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Comparison of the Flow Field in the Slab Continuous Casting Mold Between the Two- and Three-Hole Nozzles with High Temperature Quantitative Velocity Measurement and Numerical Simulation.

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Title: Comparison of the Flow Field in the Slab Continuous Casting Mold Between the Two- and Three-Hole Nozzles with High Temperature Quantitative Velocity Measurement and Numerical Simulation.
Authors: Li, Yuntong1 (AUTHOR), Yang, Jian1 (AUTHOR) yang_jian@t.shu.edu.cn, Meng, Jinsong2 (AUTHOR), Sun, Qun2 (AUTHOR), Lin, Yang2 (AUTHOR), Du, Lin2 (AUTHOR), Yang, Zeyu1 (AUTHOR), Chen, Zhuo1 (AUTHOR)
Source: JOM: The Journal of The Minerals, Metals & Materials Society (TMS). Dec2024, Vol. 76 Issue 12, p6972-6985. 14p.
Subjects: Jets (Fluid dynamics), Pyrometry, Continuous casting, Gas flow, Molds (Casts & casting)
Abstract: The flow field, fluctuation of interface between steel and slag, distribution and capture of argon gas and solidified shell thickness in molds with different nozzles with two or three holes are studied with high-temperature quantitative velocity measurement and numerical simulation. The simulated results of surface velocities are in good agreement with the high temperature measurement results under different argon gas flow rates in the mold with the two- and three-hole nozzles. Compared to the mold with the three-hole nozzle, in the mold with the two-hole nozzle, the surface velocities of molten steel, fluctuation of interface between steel and slag, and inclination angles of jet flow of molten steel are larger, while the capture ratio of argon gas bubbles and solidified shell thickness are smaller under the same continuous casting parameters. When the argon gas flow rate is increased from 4 L/min to 8 L/min, the inclination angle of jet flow and capture ratio of argon gas decrease from 21.8° to 16.7° and increase from 0.12% to 0.27% in the mold with the two-hole nozzle. Those decrease from 20.5° to 11.3° and increase from 0.44% to 0.49% in the mold with the three-hole nozzle, respectively. [ABSTRACT FROM AUTHOR]
Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Comparison of the Flow Field in the Slab Continuous Casting Mold Between the Two- and Three-Hole Nozzles with High Temperature Quantitative Velocity Measurement and Numerical Simulation.
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  Data: <searchLink fieldCode="JN" term="%22JOM%3A+The+Journal+of+The+Minerals%2C+Metals+%26+Materials+Society+%28TMS%29%22">JOM: The Journal of The Minerals, Metals & Materials Society (TMS)</searchLink>. Dec2024, Vol. 76 Issue 12, p6972-6985. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Jets+%28Fluid+dynamics%29%22">Jets (Fluid dynamics)</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrometry%22">Pyrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+casting%22">Continuous casting</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+flow%22">Gas flow</searchLink><br /><searchLink fieldCode="DE" term="%22Molds+%28Casts+%26+casting%29%22">Molds (Casts & casting)</searchLink>
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  Group: Ab
  Data: The flow field, fluctuation of interface between steel and slag, distribution and capture of argon gas and solidified shell thickness in molds with different nozzles with two or three holes are studied with high-temperature quantitative velocity measurement and numerical simulation. The simulated results of surface velocities are in good agreement with the high temperature measurement results under different argon gas flow rates in the mold with the two- and three-hole nozzles. Compared to the mold with the three-hole nozzle, in the mold with the two-hole nozzle, the surface velocities of molten steel, fluctuation of interface between steel and slag, and inclination angles of jet flow of molten steel are larger, while the capture ratio of argon gas bubbles and solidified shell thickness are smaller under the same continuous casting parameters. When the argon gas flow rate is increased from 4 L/min to 8 L/min, the inclination angle of jet flow and capture ratio of argon gas decrease from 21.8° to 16.7° and increase from 0.12% to 0.27% in the mold with the two-hole nozzle. Those decrease from 20.5° to 11.3° and increase from 0.44% to 0.49% in the mold with the three-hole nozzle, respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Jets (Fluid dynamics)
        Type: general
      – SubjectFull: Pyrometry
        Type: general
      – SubjectFull: Continuous casting
        Type: general
      – SubjectFull: Gas flow
        Type: general
      – SubjectFull: Molds (Casts & casting)
        Type: general
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      – TitleFull: Comparison of the Flow Field in the Slab Continuous Casting Mold Between the Two- and Three-Hole Nozzles with High Temperature Quantitative Velocity Measurement and Numerical Simulation.
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            – D: 01
              M: 12
              Text: Dec2024
              Type: published
              Y: 2024
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