The application of the numerical model requires systematic experimentation and measurement of operational parameters on a real continuous casting machine as welt as in the laboratory.The measurement results, especially temperatures, serve not only for the verification of the exactness of the model, but mainly for optimization of the process procedure: real process -> input data -> numerical analysis -> optimization ->correction of real process. The must important part of the investigation is the measurement of the temperatures in the walls of the crystallizer and the surface of the slab in the zones of secondary and tertiary cooling. The radio-isotope measurement of the metallographic length significantly contributes to the verification of the model.
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