Calculation of detonation wave propagation in a gas suspension of aluminum and inert particles

被引：0
|
作者：
A. V. Fedorov
Yu. V. Kratova
机构：
[1] Russian Academy of Sciences,Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
来源：
Combustion, Explosion, and Shock Waves | 2013年 / 49卷
关键词：
gas suspension; heterogeneous detonation; detonation suppression by inert particles; numerical simulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Propagation of a detonation wave in a plane channel filled by a gas suspension of fine aluminum particles and inert particles in oxygen is studied. Heterogeneous detonation of aluminum particles in oxygen propagates in the Chapman-Jouguet regime. Two types of the flow resulting from detonation interaction with a cloud of particles are found: continuous propagation with a smaller detonation velocity and flow with detonation failure. The influence of physical and spatial parameters of the inert component of the cloud on these regimes is found, including the mechanism of suppression of heterogeneous detonation, which means separation of the ignition and combustion wave from the leading shock front. Dependences of the velocity deficit on the mass fraction and size of inert particles are determined.
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页码：335 / 347
页数：12
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