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Simulation of fluid flow and inclusion removal in five-flow T-type tundish with porous baffle wall
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Zhao, Shuo, Zhu, Shibin, Ge, Yangyang, Wang, Jianfeng, Xu, Dong, Li, Zushu and Chen, Chao (2023) Simulation of fluid flow and inclusion removal in five-flow T-type tundish with porous baffle wall. Metals, 13 (2). 215. doi:10.3390/met13020215 ISSN 2075-4701.
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Official URL: https://doi.org/10.3390/met13020215
Abstract
To solve the instability of liquid steel in the continuous casting process and the inconsistent flaw detection of heavy rail steel, steel flow control was studied numerically in a tundish with a po-rous baffle wall by using the fluid dynamics software Fluent. The opening plan of the baffle wall was improved through orthogonal optimization design of holes in porous baffle wall. The test condition was set to a left inclination angle α1 = 22°, a right inclination angle α2 = 48°, an upward elevation angle β = 30°, and an aperture d = 70 mm. The simulation results of optimization scheme showed that the uniformity of the flow and temperature fields had been significantly improved, and the flow in each strand became consistent. The maximum temperature difference was 21 K in tundish, and the maximum temperature difference of three outlets was only 1.7 K. The dead zone volume was reduced by 10.0 % compared to the original tundish, and the plug flow volume was increased by 14.2 %. Comparing the removal efficiency of Al2O3 inclusions with different size, the results showed that the removal efficiency of 10 μm and 30 μm smaller inclusions was above 87 %. The removal rate of ≥ 50 μm larger inclusions also remained about 95 %.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Steel, Fluid mechanics -- Mathematical models, Steel founding | |||||||||||||||
Journal or Publication Title: | Metals | |||||||||||||||
Publisher: | MDPI | |||||||||||||||
ISSN: | 2075-4701 | |||||||||||||||
Official Date: | 23 January 2023 | |||||||||||||||
Dates: |
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Volume: | 13 | |||||||||||||||
Number: | 2 | |||||||||||||||
Article Number: | 215 | |||||||||||||||
DOI: | 10.3390/met13020215 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
Date of first compliant deposit: | 30 January 2023 | |||||||||||||||
Date of first compliant Open Access: | 30 January 2023 | |||||||||||||||
RIOXX Funder/Project Grant: |
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