钢液RH精炼非平衡脱碳过程数学模拟：过程数学模型  

Mathematical Modeling of Non-equilibrium Decarburization Process in RH Refining of Molten Steel:Mathematical Model of the Process

作　　者：魏季和[1] 胡汉涛[1] 

机构地区：[1]上海大学材料科学与工程学院,上海200072

出　　处：《过程工程学报》2008年第S1期9-16,共8页The Chinese Journal of Process Engineering

基　　金：国家自然科学基金(编号:50074022)

摘　　要：考虑和分析了钢液RH非平衡脱碳过程的特征,基于冶金反应工程学和非平衡态热力学及气-液两相流的双流体模型和修正的紊流k-ε型,引入熵衡算和非线性耗散因子,对该过程提出了一个新的三维数学模型,给出了该模型的具体细节,包括控制方程的建立、修正的k-ε双方程模型、相应的源项和边界条件的确定等;对90t装置内的RH和RH-KTB精炼过程,讨论和确定了该模型各有关参数.The characteristics of the non-equilibrium decarburization process during the RH refining of molten steel have been considered and analyzes.On the basis of the fundamentals of metallurgical reaction engineering and non-equilibrium thermodynamics,as well as the two-fluid(Euierian-Eulerian)model for gas-liquid two-phase flow and a modifiedλ-εmodel for turbulent flow,introducing the entropy balance and a non-linear dissipation factor,a novel three-dimensional mathematical model for the process has been propose...

关 键 词：钢液RH精炼过程 非平衡态热力学 非平衡脱碳 数学模型 

分 类 号：TF769[冶金工程—钢铁冶金]