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Modeling of electric arc furnaces (EAF) with electromagnetic stirring
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The influence of electromagnetic stirring in an electric arc furnace (EAF) has been studied. Using numerical modeling the effect of electromagnetic stirring on the thermal stratification and fluid flow has been investigated. The finite element method (FEM) software was used to compute the electromagnetic forces, and the fluid flow and heat and mass transfer equations were solved using a finite volume method (FVM) software. The results show that electromagnetic stirring has a significant effect on temperature homogenization and mixing efficiency in the bath. The important part of this study was calculation of heat transfer coefficient. The results show, electromagnetic stirring improves the heat transfer from the melt to scrap which is dependent on the stirring direction and force magnitudes.

Place, publisher, year, edition, pages
Keyword [en]
electric arc furnace, electromagnetic stirring, natural convection
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-43906OAI: diva2:448924
Subject / course
Applied Process Metallurgy
Educational program
Master of Science - Materials Science and Engineering
Available from: 2012-01-03 Created: 2011-10-18 Last updated: 2012-01-03Bibliographically approved

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Modeling EAF EMS(2058 kB)1477 downloads
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Arzpeyma, Niloofar
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