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Liquid steel flow in continuous casting machine: Modelling and measurement
Date
2011-08-01
Author
Yavuz, Mehmet Metin
Metadata
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Single phase (liquid steel) and two-phase (liquid steel and argon bubbles) three-dimensional computational fluid dynamic and heat transfer models were developed for the continuous casting machines of ArcelorMittal. The computational domains include tundishes, slide gates, submerged entry nozzles and moulds. The effects of buoyancy, tundish design, tundish practices, nozzle design and caster practices on flow structure were investigated. Mathematical modelling is discussed in detail. In addition, submeniscus velocity measurements in the slab caster mould are performed with the method of torque measurement. A consumable probe is inserted into the liquid steel meniscus from the top of the mould through mould powder and slag layer. The liquid steel flow applies a drag force to the probe, which then generates a torque. This torque value is measured and then converted back to velocity. The concept and challenges of the technique are discussed, and the effects of casting parameters on mould flow structure are investigated. Product quality in relation to real time meniscus velocity measurements is also discussed.
Subject Keywords
Mechanical Engineering
,
Materials Chemistry
,
Mechanics of Materials
,
Metals and Alloys
URI
https://hdl.handle.net/11511/39697
Journal
Ironmaking and Steelmaking
DOI
https://doi.org/10.1179/1743281211y.0000000013
Collections
Department of Mechanical Engineering, Article
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M. M. Yavuz, “Liquid steel flow in continuous casting machine: Modelling and measurement,”
Ironmaking and Steelmaking
, pp. 453–463, 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39697.