosp Engn, Ames, IA 50011 USA

[3] Iowa State Univ, Dept Mech Engn, Ames, IA 50011 USA

[4] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA

来源：

COMBUSTION AND FLAME | 2014年 / 161卷 / 04期

关键词：

Aluminum combustion; Melt dispersion mechanism; Flame speeds; Energy propagation; Diffusion oxidation; ALUMINUM; COMBUSTION; OXIDATION; SIZE;

D O I：

10.1016/j.combustflame.2013.10.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Solid energetic composites have been used and studied in standard air environments, yet the contribution of atmospheric oxygen to reactive material combustion has not been investigated. This study experimentally examines the effect of atmospheric oxygen concentration (4% or 93% oxygen) on energy propagation of nanometric aluminum with copper oxide (Al + CuO), iron oxide (Al + Fe2O3), calcium iodate (Al + Ca(IO3)(2)), and iodine pentoxide (1205). In all cases energy propagation was examined in terms of flame speed and higher in the high oxygen environments. However, the convectively dominant reactions showed a smaller percent increase in flame speed mainly attributed to the reaction mechanism. (C) 2013 The Combustion Institute. Published by Elsevier Inc. All rights reserved.

引用

页码：1131 / 1134

页数：4

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