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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F11%3A86078060%21RIV12-MSM-27360___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
Department of Metallurgy, VSB – Technical University of Ostrava in Czech Republic and to explain especially the principle of tundish process simulations. The numerical modelling was realized by the CFD program FLUENT. There are possibilities to use a high number of settings in this professional modelling software. The paper describes the preprocessing, processing and post-processing phases of numerical modelling. The mesh of the tundish was designed by GAMBIT software. The boundary conditions were set according to experiment needs. The low-Reynolds k-epsilon model was used for final computation of steel flow. The post-processing data evaluation is also discussed. The physical simulation of tundish metallurgy processes utilizes a pair of conductivity and temperature probes situated in determined areas of the tundish model. The first pair is placed in the inlet area (shroud nozzle) and others are in the outlet zones (submersion nozzles). The probes response to the KCl concentration change after its injection into the water bath. Time delays between response at the inlet and individual outlets registration of concentration change are observed. Also, the RTD (Residence Time Distribution) curves are plotted based on the time dependency of concentration changes during experiments for individual outlets. There exist two basic methods of KCl concentration change utilization in this “water” physical tundish modelling methodology. The advantages and disadvantages of mentioned methods are discussed and possible future developments are outlined. Department of Metallurgy, VSB – Technical University of Ostrava in Czech Republic and to explain especially the principle of tundish process simulations. The numerical modelling was realized by the CFD program FLUENT. There are possibilities to use a high number of settings in this professional modelling software. The paper describes the preprocessing, processing and post-processing phases of numerical modelling. The mesh of the tundish was designed by GAMBIT software. The boundary conditions were set according to experiment needs. The low-Reynolds k-epsilon model was used for final computation of steel flow. The post-processing data evaluation is also discussed. The physical simulation of tundish metallurgy processes utilizes a pair of conductivity and temperature probes situated in determined areas of the tundish model. The first pair is placed in the inlet area (shroud nozzle) and others are in the outlet zones (submersion nozzles). The probes response to the KCl concentration change after its injection into the water bath. Time delays between response at the inlet and individual outlets registration of concentration change are observed. Also, the RTD (Residence Time Distribution) curves are plotted based on the time dependency of concentration changes during experiments for individual outlets. There exist two basic methods of KCl concentration change utilization in this “water” physical tundish modelling methodology. The advantages and disadvantages of mentioned methods are discussed and possible future developments are outlined.
dcterms:title
Numerical and Physical Modelling of Tundish Metallurgy Processes Numerical and Physical Modelling of Tundish Metallurgy Processes
skos:prefLabel
Numerical and Physical Modelling of Tundish Metallurgy Processes Numerical and Physical Modelling of Tundish Metallurgy Processes
skos:notation
RIV/61989100:27360/11:86078060!RIV12-MSM-27360___
n15:predkladatel
n17:orjk%3A27360
n4:aktivita
n8:V
n4:aktivity
V
n4:dodaniDat
n10:2012
n4:domaciTvurceVysledku
n6:1771256 n6:4491076 n6:9577890 n6:8607354
n4:druhVysledku
n11:O
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
216764
n4:idVysledku
RIV/61989100:27360/11:86078060
n4:jazykVysledku
n12:eng
n4:klicovaSlova
RTD; metallurgy; tundish; modelling; flow; steel
n4:klicoveSlovo
n14:metallurgy n14:modelling n14:steel n14:RTD n14:flow n14:tundish
n4:kontrolniKodProRIV
[F8ED8422F353]
n4:obor
n16:JG
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
5
n4:rokUplatneniVysledku
n10:2011
n4:tvurceVysledku
Gryc, Karel Michalek, Karel Hudzieczek, Zbyněk Střasák, Pavel Tkadlečková, Markéta
n13:organizacniJednotka
27360