Influence of Segmented Rolls on Homogeneity of Cooling in Continuous Casting

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dc.contributor.authorKomínek, Jancs
dc.contributor.authorLuks, Tomášcs
dc.contributor.authorPohanka, Michalcs
dc.contributor.authorHwang, J.Y.cs
dc.coverage.issue8cs
dc.coverage.volume11cs
dc.date.accessioned2021-09-06T14:55:53Z
dc.date.available2021-09-06T14:55:53Z
dc.date.issued2021-08-02cs
dc.description.abstractThis paper deals with secondary cooling in a continuous caster. In particular, it deals with cooling inhomogeneity caused by spray arrangement and segmented rolls used for leading the strand. The cooling section is placed under the mold. Segmented rolls are supported by bearings in several places across the strand. Sprayed water can flow in the gaps between rolls where the bearing pocket is located. The main question that was experimentally studied is how this geometry with segmented rolls can influence homogeneity of cooling. Two experimental approaches developed for this study were applied, and both used full-scale geometrical configuration. The first one was a cold test where water flow and water distribution were observed using a transparent board with the studied surface structures (rollers and bearing pockets) and four spraying nozzles. The second one was a cooling test using a heated steel plate with rolls and bearing pockets. Cooling homogeneity was studied based on the temperature distribution on the rear side of the sample, which was recorded using an infrared camera. Homogeneity of cooling distribution was experimentally studied for three levels of cooling intensity that are used in typical cooling sections in plants. The hot tests showed that the bearing pockets do not provide significant cooling inhomogeneity despite the fact that a large amount of water flows through the gap between the rollers (which has been observed in cold tests).en
dc.formattextcs
dc.format.extent1-11cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMetals. 2021, vol. 11, issue 8, p. 1-11.en
dc.identifier.doi10.3390/met11081232cs
dc.identifier.issn2075-4701cs
dc.identifier.other172259cs
dc.identifier.urihttp://hdl.handle.net/11012/201489
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMetalscs
dc.relation.urihttps://www.mdpi.com/2075-4701/11/8/1232cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2075-4701/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectcontinuous casteren
dc.subjectsecondary coolingen
dc.subjectcooling homogeneityen
dc.subjectsegmented rollsen
dc.titleInfluence of Segmented Rolls on Homogeneity of Cooling in Continuous Castingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-172259en
sync.item.dbtypeVAVen
sync.item.insts2021.09.13 16:56:56en
sync.item.modts2021.09.13 16:14:50en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Laboratoř přenosu tepla a prouděnícs
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