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Heating and electromagnetic stirring in a ladle furnace – a simulationmodel
Swerea-Mefos.
KTH, Superseded Departments, Metallurgy.
2000 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 40, no 11, 1098-1104 p.Article in journal (Refereed) Published
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 area to the steel bath were predicted in a separate model and included as boundary conditions in a ladle model. The are 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 are 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, 1098-1104 p.
Keyword [en]
ladle furnace, modeling, heating, induction stirring, arc, asea-skf ladle, fluid-flow, welding arc, induction, melt
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-118705ISI: 000165352600007OAI: oai:DiVA.org:kth-118705DiVA: diva2:607485
Note
NR 20140805Available from: 2013-02-23 Created: 2013-02-23 Last updated: 2017-12-06Bibliographically approved

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