The effects of casting speed on steel continuous casting process |
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Authors: | Mohammad Sadat Ali Honarvar Gheysari Saeid Sadat |
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Institution: | (1) Department of Mechanics, Mashhad Branch, Islamic Azad University, Mashhad, Iran |
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Abstract: | A three dimensional simulation of molten steel flow, heat transfer and solidification in mold and “secondary cooling zone”
of Continuous Casting machine was performed with consideration of standard k−ε model. For this purpose, computational fluid
dynamics software, FLUENT was utilized. From the simulation standpoint, the main distinction between this work and preceding
ones is that, the phase change process (solidification) and flow (turbulent in mold section and laminar in secondary cooling
zone) have been coupled and solved jointly instead of dividing it into “transient heat conduction” and “steady fluid flow”
that can lead to more realistic simulation. Determining the appropriate boundary conditions in secondary cooling zone is very
complicated because of various forms of heat transfer involved, including natural and forced convection and simultaneous radiation
heat transfer. The main objective of this work is to have better understanding of heat transfer and solidification in the
continuous casting process. Also, effects of casting speed on heat flux and shell thickness and role of radiation in total
heat transfer is discussed. |
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Keywords: | |
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