Modelling gas injection of a Peirce-Smith-converter

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A commercial CFD-code PHOENICS was used to solve isothermal flow field of gas and liquid in a Peirce-Smith-converter. An Euler-Euler based algorithm was chosen for modelling fluid dynamics and evaluating controlling forces of a submerged gas injection. Predictions were made with a k-ε turbulence model in the body fitted coordinate system. The model has been verified with a 1/4 scale water model, and a parametric study with the mathematical model of submerged gas injection was made for the PS-process and the ladle injection processes. Limits of the modelling technique used were recognised, but calculated results indicate that the present model predicts the general flow field with reasonable accuracy. Predicted bubble distribution, pattern of the flow field and magnitude of flow velocities were used to evaluate scaling factors of physical models and general flow conditions of an industrial PS-converter.




Vaarno, J., Pitkälä, J., Ahokainen, T., & Jokilaakso, A. (1998). Modelling gas injection of a Peirce-Smith-converter. Applied Mathematical Modelling, 22(11), 907–920.

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