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LARGE EDDY SIMULATION OF UNSTEADY ARGON/STEEL TWO PHASE TURBULENT FLOW IN A CONTINUOUS CASTING MOLD
Alternative TitleLARGE EDDY SIMULATION OF UNSTEADY ARGON/ STEEL TWO PHASE TURBULENT FLOW IN A CONTINUOUS CASTING MOLD
Liu Zhongqiu1; Li Baokuan1; Jiang Maofa1; Zhang Li2; Xu Guodong2
2013
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume49Issue:5Pages:513-522
AbstractA large eddy simulation of unsteady argon/steel two phase flow in a continuous casting mold is presented in this work. The inhomogeneous Euler-Euler approach is used to describe the equations of motion of the two phase flow. Large eddy simulation model is used to solve the turbulent viscosity force. The drag force, lift force and virtual mass force are incorporated in the model. And this model has been validated with a water model experiment and the measurements of the ultrasonic flaw detection. The predicted unsteady two phase turbulent flow characteristics were validated, indirectly, by the measurements of ultrasonic flaw detection. The predicted asymmetric flow was validated by the water model experiment. The simulation results show that the distribution of the bubble diameter is seen to depend on the argon gas and molten steel flow rates. The mean bubble diameter decreases with increasing the molten steel flow rate, but increases with increasing the argon gas flow rate.. The asymmetric flow inside the mold was not stationary; the time intervals for changeover appeared to be vary random. It can be concluded that the shape of the bending part of the secondary cooling zone of mold is important to the asymmetric flow. The asymmetric flow occurs near the bending section.
KeywordARGON GAS INJECTION MAGNETIC-FIELD APPLICATION CONTINUOUS STEEL CASTER GATE TUNDISH NOZZLES WATER MODEL NUMERICAL-SIMULATION BUBBLE FORMATION LIQUID STEEL MOLTEN STEEL SLAB CASTER continuous casting mold two phase flow large eddy simulation Euler-Euler approach
Indexed ByCSCD
Language英语
CSCD IDCSCD:4841991
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157626
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Baoshan Iron & Steel Ltd Co, Shanghai 201900, Peoples R China
Recommended Citation
GB/T 7714
Liu Zhongqiu,Li Baokuan,Jiang Maofa,et al. LARGE EDDY SIMULATION OF UNSTEADY ARGON/STEEL TWO PHASE TURBULENT FLOW IN A CONTINUOUS CASTING MOLD[J]. ACTA METALLURGICA SINICA,2013,49(5):513-522.
APA Liu Zhongqiu,Li Baokuan,Jiang Maofa,Zhang Li,&Xu Guodong.(2013).LARGE EDDY SIMULATION OF UNSTEADY ARGON/STEEL TWO PHASE TURBULENT FLOW IN A CONTINUOUS CASTING MOLD.ACTA METALLURGICA SINICA,49(5),513-522.
MLA Liu Zhongqiu,et al."LARGE EDDY SIMULATION OF UNSTEADY ARGON/STEEL TWO PHASE TURBULENT FLOW IN A CONTINUOUS CASTING MOLD".ACTA METALLURGICA SINICA 49.5(2013):513-522.
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