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Modeling of Radiative Heat Transfer in an Electric Arc Furnace

  • Radiation is an important means of heat transfer inside an electric arc furnace (EAF). To gain insight into the complex processes of heat transfer inside the EAF vessel, not only radiation from the surfaces but also emission and absorption of the gas phase and the dust cloud need to be considered. Furthermore, the radiative heat exchange depends on the geometrical configuration which isRadiation is an important means of heat transfer inside an electric arc furnace (EAF). To gain insight into the complex processes of heat transfer inside the EAF vessel, not only radiation from the surfaces but also emission and absorption of the gas phase and the dust cloud need to be considered. Furthermore, the radiative heat exchange depends on the geometrical configuration which is continuously changing throughout the process. The present paper introduces a system model of the EAF which takes into account the radiative heat transfer between the surfaces and the participating medium. This is attained by the development of a simplified geometrical model, the use of a weighted-sum-of-gray-gases model, and a simplified consideration of dust radiation. The simulation results were compared with the data of real EAF plants available in literature.show moreshow less

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Author:Florian Opitz, Peter TreffingerGND, Jürgen Wöllenstein
Year of Publication:2017
Language:English
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
Parent Title (English):Metallurgical and Materials Transactions B
Volume:48
Issue:6
ISSN:1543-1916
First Page:3301
Last Page:3315
Document Type:Article (reviewed)
Institutes:Hochschule Offenburg / Bibliografie
Acces Right:Frei zugänglich
Release Date:2018/01/19
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1007/s11663-017-1078-6