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Numerical simulation for the interfacial behavior of steel and slag in a slab continuous casting mold with blowing argon gas
Alternative TitleNUMERICAL SIMULATION FOR THE INTERFACIAL BE- HAVIOR OF STEEL AND SLAG IN A SLAB CONTINUOUS CASTING MOLD WITH BLOWING ARGON GAS
Cao Na; Zhu Miaoyong
2008
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume44Issue:1Pages:79-84
AbstractThe interfacial behavior between fluid steel and molten slag layer in a slab continuous casting mold with blowing argon gas was described using the VOF (volume of fluid) method and Lagrange multi-phase flow model, and the prediction was validated by the water model. The influences of casting speed, argon gas volume flowrate, mold width, submergence depth of SEN (submerged entry nozzle) and bubble size on interfacial behavior were numerically investigated. The results show that given a casting speed 1.8 m/min, the upper circulating flow in the mold gradually disappears and the interfacial unevenness disturbed by argon bubbles is gradually evident with increasing argon gas flowrate. Raising the casting speed from 1.2 m/min to 2.2 m/min leads to the deeper penetration of bubbles and less influences of argon bubbles on the flow pattern and interfacial profile at a given argon gas flowrate. Increasing the submergence depth of SEN can effectively restrain interfacial oscillations in mold, while mold width has little effect on it. Bubble size has a remarkable influence on the interfacial behavior of molten steel and slag in mold.
KeywordWATER-MODEL ENTRAPMENT MECHANISM BUBBLE CASTER SPEED FLOW continuous casting mold blowing argon steel/slag interface numerical simulation
Indexed ByCSCD
Language英语
CSCD IDCSCD:3211778
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/146361
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Cao Na,Zhu Miaoyong. Numerical simulation for the interfacial behavior of steel and slag in a slab continuous casting mold with blowing argon gas[J]. ACTA METALLURGICA SINICA,2008,44(1):79-84.
APA Cao Na,&Zhu Miaoyong.(2008).Numerical simulation for the interfacial behavior of steel and slag in a slab continuous casting mold with blowing argon gas.ACTA METALLURGICA SINICA,44(1),79-84.
MLA Cao Na,et al."Numerical simulation for the interfacial behavior of steel and slag in a slab continuous casting mold with blowing argon gas".ACTA METALLURGICA SINICA 44.1(2008):79-84.
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