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Heating and electromagnetic stirring in a ladle furnace – a simulationmodel
Swerea-Mefos.
KTH, Tidigare Institutioner, Metallurgi.
2000 (Engelska)Ingår i: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 40, nr 11, s. 1098-1104Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2000. Vol. 40, nr 11, s. 1098-1104
Nyckelord [en]
ladle furnace, modeling, heating, induction stirring, arc, asea-skf ladle, fluid-flow, welding arc, induction, melt
Nationell ämneskategori
Metallurgi och metalliska material
Identifikatorer
URN: urn:nbn:se:kth:diva-118705ISI: 000165352600007OAI: oai:DiVA.org:kth-118705DiVA, id: diva2:607485
Anmärkning
NR 20140805Tillgänglig från: 2013-02-23 Skapad: 2013-02-23 Senast uppdaterad: 2017-12-06Bibliografiskt granskad

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Jönsson, PärJonsson, Lage
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Metallurgi
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ISIJ International
Metallurgi och metalliska material

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