Prediction of the Shape of Molten Flux Film in Continous Casting Process

In the continuous casting process, molten flux film locates between mold and solidified shell. The film has two important roles. One is lubrication of two solids. The other role is controlling heat transfer from the shell to the mold. The shape of the liquid flux film is one of the most important factors for the film to execute both roles properly. However, the number of the studies about the shape of the film has been rare and results are quite different from each other. In the present study, a new approach is applied to determine the shape of the film. This approach is based on the force valence between static pressure of molten steel and internal pressure of liquid flux film and solving heat and momentum equations in the flux film. The results of the present study well explained the experimental results of laboratory and field operations.