Abstract
The work is devoted to a mathematical and computer modeling of complex hydrodynamic and mixing phenomena during gas blowing in steelmaking ladle equipped with an axial dissoluble disk. Obtained figures show that a time-dependent shape of the dissolving barrier significantly changes fluid flows influencing speed near top surface of the melt and near ladle wall. The former speeds can move slag with appearing of unnecessary “eye” in it and the latter damages ladle’s lining. The ladle represented by cylinder and the melt – by multicomponent continuum according to the Eulerian-Eulerian approach. Also it is considered the multithreading implementation of the computer algorithm. It has high scalability of calculation performance when more CPU cores are occupied as shown on the corresponding chart. Presented figures show the concentration of gas and addition at the beginning, middle and end of the disk dissolution. Comparison of numerical model results shows good correspondence with data of physical modeling presented in scientific literature. The developed model is proposed to conduct series of experiments with the aim of ladle treatment optimization.
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Krasnikov, K. (2022). Numerical Modeling of Disk Dissolution in Melt During Gas Blowing. In: Babichev, S., Lytvynenko, V. (eds) Lecture Notes in Computational Intelligence and Decision Making. ISDMCI 2021. Lecture Notes on Data Engineering and Communications Technologies, vol 77. Springer, Cham. https://doi.org/10.1007/978-3-030-82014-5_2
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DOI: https://doi.org/10.1007/978-3-030-82014-5_2
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