2021 Nashville AISTech

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Computational Studies and Optimization of Inclusion Removal in a Steel Ladle (Room 205 B)

29 Jun 21

4:00 PM - 4:30 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Abhishek Bhansali, Nucor Steel Berkeley; Joel Godinez, Purdue University Northwest; Xipeng Guo, Purdue University Northwest; Chenn Zhou, Purdue University Northwest; Nicholas Walla, Purdue University Northwest; Vivek Thapliyal, Nucor Steel-Berkeley; Armin Silaen, Purdue University Northwest; Eugene Pretorius, Manager, Steelmaking Technology, Nucor Steel–Berkeley; Helmut Oltmann, Meltshop Metallurgist, Nucor Steel–Berkeley

In a steel refining ladle, the properties of manufactured steel can be notably weakened due to the presence of excessive inclusions. Stirring via gas injection through a porous plug is often used as part of the steel refining process to reduce these inclusions. In this paper, 3D computational fluid dynamics is used to analyze transient multi-phase flow and inclusion removal in a gas-stirred ladle. The effects of gas stirring with bubble-inclusion interaction is analyzed using volume of fluid approach for multi-phase flow modeling while the effects of bubble coalescence and breakup are modeled via discrete phase model and inclusions modeled via population balance model.

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