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金属学报  2020, Vol. 56 Issue (4): 619-632    DOI: 10.11900/0412.1961.2019.00385
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冶金过程中的气液两相流模拟
王波1,2,沈诗怡1,2,阮琰炜1,2,程淑勇1,2,彭望君1,2,张捷宇1,2()
1.上海大学省部共建高品质特殊钢冶金与制备国家重点实验室 上海 200444
2.上海大学材料科学与工程学院 上海 200444
Simulation of Gas-Liquid Two-Phase Flow in Metallurgical Process
WANG Bo1,2,SHEN Shiyi1,2,RUAN Yanwei1,2,CHENG Shuyong1,2,PENG Wangjun1,2,ZHANG Jieyu1,2()
1.State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai 200444, China
2.School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
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摘要: 

冶金过程是一个涉及高温、多相流动和复杂物理变化及化学反应的多个反应单元体串联和并联的冶炼过程。目前由于单元反应器现场条件的复杂性和测量观测手段的限制,数值模拟和物理模拟相结合的研究方法已成为重现和解析其物理现象及传输机理不可或缺的手段。在洁净钢的冶炼中,由于气相的参与,形成了复杂多变的气液两相流,对反应器内的传输行为产生重要影响。两相流模拟的核心在相界面上,相间动量传递模型和相间作用力模型的精确性是准确预报不同两相流体系中气相分布的关键。本文综述了冶金过程中基于Euler体系模拟气液两相流动的几种基本模型,以及相间作用力模型和湍流模型。总结了不同冶金过程和反应器内(转炉炼钢、电炉炼钢、精炼、中间包、结晶器)气液两相流动传输行为数值和物理模拟的应用和发展趋势。

关键词 冶金过程气液两相流数值模拟物理模拟    
Abstract

The metallurgical process involves complex phenomena comprising high temperature, the multiphase flow, and the physical and chemical reactions in the process reactors. Because of the complexity of the metallurgical process and the limitation conditions for the direct measuring and observation, numerical and physical simulations have become indispensable and effective tools to analyze and reproduce the transport phenomena and mechanisms occurring in the process. Transport phenomena of the gas-liquid two-phase flow plays a dominant role in process metallurgy since their respective movement laws govern the kinetics of the various physical phenomena in the metallurgical reactors. The gas-liquid two-phase flow has complex interface structures, and the accuracy of the interfacial momentum transfer models, including the interfacial forces, which is one of the keys to predicting the distribution of gas phase in the two-phase flow system successfully. This paper is aiming at reviewing the two-phase flow models based on the Euler-Euler system, the interfacial force model, and the turbulence model for gas-liquid two-phase flow. The use and extent of numerical and physical simulation for transport phenomena of two-phase flow in the steelmaking and casting processes are summarized and explored, including the basic oxygen furnace, electric arc furnace, refining, tundish, and molds. The methods and typical application in the numerical and physical simulation of gas-liquid two-phase flow will provide useful guides for the research.

Key wordsmetallurgical process    gas-liquid two-phase flow    numerical simulation    physical simulation
收稿日期: 2019-11-11     
ZTFLH:  TF7  
通讯作者: 张捷宇     E-mail: zhangjieyu@shu.edu.cn
Corresponding author: Jieyu ZHANG     E-mail: zhangjieyu@shu.edu.cn
作者简介: 王 波,男,1974年生,教授,博士

引用本文:

王波,沈诗怡,阮琰炜,程淑勇,彭望君,张捷宇. 冶金过程中的气液两相流模拟[J]. 金属学报, 2020, 56(4): 619-632.
Bo WANG, Shiyi SHEN, Yanwei RUAN, Shuyong CHENG, Wangjun PENG, Jieyu ZHANG. Simulation of Gas-Liquid Two-Phase Flow in Metallurgical Process. Acta Metall Sin, 2020, 56(4): 619-632.

链接本文:

https://www.ams.org.cn/CN/10.11900/0412.1961.2019.00385      或      https://www.ams.org.cn/CN/Y2020/V56/I4/619

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