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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F13%3A86086740%21RIV14-MSM-27360___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The paper presents new knowledge about physical and numerical modelling of a non-stationary steel flow into a mould through a subentry shroud with an inner, pressed metering nozzle. The physical and numerical modelling was realized under the conditions of the Department of Metallurgy and Foundry at VSB-Technical University of Ostrava. A speciál type of the subentry shroud is ušed during continuous casting of steel in Třinecké železárny, a.s. During continuous casting of steel, two unfavourable phenomena were observed. In the first case, it was not possible to increase the casting speed, though the diameter of the metering nozzle was extended. In the second case, a fluctuation of the casting speed among individual casting strands was detected. These two problems did not allow an improvement of the performance of the casting machine. Therefore, the physical and numerical modelling was performed. Attention was focused on the verification of the effect of the inner diameter of the nozzle body and internal diameter of the metering nozzle on the resulting volume flow rates. Four diameters of the metering nozzle - (16; 17; 17.5; 18) mm - were tested. The physical modelling was done on a 1 : 1 model constructed from Plexiglas. The numerical modelling was realized in the ANS YS FLUENT software. On the basis of the results of the modelling study and in cooperation with the VESUVIUS company, a new type of the profile of the subentry shroud with a metering nozzle was designed. The first experimental results in the steel plant led to an increase in the productivity of the continuous-casting machine. The paper presents new knowledge about physical and numerical modelling of a non-stationary steel flow into a mould through a subentry shroud with an inner, pressed metering nozzle. The physical and numerical modelling was realized under the conditions of the Department of Metallurgy and Foundry at VSB-Technical University of Ostrava. A speciál type of the subentry shroud is ušed during continuous casting of steel in Třinecké železárny, a.s. During continuous casting of steel, two unfavourable phenomena were observed. In the first case, it was not possible to increase the casting speed, though the diameter of the metering nozzle was extended. In the second case, a fluctuation of the casting speed among individual casting strands was detected. These two problems did not allow an improvement of the performance of the casting machine. Therefore, the physical and numerical modelling was performed. Attention was focused on the verification of the effect of the inner diameter of the nozzle body and internal diameter of the metering nozzle on the resulting volume flow rates. Four diameters of the metering nozzle - (16; 17; 17.5; 18) mm - were tested. The physical modelling was done on a 1 : 1 model constructed from Plexiglas. The numerical modelling was realized in the ANS YS FLUENT software. On the basis of the results of the modelling study and in cooperation with the VESUVIUS company, a new type of the profile of the subentry shroud with a metering nozzle was designed. The first experimental results in the steel plant led to an increase in the productivity of the continuous-casting machine.
dcterms:title
Physical and numerical modelling of a non-stationary steel flow through a subentry shroud with an inner metering nozzle Physical and numerical modelling of a non-stationary steel flow through a subentry shroud with an inner metering nozzle
skos:prefLabel
Physical and numerical modelling of a non-stationary steel flow through a subentry shroud with an inner metering nozzle Physical and numerical modelling of a non-stationary steel flow through a subentry shroud with an inner metering nozzle
skos:notation
RIV/61989100:27360/13:86086740!RIV14-MSM-27360___
n10:predkladatel
n11:orjk%3A27360
n5:aktivita
n6:P
n5:aktivity
P(ED0040/01/01)
n5:cisloPeriodika
6
n5:dodaniDat
n16:2014
n5:domaciTvurceVysledku
n8:9577890 n8:8607354 n8:4491076
n5:druhVysledku
n7:J
n5:duvernostUdaju
n17:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
96172
n5:idVysledku
RIV/61989100:27360/13:86086740
n5:jazykVysledku
n12:eng
n5:klicovaSlova
physical and numercal modelling; metering nozzle; machine, subentry shroud; continuous-casting; steel
n5:klicoveSlovo
n9:steel n9:continuous-casting n9:physical%20and%20numercal%20modelling n9:metering%20nozzle n9:subentry%20shroud n9:machine
n5:kodStatuVydavatele
SI - Slovinská republika
n5:kontrolniKodProRIV
[F693C0799AEE]
n5:nazevZdroje
Materiali in tehnologije
n5:obor
n18:JG
n5:pocetDomacichTvurcuVysledku
3
n5:pocetTvurcuVysledku
5
n5:projekt
n15:ED0040%2F01%2F01
n5:rokUplatneniVysledku
n16:2013
n5:svazekPeriodika
47
n5:tvurceVysledku
Gryc, Karel Tkadlečková, Markéta Macura, Michal Michalek, Karel Cupek, Jiří
n5:wos
000328433300020
s:issn
1580-2949
s:numberOfPages
8
n19:organizacniJednotka
27360