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Numerical prediction and experimental verification of thermal stratification during holding in pilot plant and production ladles
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0001-8247-8320
Swerea MEFOS AB.
Department of Metallurgy, Royal Institute of Technology, Stockholm.
SSAB Tunnplåt AB.
1999 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 39, no 7, p. 715-721Article in journal (Refereed) Published
Abstract [en]

A 3-dimensional CFD-model has been developed to simulate the natural convection flow in ladles. Qualified measurements of temperature and velocities in 107 and 7 tonne ladles have been made to verify the model. The downward convection flow at the ladle wall has been studied using radioactive isotopes and the thermal stratification has been studied by means of continuous temperature measurements. The experimental techniques are complex and additional numerical simulations have been carried out to study the effect of the measurement technique on the measurement error. The result indicates that the measurements are of sufficient accuracy for the validation. The measurements are compared to predictions from the numerical model. The main conclusion is that the theoretical CFD model gives a very accurate estimation of the temperature distribution during holding

Place, publisher, year, edition, pages
1999. Vol. 39, no 7, p. 715-721
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-7072DOI: 10.2355/isijinternational.39.715ISI: 000081521800012Local ID: 562844b0-0ba2-11dd-9b51-000ea68e967bOAI: oai:DiVA.org:ltu-7072DiVA, id: diva2:979959
Note
Godkänd; 1999; 20080416 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Grip, Carl-Erik

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