Formation and degeneration of cellular detonation in bidisperse gas suspensions of aluminum particles

被引：0
|
作者：
A. V. Fedorov
T. A. Khmel’
机构：
[1] Russian Academy of Sciences,Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division
来源：
Combustion, Explosion, and Shock Waves | 2008年 / 44卷
关键词：
gas suspensions; cellular detonation; numerical simulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of polydispersity on formation of heterogeneous cellular detonation in gas suspensions of aluminum particles in oxygen is studied by means of numerical simulations and an acoustic analysis. The influence of the suspension composition on the character and size of the cellular structures being formed is found. Partial (and sometimes complete) degeneration of cellular detonation in bidisperse suspensions into a plane detonation wave is observed. Numerical predictions agree with the results of the acoustic analysis of steady detonation structures in bidisperse suspensions. A similar analysis performed for mixtures containing three and five fractions predicts difficulties in formation of cellular detonation in the case of a large scatter in the particle size.
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页码：343 / 353
页数：10
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