Mathematical and computational modelling of the dynamic behaviour of direct current plasma arcs

Q.G. Reynolds; R.J. Jones; B.D. Reddyt

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Mathematical and computational modelling of the dynamic behaviour of direct current plasma arcs

机译：直流等离子弧动态行为的数学和计算模型

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The problem of direct-current plasma arc behaviour, interaction, and dynamics is considered in the context of metallurgical DC arc furnace applications. Particular attention is paid to the transient flow behaviour of arc systems. A mathematical formulation of the physics used to describe the arc system is presented, and includes the spatial and temporal evolution of fluid flow, heat transfer, and electromagnetism. Based on this formulation, a numerical model is developed using a finite difference approach on a regular cartesian grid in both two and three dimensions, with a special focus on robust stability, high resolution modelling, and high performance. KPyrometallurgy;;direct-current furnace;;plasma arc;;modelling

机译：在冶金直流电弧炉应用中考虑了直流等离子体电弧行为，相互作用和动力学问题。特别注意电弧系统的瞬态流动特性。介绍了用于描述电弧系统的物理学的数学公式，其中包括流体流动，传热和电磁的时空演化。基于此公式，在二维和三维二维规则笛卡尔网格上使用有限差分方法开发了数值模型，并特别关注鲁棒稳定性，高分辨率建模和高性能。高温冶金;直流电炉;等离子弧;;建模

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《Journal Of The South African Institute Of Mining & Metallurgy》 |2010年第12期|共10页
作者
Q.G. Reynolds; R.J. Jones; B.D. Reddyt;
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机译：直流等离子弧动态行为的数学和计算模型
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Mathematical and computational modelling of the dynamic behaviour of direct current plasma arcs

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