Water Model Study on Convection Pattern of Molten Steel Flow in Continuous Casting Tundish

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著者

    • SHENG Dong-yuan
    • School of Material Science and Engineering, Seoul National University
    • KIM Chang-soo
    • Graduate Student, School of Material Science and Engineering, Seoul National University
    • YOON Jong-kyu
    • School of Materials Science and Engineering, Seoul National University

抄録

Natural convection will obviously influence the liquid steel flow in continuous casting (CC) tundish, which cannot be neglected in tundish metallurgical process. Through the theoretical analysis, the dimensionless number, Gr/Re<sup>2</sup>, is adopted to determine the convection pattern in tundish system. Validity of this criteria in a reduced scale water model are also discussed in this paper. Non-isothermal water model experiment with the temperature variation of inlet stream, has been simulated to see the effect of temperature variation of ladle stream. The convection pattern of molten steel flow in continuous casting tundish is also studied numerically by using the commercialized computational fluid dynamic (CFD) software package, CFX4. From the results of theoretical analysis, physical and mathematical model simulation, it can be stated that the convection pattern of molten steel flow in tundish is controlled by the combined nature convection and forced convection.

収録刊行物

  • ISIJ international  

    ISIJ international 38(8), 843-851, 1998-08-15 

    The Iron and Steel Institute of Japan

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