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Open AccessArticle

Measurement of Surface Velocity in a 150 mm × 1270 mm Slab Continuous-Casting Mold

1
School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
2
School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
*
Author to whom correspondence should be addressed.
Metals 2020, 10(4), 428; https://doi.org/10.3390/met10040428 (registering DOI)
Received: 8 March 2020 / Revised: 20 March 2020 / Accepted: 22 March 2020 / Published: 25 March 2020
(This article belongs to the Special Issue Numerical Modelling in Steel Metallurgy)
Surface velocity in the continuous-casting mold needs to be studied to better control the quality of steel products. In this paper, the measurement of surface velocity in a 150 mm × 1270 mm slab continuous-casting mold was investigated. Taking the slag layer into consideration, a numerical simulation was performed which was validated by a particle image velocimetry test. A nail-board experiment was also conducted to measure surface velocity in the continuous-casting mold. The effect of nail diameter used in nail-board experiment on the measurement of the surface velocity was also discussed to improve the precision of nail-board experiment result. The results showed that the maximum surface velocity was 0.739 m/s around the mid-section of the free surface, and the results of nail-board experiments were more accurate when the steel nail diameter was 10 mm.
Keywords: continuous-casting mold; numerical simulation; surface velocity; nail-board experiment continuous-casting mold; numerical simulation; surface velocity; nail-board experiment
MDPI and ACS Style

Wang, Y.; Feng, J.; Yang, S.; Li, J. Measurement of Surface Velocity in a 150 mm × 1270 mm Slab Continuous-Casting Mold. Metals 2020, 10, 428.

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