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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F12%3A86083590%21RIV13-MSM-27360___
rdf:type
skos:Concept n11:Vysledek
dcterms:description
The main problem of the numerical simulation of solidifying billet in continuous casting process are not the algorithms themselves, but the correct determination of boundary conditions, especially surface conditions. Methods and devices including the robotized system for testing admission characteristics of water nozzles in the secondary cooling zone have been developed. Cooling nozzles are usually assessed through two types of characteristics. The “cold” characteristics is the nozzle admission intensity and the “hot” characteristics is heat transfer coefficient between cooled surface and surroundings. It was found that the cooling water pressure affects the hot and cold characteristics of nozzles both quantitatively and qualitatively. Relationships between water pressure and intensity of admission, heat transfer coefficient and shape of the characteristics were found. Measurements confirmed the step change of heat transfer coefficient at surface temperatures ranging from 400 to 600°C, associated with an existence of the Leidenfrost phenomenon. The main problem of the numerical simulation of solidifying billet in continuous casting process are not the algorithms themselves, but the correct determination of boundary conditions, especially surface conditions. Methods and devices including the robotized system for testing admission characteristics of water nozzles in the secondary cooling zone have been developed. Cooling nozzles are usually assessed through two types of characteristics. The “cold” characteristics is the nozzle admission intensity and the “hot” characteristics is heat transfer coefficient between cooled surface and surroundings. It was found that the cooling water pressure affects the hot and cold characteristics of nozzles both quantitatively and qualitatively. Relationships between water pressure and intensity of admission, heat transfer coefficient and shape of the characteristics were found. Measurements confirmed the step change of heat transfer coefficient at surface temperatures ranging from 400 to 600°C, associated with an existence of the Leidenfrost phenomenon.
dcterms:title
Surface condition for the model of strand temperature field in the CCM secondary zone Surface condition for the model of strand temperature field in the CCM secondary zone
skos:prefLabel
Surface condition for the model of strand temperature field in the CCM secondary zone Surface condition for the model of strand temperature field in the CCM secondary zone
skos:notation
RIV/61989100:27360/12:86083590!RIV13-MSM-27360___
n11:predkladatel
n12:orjk%3A27360
n3:aktivita
n19:S
n3:aktivity
S
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n14:4157524 n14:9812350 n14:2563819 n14:7028989
n3:druhVysledku
n21:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
172529
n3:idVysledku
RIV/61989100:27360/12:86083590
n3:jazykVysledku
n20:eng
n3:klicovaSlova
continuous casting, boundary condition, nozzle, measuring, characteristics
n3:klicoveSlovo
n7:continuous%20casting n7:boundary%20condition n7:characteristics n7:nozzle n7:measuring
n3:kontrolniKodProRIV
[72D6F99A41BF]
n3:mistoKonaniAkce
Demänovská dolina
n3:mistoVydani
Žilina
n3:nazevZdroje
The Application of Experimental and Numerical Methods in Fluid Mechanics and Energetics [i.e. Energy] 2012 proceedings of the [XVIII. international scientific conference] : 25.4.-27.4.2012, Demänovská dolina, Slovakia
n3:obor
n4:JG
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n9:2012
n3:tvurceVysledku
Pyszko, René Čarnogurská, Mária Příhoda, Miroslav Burda, Jiří Fojtík, Pavel
n3:typAkce
n17:EUR
n3:zahajeniAkce
2012-04-25+02:00
s:numberOfPages
6
n13:hasPublisher
Žilinská univerzita v Žiline
n10:isbn
978-80-554-0516-2
n5:organizacniJednotka
27360