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Heating and electromagnetic stirring in a ladle furnace - a simulation model
MEFOS − Stiftelsen för Metallurgisk Forskning.
Royal Institute of Technology.
MEFOS − Stiftelsen för Metallurgisk Forskning.
2000 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 40, no 11, p. 1098-1104Article in journal (Refereed)
Abstract [en]

A three-dimensional simulation model coupling heating and induction stirring in an ASEA-SKF ladle furnace was developed. Data of the heat transfer from the arcs to the steel bath were predicted in a separate model and included as boundary conditions in a ladle model. The arc model considers the contributions of heat transferred by of each of the following mechanisms: radiation, convection, condensation and energy transported by electrons. Predictions were made to simulate the change of temperature distribution in the ladle during simultaneous heating with electrodes and stirring by induction. A first attempt was made to compare the predictions with measured temperatures from a 100 t ASEA-SKF ladle. The agreement was found to be fairly good when heat-flux data for a 25 cm arc length were used as input to the ladle model. This indicates that the model can be used for more in-depth studies of the effects of heating for ladles that are inductively stirred.

Place, publisher, year, edition, pages
2000. Vol. 40, no 11, p. 1098-1104
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12725Scopus ID: 2-s2.0-17144474697OAI: oai:DiVA.org:ri-12725DiVA, id: diva2:972917
Available from: 2016-09-22 Created: 2016-09-22 Last updated: 2017-11-21Bibliographically approved

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