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- Title
MELHORIA DO PROCESSO DE REAQUECIMENTO DE PLACAS NA USIMINAS POR MEIO DE SIMULAÇÃO MATEMÁTICA.
- Authors
Santos, Antônio Adel dos; Giacomin, Cristóvão Nery; Silva, joÕo Paulo Batista
- Abstract
Basic characteristics and application examples of the mathematical simulator for reheating process in walking-beam type furnaces, that has been developed and applied to Usiminas plate mill line at Ipatinga, are shown in this paper. This is a bi-dimensional mathematical model solved by the finite volume method, validated by temperature measurements inside the slab during heating and coded as a visual tool. Among these applications, the following can be highlighted: (i) determination of suitable furnace zone temperatures and residence times for processing steels by accelerated cooling technology; (ii) determination of slab average temperature at discharging as well as at each zone exit, supplying data to be fed to the automation system at the comissioning stage; (iii) analyses of slab thermal distribution through the reheating process, enabling operational optimization.
- Subjects
HEATING of metals; BEAM dynamics; MATHEMATICAL models; FINITE volume method; COOLING
- Publication
Tecnologia em Metalurgia, Materiais e Mineração, 2012, Vol 9, Issue 3, p250
- ISSN
2176-1515
- Publication type
Article
- DOI
10.4322/tmm.2012.035