Computational Fluid Dynamics Modeling of Supersonic Coherent Jets for Electric Arc Furnace Steelmaking Process

被引：0
作者：
Morshed Alam
Jamal Naser
Geoffrey Brooks
Andrea Fontana
机构：
[1] Swinburne University of Technology,Faculty of Engineering and Industrial Sciences
[2] Primary Steelmaking Manufacturing,undefined
来源：
Metallurgical and Materials Transactions B | 2010年 / 41卷
关键词：
Computational Fluid Dynamic; Computational Fluid Dynamic Model; Combustion Flame; Laval Nozzle; Computational Fluid Dynamic Result;
D O I：
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中图分类号：
学科分类号：
摘要：
Supersonic coherent gas jets are now used widely in electric arc furnace steelmaking and many other industrial applications to increase the gas–liquid mixing, reaction rates, and energy efficiency of the process. However, there has been limited research on the basic physics of supersonic coherent jets. In the present study, computational fluid dynamics (CFD) simulation of the supersonic jet with and without a shrouding flame at room ambient temperature was carried out and validated against experimental data. The numerical results show that the potential core length of the supersonic oxygen and nitrogen jet with shrouding flame is more than four times and three times longer, respectively, than that without flame shrouding, which is in good agreement with the experimental data. The spreading rate of the supersonic jet decreased dramatically with the use of the shrouding flame compared with a conventional supersonic jet. The present CFD model was used to investigate the characteristics of the supersonic coherent oxygen jet at steelmaking conditions of around 1700 K (1427 °C). The potential core length of the supersonic coherent oxygen jet at steelmaking conditions was 1.4 times longer than that at room ambient temperature.
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页码：1354 / 1367
页数：13
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