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Heat-flux measurements of industrial on-site continuous copper casting and their use as boundary conditions for numerical simulations
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Processing.
2009 (English)In: Transactions of the Indian Institute of Metals, ISSN 0019-493X, Vol. 62, no 4-5, 443-446 p.Article in journal (Refereed) Published
Abstract [en]

An embedded sensor, designed for rapid and accurate response times and using wireless data transmission, has been developed for the on-site measurement of temperatures in industrial continuous casting moulds. The sensor has been used to measure the temperature at several points in the mould during production in a Southwire copper casting process. The measured data has been used to calculate the temperature gradient in the mould to estimate the heat flux through it; this is then used as a boundary condition for numerical simulations of solidification. For these, we employ a method that tracks the solidification front explicitly; this has an advantage over fixed-grid methods in simulations for materials having a short solidification interval, since the release of latent heat at the solidification front can be resolved without resorting to a very fine mesh. The special considerations required for setting the initial condition for the numerical scheme and the time taken for the superheated melt to form a solid shell are also discussed.

Place, publisher, year, edition, pages
2009. Vol. 62, no 4-5, 443-446 p.
Keyword [en]
southwire process, continuous casting, front-tracking numerical method
National Category
Metallurgy and Metallic Materials
URN: urn:nbn:se:kth:diva-19356ISI: 000276133700036ScopusID: 2-s2.0-76249084571OAI: diva2:337403

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2012-09-25Bibliographically approved

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