Thermal modelling of a torpedo-car
Keywords:Ironmaking, heat transfer, refractories, modelling, torpedo-car
A two-dimensional finite element model for computing the temperature distribution in a torpedo-car holding pig iron is described in this work. The model determines the temperature gradients in steady and transient conditions within the different parts that constitute the system, which are considered to be the steel casing, refractory lining, liquid iron, slag and air. Heat transfer within the main fluid phases (iron and air) is computed assuming an apparent thermal conductivity term incorporating the contribution from convection and radiation, and it is affected by the dimensions of the vessel. Thermal gradients within the constituents of the torpedo-car are used to calculate heat losses during operation. It was found that the model required the incorporation of a region within the iron-refractory interface to reproduce thermographic data recorded during operation; the heat transfer coefficient of this interface was found to be equal to 30 Wm-2K-1.
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How to Cite
Verdeja-González, L. F., Barbés-Fernández, M. F., González-Ojeda, R., Castillo, G. A., & Colás, R. (2005). Thermal modelling of a torpedo-car. Revista De Metalurgia, 41(6), 449–455. https://doi.org/10.3989/revmetalm.2005.v41.i6.236
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