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The development of an eulerian deposition model in liquid metal flows and its application on nozzle clogging during continuous casting of steel
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Tillämpad processmetallurgi.
2015 (Engelska)Ingår i: Proceedings of the 6th International Congress on the Science and Technology of Steelmaking, ICS 2015, Chinese Society for Metals , 2015, s. 439-442Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

An Eulerian deposition model was developed and used to predict the deposition rates of non-metallic inclusions in liquidmetal flows. Effects of parameters such as particle diameter, wall roughness and temperature gradient near the wall on the deposition rates were investigated. Thereafter, the modified Eulerian model was used to calculate the deposition rate of non-metallic inclusions in a tundish nozzle. Furthermore, the deposition rates of different-size inclusions in the SEN were predicted and compared. The results show that both the wall roughness and thermophoresis have a significant influence on the deposition rate of small particles. For larger inclusions, turbophoresis is the main deposition mechanism. In addition, an uneven distribution of the inclusion deposition rates at the inner wall of the SEN was observed. A large deposition rate was found at the regions near the SEN inlet, the SEN bottom and the upper region of two SEN ports.

Ort, förlag, år, upplaga, sidor
Chinese Society for Metals , 2015. s. 439-442
Nyckelord [en]
Deposition, Eulerian model, Non-metallic inclusion, Nozzle clogging, Steel Continuous casting, Continuous casting, Deposition rates, Metals, Nozzles, Steel castings, Steelmaking, Continuous casting of steels, Deposition mechanism, Deposition modeling, Eulerian models, Non-metallic inclusions, Particle diameters, Steel continuous castings
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-194723Scopus ID: 2-s2.0-84983168535OAI: oai:DiVA.org:kth-194723DiVA, id: diva2:1048884
Konferens
6th International Congress on the Science and Technology of Steelmaking, ICS 2015, 12 May 2015 through 14 May 2015
Anmärkning

QC 20161122

Tillgänglig från: 2016-11-22 Skapad: 2016-10-31 Senast uppdaterad: 2016-11-22Bibliografiskt granskad

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Ni, PeiyuanJonsson, Lage T. I.Ersson, MikaelJönsson, Pär
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