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۱Physical Modeling of Steel Delivery during Thin Slab Continuous Casting
نویسنده(ها):
اطلاعات انتشار: International Journal of iron and steel society of Iran، پنجم،شماره۱(پياپي ۸)، ۲۰۰۸، سال
تعداد صفحات: ۶
A full scale physical model of a thin slab caster with a four–hole design submerged entry nozzle (SEN) was constructed. On the basis of the dimensionless Reynolds and Froude similitude criteria, the fluid flow in a full– scale model is similar to that of the actual system and, hence, the data obtained from the water model can be applied to the actual system. In order to determine the optimum o perational parameters, experiments were carried out under different casting conditions. The results showed that the four–hole nozzle design leads to a special flow pattern. It was also shown that increased casting speed and gas injection both resulted in surface turbulence. In order to avoid surface turbulence and the related casting problems, it is recommended that SEN depths o f 30 and 40 cm be used for casting speeds of 3.5 and 4.5 m\min, respectively.
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