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Abstract In order to obtain the plate temperature of one company's new high-temperature roller hearth furnace accurately, the mathematical models of the furnace gas temperature and heat transfer in the plate internal and roller hearth furnace were studied and established. On the basis of detailed analysis, the plate temperature tracking mathematical model in furnace was built, which was solved by FDM and TDMA methods. The applications show that the plate temperature tracking model is simple and reliable, is a scientific basis for plates’ quality control in the heating process and is significant to improve tapping temperature hit rate.
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Received: 22 February 2010
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2011, Vol. 46 
