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A Three-Dimensional Three-Phase Model of Gas Injection in AOD Converters
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2014 (English)In: Steel Research International, ISSN 1611-3683, E-ISSN 1869-344X, Vol. 85, no 3, 376-387 p.Article in journal (Refereed) Published
Abstract [en]

A mathematical model of gas injection in the AOD converter process has been developed by augmentation of an earlier developed three-dimensional two-phase model to the slag phase and an industrial relevant geometry including six nozzles. The model is based on fundamental transport equations and includes separate solution of the steel and the gas phases and their coupling by friction as well as the slag phase. The 3D 3-phase (steel, slag, and gas) AOD model has been used to predict fluid flow, turbulence, and bubble characteristics as well as fluid-slag dispersion. In addition, two different gas flow rates have been simulated which resulted in quite different flow pattern. This new findings opens up for future investigations of gas-metal reactions in the AOD converter, which are of key interest from an industrial point of view.

Place, publisher, year, edition, pages
2014. Vol. 85, no 3, 376-387 p.
Keyword [en]
AOD, modeling, steel, fluid flow, gas injection, three-phase, CFD, simulation, slag
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-147071DOI: 10.1002/srin.201300065ISI: 000332335300007Scopus ID: 2-s2.0-84896865223OAI: oai:DiVA.org:kth-147071DiVA: diva2:728967
Note

QC 20140625

Available from: 2014-06-25 Created: 2014-06-23 Last updated: 2017-12-05Bibliographically approved

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Tilliander, AndersJonsson, Lage T. I.Jönsson, Pär G.
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