Modeling of Continuous Electromagnetic Removal of Inclusions from Molten Metals

Authors

1 Center of Excellence for Advanced Materials and Processing (CEAMP), School of Materials and Metallurgical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran

2 McGill Metals Processing Centre (MMPC), McGill University, Montreal, Canada

Abstract

In this research, a 3-D mathematical model is developed for simulating electromagnetic continuous removal of inclusions from molten metals. The model includes the computation of electromagnetic force field and fluid flow in the presence of electromagnetic forces. The results of flow field together with electromagnetic force field were further used for calculating the trajectory of inclusions in the molten metal. Parametric studies were performed to evaluate the effects of various parameters such as magnetic field intensity, inclusion size, and fluid velocity on inclusion removal efficiency in molten magnesium. In order to verify the mathematical model and visualize the trajectories of particles in the melt flow under electromagnetic force, a physical model was constructed. The predicted particle trajectories and separation in the physical model were compared with those obtained from experiments, which showed a relatively good agreement.

Keywords

Journal of Advanced Materials in Engineering (Esteghlal)
Volume 28, Issue 1
June 2009
Pages 29-46

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