Abstract
Experiments were conducted in a full-scale physical model of a delta-shaped, four-strand tundish to study the effect of flow modifiers on tundish performance. Two different types of flow modifiers were studied; an existing flow-modifier and a turbulence-inhibitor. Their effects were quantified by measuring residence times of fluid in the tundish and residual ratios of inclusions. Although the Turbulence-Inhibitor appeared to be more effective in guiding flows than the flow-modifier, the latter gave the longer average residence times and smaller residence time differences between the inner and outer nozzles, which resulted in a higher residual ratio of inclusions.
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