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Water model study on convection pattern of molten steel flow in continuous casting tundish
MEFOS − Stiftelsen för Metallurgisk Forskning.
Seoul National University.
Seoul National University.
Northeastern University.
1998 (Engelska)Ingår i: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 38, nr 8, s. 843-851Artikel i tidskrift (Refereegranskat)
Abstract [en]

Natural convection will obviously influence the liquid steel flow in continuous casting (CC) tundish, which cannot be neglected in tundish metallurgical process. Through the theoretical analysis, the dimensionless number, Gr/Re 2, is adopted to determine the convection pattern in tundish system. Validity of this criteria in a reduced scale water model are also discussed in this paper. Non-isothermal water model experiment with the temperature variation of inlet stream, has been simulated to see the effect of temperature variation of ladle stream. The convection pattern of molten steel flow in continuous casting tundish is also studied numerically by using the commercialized computational fluid dynamic (CFD) software package, CFX4. From the results of theoretical analysis, physical and mathematical model simulation, it can be stated that the convection pattern of molten steel flow in tundish is controlled by the combined nature convection and forced convection.

Ort, förlag, år, upplaga, sidor
1998. Vol. 38, nr 8, s. 843-851
Nyckelord [en]
Continuous casting tundish, Forced convection, Mathematical model, Mixed convection, Natural convection, Non-isothermal water model
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-12738Scopus ID: 2-s2.0-0031631809OAI: oai:DiVA.org:ri-12738DiVA, id: diva2:972930
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2017-11-21Bibliografiskt granskad

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Scopushttps://www.jstage.jst.go.jp/article/isijinternational1989/38/8/38_8_843/_article
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