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An experimental and numerical study of fluid flow in AOD Nozzles
KTH, Superseded Departments, Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, Superseded Departments, Metallurgy.
KTH, Superseded Departments, Metallurgy.
KTH, Superseded Departments, Metallurgy.
2002 (English)In: Iron & steelmaker, ISSN 0275-8687, Vol. 29, no 2, 51-57 p.Article in journal (Refereed) Published
Abstract [en]

A mathematical model of a nozzle used in AOD converters was developed in a previous study. In the work covered in this article, an attempt was made to verify velocity predictions from the nozzle model through a comparison of measurements. Experiments were performed at AGA AB's laboratories using a laser doppler anemometer (LDA) to measure axial velocities at the outlet of a nozzle having the same dimensions as nozzles used in industrial AOD converters. The model predictions agreed well with measured data. An attempt was also made to compare turbulent kinetic energy predictions from the k-ε turbulence model with turbulence predictions calculated using an analytical expression that uses measured velocity fluctuation values. The positive results from this comparison indicate that the model can produce fairly reliable predictions of turbulence at the nozzle outlet. The results from this study are promising regarding use of the nozzle model to calculate boundary condition input values pertaining to the nozzle inlet that will be required for an AOD converter model currently being developed.

Place, publisher, year, edition, pages
2002. Vol. 29, no 2, 51-57 p.
Keyword [en]
Theoretical study, Oxygen converter, Oxygen steel plant, Steel, Flow(fluid), Mathematical model, Modeling, Numerical simulation
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-24560OAI: oai:DiVA.org:kth-24560DiVA: diva2:351836
Note
QC 20100916Available from: 2010-09-16 Created: 2010-09-16 Last updated: 2010-09-16Bibliographically approved
In thesis
1. Modeling of fluid flow and heat transfer characteristics in AOD nozzles
Open this publication in new window or tab >>Modeling of fluid flow and heat transfer characteristics in AOD nozzles
2000 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2000. iv, 23 p.
Series
Trita-MET, 076
National Category
Metallurgy and Metallic Materials
Identifiers
urn:nbn:se:kth:diva-1104 (URN)KTH/MET/R--00/76--SE (ISRN)
Note
QC 20100916Available from: 2000-09-26 Created: 2000-09-26 Last updated: 2010-09-16Bibliographically approved

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CiteExportLink to record
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