Title

MOULD FLOW PREDICTION AND OPTIMIZATION

MOULD FLOW PREDICTION AND OPTIMIZATION

Authorship

Heaslip, L.J.; Dorricott, J.D.; Richaud, J.; Rogler, J.P.; A.Alves, W.

Heaslip, L.J.

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Dorricott, J.D.

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Richaud, J.

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Rogler, J.P.

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A.Alves, W.

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DOI

10.5151/2594-5300-0056

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Abstract

Mould flow characterization of behavior has traditionally been performed by means of physical water modeling. In general, water modeling requires full-scale apparatus in order to provide reasonable similitude to the actual steel system, but physical modeling has certain limitations. These limitations include difficulties accounting for the pressure and thermal gradients that occur in the steel system. Recent advancements in computational fluid dynamics (CFD) improve the applicability of this tool in mould flow analysis. However, significant enhancements to commercial CFD software, such as customization of turbulence models and properly developed boundary layer analytic methods are required. The production of meaningful solutions requires a highly skilled and knowledgeable practitioner. Substantial experience with water models is necessary for model validation and training of the researcher. It remains essential that physical (water) modeling be used as a complementary tool to CFD analysis. CFD simulation in conjunction with water modeling has advanced steel flow control from tundish-to-mould and SEN design. These advancements include improved tundish-to-mould flow regulation, enhanced mould flow stability and symmetry, and reduced meniscus fluctuations and standing wave.

Mould flow characterization of behavior has traditionally been performed by means of physical water modeling. In general, water modeling requires full-scale apparatus in order to provide reasonable similitude to the actual steel system, but physical modeling has certain limitations. These limitations include difficulties accounting for the pressure and thermal gradients that occur in the steel system. Recent advancements in computational fluid dynamics (CFD) improve the applicability of this tool in mould flow analysis. However, significant enhancements to commercial CFD software, such as customization of turbulence models and properly developed boundary layer analytic methods are required. The production of meaningful solutions requires a highly skilled and knowledgeable practitioner. Substantial experience with water models is necessary for model validation and training of the researcher. It remains essential that physical (water) modeling be used as a complementary tool to CFD analysis. CFD simulation in conjunction with water modeling has advanced steel flow control from tundish-to-mould and SEN design. These advancements include improved tundish-to-mould flow regulation, enhanced mould flow stability and symmetry, and reduced meniscus fluctuations and standing wave.

Keywords

Mould flow; Water modeling; Continuous casting; Steel flow analysis

Mould flow; Water modeling; Continuous casting; Steel flow analysis