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<p>This work presents the improved application of the chemical planar laser-induced fluorescence (PLIF) to obtain residence time distribution (RTD) curves in a physical model of a two-strand tundish without flow modifiers. It proposes a new experimental methodology to overcome the issues of using this complex technique in continuous reactors. A calibration procedure for PLIF previously developed for gas-stirred ladles is adapted to determine concentration fields in a tundish. The concentration maps obtained by PLIF represent valuable quantitative information about the evolution of solute mixing after a tracer pulse injection. This information may facilitate the analysis of the mass transfer mechanisms involved in mixing phenomena inside the tundish.</p>

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Advantages of Utilizing PLIF to Analyze Mixing Phenomena in a Physical Model of a Two-strand Continuous Casting Tundish

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年9月4日

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  • Alberto Velázquez-Sánchez,
  • Luis E. Jardón-Pérez,
  • Rodrigo Villarreal-Medina,
  • Carlos González-Rivera,
  • Adrián M. Amaro-Villeda,
  • Marco A. Ramírez-Argáez

摘要

This work presents the improved application of the chemical planar laser-induced fluorescence (PLIF) to obtain residence time distribution (RTD) curves in a physical model of a two-strand tundish without flow modifiers. It proposes a new experimental methodology to overcome the issues of using this complex technique in continuous reactors. A calibration procedure for PLIF previously developed for gas-stirred ladles is adapted to determine concentration fields in a tundish. The concentration maps obtained by PLIF represent valuable quantitative information about the evolution of solute mixing after a tracer pulse injection. This information may facilitate the analysis of the mass transfer mechanisms involved in mixing phenomena inside the tundish.