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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F11%3A86077776%21RIV12-MSM-27360___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
The aim of this paper is to present new knowledge and experience from numerical and physical modelling of metallurgical processes at the 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. This professional modelling software enables numerous settings. The paper describes the pre-processing, processing and post-processing phases of numerical modelling. The mesh of the tundish was designed by the GAMBIT software. The boundary conditions were set according to the needs of experiment. The low-Reynolds k-epsilon model was used for final computation of steel flow. The post-processing data evaluation is also discussed. Physical simulation of tundish metallurgy processes utilizes a pair of conductivity and temperature probes situated in the 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 on the basis of time dependency of concentration changes during experiments for individual outlets. Two basic methods exist of utilization of KCl concentration change in this “water” physical tundish modelling methodology. The aim of this paper is to present new knowledge and experience from numerical and physical modelling of metallurgical processes at the 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. This professional modelling software enables numerous settings. The paper describes the pre-processing, processing and post-processing phases of numerical modelling. The mesh of the tundish was designed by the GAMBIT software. The boundary conditions were set according to the needs of experiment. The low-Reynolds k-epsilon model was used for final computation of steel flow. The post-processing data evaluation is also discussed. Physical simulation of tundish metallurgy processes utilizes a pair of conductivity and temperature probes situated in the 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 on the basis of time dependency of concentration changes during experiments for individual outlets. Two basic methods exist of utilization of KCl concentration change in this “water” physical tundish modelling methodology.
dcterms:title
Numerical and Physical Modelling of Steel Flow in Asymmetric Tundish Numerical and Physical Modelling of Steel Flow in Asymmetric Tundish
skos:prefLabel
Numerical and Physical Modelling of Steel Flow in Asymmetric Tundish Numerical and Physical Modelling of Steel Flow in Asymmetric Tundish
skos:notation
RIV/61989100:27360/11:86077776!RIV12-MSM-27360___
n16:predkladatel
n19:orjk%3A27360
n3:aktivita
n11:P
n3:aktivity
P(ED0040/01/01)
n3:cisloPeriodika
2
n3:dodaniDat
n10:2012
n3:domaciTvurceVysledku
n8:1771256 n8:2995824 n8:4491076 n8:2475561 n8:9577890 n8:8607354
n3:druhVysledku
n13:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
216763
n3:idVysledku
RIV/61989100:27360/11:86077776
n3:jazykVysledku
n17:eng
n3:klicovaSlova
tundish; flow; numerical modelling; physical modelling; steel
n3:klicoveSlovo
n5:flow n5:physical%20modelling n5:steel n5:numerical%20modelling n5:tundish
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[CEBEC8DDC178]
n3:nazevZdroje
Hutnické listy
n3:obor
n18:JG
n3:pocetDomacichTvurcuVysledku
6
n3:pocetTvurcuVysledku
6
n3:projekt
n4:ED0040%2F01%2F01
n3:rokUplatneniVysledku
n10:2011
n3:svazekPeriodika
LXIV
n3:tvurceVysledku
Gryc, Karel Michalek, Karel Klus, Petr Hudzieczek, Zbyněk Sikora, Vojtěch Tkadlečková, Markéta
s:issn
0018-8069
s:numberOfPages
8
n15:organizacniJednotka
27360