Surface effect on branching chain reactions in filtration combustion of gases

被引：1
|
作者：
Zamashchikov, VV [1 ]
Bunev, VA [1 ]
机构：
[1] Russian Acad Sci, Inst Chem Kinet & Combust, Siberian Div, Novosibirsk 630090, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 2003年 / 39卷 / 04期
关键词：
filtration combustion of gases; chain reactions; inhibition; flame propagation limits; low-velocity regime;
D O I：
10.1023/A:1024734821521
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The existence of lean and rich concentration limits of the low-velocity regime of flame propagation was shown experimentally under filtration of a combustible gas mixture in narrow tubes. The values of the limits depend on the inner diameter of the tube. Experiments with an inhibitor affecting the concentration limits of combustion-wave propagation in tubes in a low-velocity regime showed that branching chain reactions occur in the filtration combustion wave and the concentrations of active centers thus exceed the equilibrium values. In the low-velocity regime, the surface of the narrow quartz tube slightly decreases the role of active centers in combustion-wave propagation.
引用
收藏
页码：431 / 436
页数：6
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