Abstract
The present study deals with a numerical investigation of an electric arc furnace (EAF). A model based on radiative heat transfer has been generated to estimate the temperature distribution inside the furnace. The obtained results from this model provide realistic and reasonable predictions of the temperature, comparing with the results of the experimental measurements of wall temperature. Based on calculated temperatures fields, full numerical analysis of the cooling panel was performed. The numerical results from the cooling system simulation were also compared with experimental measurements of outlet water temperature from experimental apparatus and showed good accuracy. In addition, a parametric study was carried out to determine the influence of geometrical parameters and slag layer formation inside the furnace on temperature distribution within the furnace. It was concluded that the diameter of the furnace is the main geometrical parameter affecting temperature distribution in a furnace and the roof inclination angle appeared to be of secondary importance. The effects of slag layer thickness on the walls were also numerically investigated and it was observed that the formation of slag layer on the furnace walls has a significant impact on the safe operation of the furnace and improved furnace efficiency.
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