Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 89, Issue -, Pages 484-496Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2014.10.021
Keywords
Holding furnace; Aluminum; Exergy transfer; Heat transfer
Categories
Funding
- European Union [246335]
- Mexican Consejo Nacional de Ciencia y Tecnologia (CONACYT) [25712]
- Secretaria de Educacion Publica (SEP)
- Mexican Government
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This study presents the unsteady exergy transfer analysis of an aluminum holding furnace with new heating resistance scheme. This holding system consists of four multilayer refractory walls and one resistance heating system which is responsible of maintaining the appropriate aluminum temperature and composition for further casting. The purpose of this analysis is to understand and identify heat losses and irreversibilities of the holding process of an aluminum furnace by means of the First and Second Law of Thermodynamics. In this study, bi-dimensional temperature and exergy fields during heat and exergy transfer processes are presented. The exergy balance is completely computed for this system, obtaining: exergy transfer, exergy variation rate, and destroyed exergy rate. (C) 2014 Elsevier Ltd. All rights reserved.
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