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Desenvolvimento de um procedimento computacional para o estudo do escoamento no interior de distribuidores de lingotamento contínuo

  • Kruger, Marcelo
Publication Date
Oct 25, 2012
Repositório Institucional da UFSC
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This work presents a study and numerical models validation that permits evaluate the flow inside a tundish configuration implemented by flow modifiers. The goal is to use the computational simulation to develop new approaches that help to design and increase the performance of the refractory products developed in the company Magnesita. The numerical models have been performed with the help of the commercial CFD code ANSYS CFX®, which employs the Element Based Finite Volume Method to solve the conservation equations in the proper domain. At the first step, it was performed the validation among numerical and experimental results for a tundish composed with dams and turbulence inhibitors, considering a single-phase flow of water, three dimensional, permanent and turbulent model. The model has been validated through a comparison of the Residence Time Distribution, the volumes and times characteristics. In a second step, a multiphase flow computational model of gas injection inside a tundish has been developed and validated with experimental data. The model has been validated through a comparison of Residence Time Distribution and inclusion removal analysis through the Lagrangian formulation with experimental measurements. The work provides an important technology in terms of numerical methodology in the tundish projects.

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