Experimental and Numerical Simulation of Fluid Flow and Inclusion Removal in Steel Continuous Casting Tundish

During the continuous casting process, Tundish is the last metallurgical actuator in which there will be an opportunity for removal of impurities present in the melt. Therefore, improving of the fluid flow phenomena inside the tundish, including the type of flow pattern, increasing of inclusion residence time in the tundish, decreasing of volume of stagnant fluid and increasing of fluid flow in the rotation, can improve the process of separation of the inclusion and the preparation of clean steel. In the mathematical method, the FLUENT software is used and in the experimental method, by manufacturing of the glass tundish in 1:4 scale and flow physical simulation, the effect of applying the dam in the tundish, as well as the change in the height of the melt on the behavior of the flow has been investigated, and it has been determined that decreasing of the molten height in the tundish increases the separated inclusion from the molten and inclusion residence time in Tundish. Also, by using the dam at inlet nozzle with a tall dam on the sides of the tundish, flow pattern is improved and the inclusion removal will be.