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Estimation of the transient surface temperature, heat flux and effective heat transfer coefficient of a slab in an industrial reheating furnace by using an inverse method
Linköping University, The Institute of Technology. Linköping University, Department of Mathematics, Scientific Computing.
2007 (English)In: STEEL RESEARCH INTERNATIONAL, ISSN 1611-3683, Vol. 78, no 1, 63-70 p.Article in journal (Refereed) Published
Abstract [en]

In the steel industry it is of great importance to be able to control the surface temperature and heating or cooling rates during heat treatment processes. In this paper, a steel slab is heated up to 1300 degrees C in an industrial reheating furnace and the temperature data are recorded during the reheating process. The transient local surface temperature, heat flux and effective heat transfer coefficient of the steel slab ares calculated using a model for inverse heat conduction. The calculated surface temperatures are compared with the temperatures achieved by using a model of the heating process with the help of the software STEELTEMP (R) 2D. The results obtained show very good agreement and suggest that the inverse method can be applied to similar high temperature applications with very good accuracy.

Place, publisher, year, edition, pages
2007. Vol. 78, no 1, 63-70 p.
Keyword [en]
inverse heat conduction, ill-posed problems, heat treatment, heat transfer, reheating furnace
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-48030OAI: oai:DiVA.org:liu-48030DiVA: diva2:268926
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-11

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Berntsson, Fredrik

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