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Study of Flow Characteristics of Tundish Based on Digital Image Velocimetry Technique

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Abstract

A synthetic hydraulic simulation platform of continuous casting was established based on the digital image velocimetry technique, which was an effective method to obtain flow characteristics. The full physical models of ultrathick slab continuous casting tundish and reduced scale six-stand T-type tundish were simulated before industrial production to assess the effectiveness of these devices and to optimize the tundish design with external heating. The flow and residence time distribution curves obtained by noncontact measurement were investigated based on the digital image technology. The random velocity fluctuations were consequences of the swirl or eddies generated by turbulent flow from the inlet to outlet section. These swirl or eddies tended to be a large circle in the middle of the tundish and small in the vicinity of the wall. The geometric parameters of the tundish were one of the most important factors for tundish design, although the flow control device was important. As a whole, the results derived from physical modeling were in good agreement with those obtained from numerical simulation.

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Acknowledgments

This work is financially supported by the China National Heavy Machinery Research Institute Co., Ltd. and Qingdao Iron and the Steel Group Co., Ltd. The authors thank Baotou Lianfang High Tech Co., Ltd. for their technical support.

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Authors and Affiliations

  1. School of Metallurgy, Northeastern University, Shenyang, 110819, P.R. China

    Jun Huang (Ph.D. Candidate)

  2. Key Laboratory of Integrated Exploitation of Bayan Obo Multi-metal Resources, Inner Mongolia University of Science and Technology, Baotou, 014010, P.R. China

    Jun Huang (Ph.D. Candidate)

  3. Baosteel Research Institute, Shanghai, 201900, P.R. China

    Yongjie Zhang (Professor)

  4. School of Energy and Environment, Inner Mongolia University of Science and Technology, Baotou, P.R. China

    Yazhu Zhang (Associate Professor)

  5. School of Material and Metallurgy, Inner Mongolia University of Science and Technology, Baotou, P.R. China

    Yakun Zhang (Master Candidate), Xin Ye (Master Candidate) & Baofeng Wang (Professor)

Authors
  1. Jun Huang
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  2. Yongjie Zhang
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  3. Yazhu Zhang
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  4. Yakun Zhang
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  5. Xin Ye
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  6. Baofeng Wang
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Corresponding author

Correspondence to Jun Huang.

Additional information

Manuscript submitted December 5, 2015.

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Huang, J., Zhang, Y., Zhang, Y. et al. Study of Flow Characteristics of Tundish Based on Digital Image Velocimetry Technique. Metall Mater Trans B 47, 3144–3157 (2016). https://doi.org/10.1007/s11663-016-0740-8

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  • DOI: https://doi.org/10.1007/s11663-016-0740-8

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