Rogers, S. (2013) Conjugate heat transfer analysis evaluation of a water cooled component for use in an electric arc furnace. [USQ Project]
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Abstract
Pressure rings are key mechanical components of an electrode column in a smelting furnace. They operate inside the furnace, just above the raw charge within the furnace flame and hot gasses. Due to their working environment, a pressure ring is typically a water cooled component. Early furnace designs employed stainless steel cast segments that formed the pressure ring. In recent years the industry has moved away from the cast stainless steel pressure ring design to a manufactured wrought copper design. The fundamental differences between the cast stainless steel design and the manufactured copper design are the change in material, as well as the cooling water passage design. A cast passage can be optimally placed and shaped, whereas the manufactured pressure rings cooling passage is typically made of round straight drilled passages that are not always optimally placed due to manufacturing constraints. These key design differences were evaluated and compared using ANSYS FLUENT to conduct a conjugate heat transfer analysis on each design.
Having reliable simulations of existing components help design engineers develop new components in shorter time with improved performance characteristics by providing a tool to assist in understanding of the relationship of the variable design parameters on the performance of a specific component.
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