Numerical Simulation of Ignition and Combustion of Boron Gas Suspension behind Shock Waves

被引：0
|
作者：
Syrovaten, A. A. [1 ]
Bedarev, I. A. [1 ]
Tropin, D. A. [1 ]
机构：
[1] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Novosibirsk 630090, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 2024年 / 60卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
ignition; combustion; boron particles; PSU model of boron combustion; numerical simulation; DISTRIBUTED INJECTION; CELLULAR DETONATION; ALUMINUM PARTICLES; MODEL; EFFICIENCY; SUBMICRON; OXYGEN; CLOUD; AIR;
D O I：
10.1134/S0010508224030043
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A physicomathematical model and a computational method have been developed to model the ignition and combustion of a suspension of boron particles in a gaseous oxidizer behind shock waves of different strength. Calculations were carried out for particles of diameter 1-20 mu m with a volume concentrations m(2) = 10(-4) and 10(-5) corresponding to a lightly dusted medium. Oxygen and a mixture of oxygen and water vapor at a mass concentration of water vapor of 10-90% were considered as an oxidizer. Combustion wave structure was examined, and the behavior of the main parameters of the gas and particles was described. The influence of water vapor on the ignition delay and combustion times of boron particles was analyzed. The results were compared with published experimental data, and agreement on the ignition delay time at an ambient gas temperature of 2200-3000 K was obtained.
引用
收藏
页码：306 / 317
页数：12
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