通过对熔铸Al2O3 系耐火材料保温退火过程的机理分析, 建立了该过程的数学模型。仿真研究结果表明,该模型与工业过程相吻合, 能够用于退火过程温度分布及其内在规律的分析。
Abstract
Based on the mechanism of the annealing of fused cast Al2O3 ref ractory , a mathematical model has been developed in this paper. The result s of the simulation show that the model matches the indust rial process well , and could be used to investigate the temperature dist ribution and the corresponding internal laws of the annealing process.
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参考文献
[1] Cockcroft S L , Brimacombe J K, Walrod D G, Myles TA. Thermal stress analysis of fused2cast AZS refractoriesduring manufacture part Ⅱ: development of thermoelastic stress model. J Am Ceram Soc , 1994 , 77(6) : 1505
[2] Oeters F , Ruttiger K, Selenz HJ . Casting and solidification of steel. Guildford : IPC Science and TechnologyPress , 1977
[3 ] Nishida Y,Droste W ,Engler S. The air2gap formation at the castingmold Interface and the heat transfer mechanism through the gap. Metall Trans B , 1986(17) :833～844
[ ] 章熙民, 任泽霈, 梅飞呜, 等. 传热学. 北京: 中国建筑工业出版社, 1985
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