Influence of spraying parameters on local surface temperature in slab casting of defect sensitive steel grades: Physical and numerical simulation
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Proceedings of 6th ESTAD (European Steel Technology and Application Days) 2023. 2023.
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TY - GEN
T1 - Influence of spraying parameters on local surface temperature in slab casting of defect sensitive steel grades: Physical and numerical simulation
AU - Taferner, Matthias
AU - Bernhard, Christian
AU - Bernhard, Michael Christian
AU - Laschinger, Julian
AU - Ilie, Sergiu
PY - 2023/6/13
Y1 - 2023/6/13
N2 - Secondary cooling is a critical step in achieving the desired surface quality of steel grades in continuous casting. The quality of the surface is highly dependent on the heat transfer coefficients (HTC) between the air-mist cooling sprays and the strand surface. The laboratory setups characterizing the HTC have been numerous, but the recently developed nozzle measuring stand (NMS) at “Montanuniversitaet Leoben” is unique in its ability to measure water distribution, impact pressure, and local HTC for a wide range of spray parameters, including the overlap region between two sprays. By embedding the NMS into the m²CAST 2D-FV-solidification simulation software, the measured parameters can be transformed via various regression models to enable direct control of surface temperature during CC.
AB - Secondary cooling is a critical step in achieving the desired surface quality of steel grades in continuous casting. The quality of the surface is highly dependent on the heat transfer coefficients (HTC) between the air-mist cooling sprays and the strand surface. The laboratory setups characterizing the HTC have been numerous, but the recently developed nozzle measuring stand (NMS) at “Montanuniversitaet Leoben” is unique in its ability to measure water distribution, impact pressure, and local HTC for a wide range of spray parameters, including the overlap region between two sprays. By embedding the NMS into the m²CAST 2D-FV-solidification simulation software, the measured parameters can be transformed via various regression models to enable direct control of surface temperature during CC.
M3 - Conference contribution
BT - Proceedings of 6th ESTAD (European Steel Technology and Application Days) 2023
T2 - 6th ESTAD (European Steel Technology and Application Days) 2023
Y2 - 12 June 2023 through 16 June 2023
ER -
