Critical conditions of spark ignition of a mixture of gases (oxidizer and fuel) and reactive particles

被引：4
|
作者：
Krainov, AY [1 ]
Baimler, VA [1 ]
机构：
[1] Tomsk VV Kuibyshev State Univ, Tomsk 634050, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 2002年 / 38卷 / 03期
关键词：
hybrid gas suspension; spark ignition; critical conditions; concentration limits;
D O I：
10.1023/A:1015645601538
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The problem of spark ignition of a gas suspension including a fuel, an oxidizer, and reactive Particles is considered using a two-temperature thermodiffusion model of combustion. Dependences of the minimum ignition energy on disperse-phase parameters are obtained. It is shown that the presence of exothermically reacting disperse-phase particles has an ambiguous effect on the minimum spark energy leading to ignition of the gas suspension. The values of the lower and upper concentration limits for ignition of a methane-air mixture with suspended coal dust particles are in good agreement with experimental data.
引用
收藏
页码：278 / 283
页数：6
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