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以相同的冷却强度、拉速、浇注温度、钢种等板坯连铸条件为模拟初始参数,采用相同的凝固潜热处理方式,针对两种常用的板坯连铸二冷边界条件处理方法FCA法和MCA法,分别采用四种不同的传热经验公式,计算了板坯连铸的热过程.得到这两种处理方式四种不同二冷传热经验公式的八组计算结果,并将计算结果与实测值相比较,结果证明,采用FCA法处理边界条件,得到的模拟计算结果与实测值相对误差均小于5%,而利用MCA法处理边界条件,得到的模拟计算结果与实际测量值相对误差在8%左右.因此,采用FCA法处理板坯连铸二冷边界条件得到的模型能更加准确地模拟板坯连铸的热过程.

参考文献

[1] 王春会,周晓敏,巩宪锋,姚耕耘.板坯连铸凝固过程的数值模拟[J].上海金属,2007(04):45-48.
[2] Savage J;Pritchard W H .The Problem of Rupture of the Billet in Continuous Casting of Steel[J].Iron & Steel,1954,179:267.
[3] Santos C A;Spim J A .Mathematical Modeling and Optimization Strategies Applied to the Continuous Casting of Steel[J].Engineering applications of artificial intelligence,2003,16:511.
[4] Carlos A. Santos;Jaime A. Spim;Maria C.F. Ierardi;Amauri Garcia .The use of artificial intelligence technique for the optimisation of process parameters used in the continuous casting of steel[J].Applied mathematical modelling,2002(11):1077-1092.
[5] Chandra S .Mould-Strand Interaction in Continuous Casting of Steel Billets Part 3:Mould Heat Transfer and Taper[J].Ironmaking and Steelmaking,1993,20(02):104.
[6] 韩传基,蔡开科,赵家贵,徐荣军,吴巍.板坯连铸二冷区凝固传热过程与控制[J].北京科技大学学报,1999(06):523-525.
[7] Hardin R .Transient Simulation and Dynamic Spray Cooling Control Model for Continuous Steel Casting[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2003,34(06):207.
[8] Ha J S;Cho J R .Numerical Analysis of Secondary Cooling and Bulging in the Continuous Casting of Slabs[J].Journal of Materials Processing Technology,2001,113:257.
[9] 韩志伟;冯科 .板坯连铸二冷计算机仿真软件的应用[J].钢铁技术,2007,1:23.
[10] Mizikar E A .Spray Cooling Investigation of Continuous Casting of Billets and Blooms[J].Iron & Steel Engineers,1970,47(06):53.
[11] Nozak T A .Secondry Cooling Pattern for Preventing Surface Crack of Continuous Casting Slabs[J].Transactions of the Iron and Steel Institute of Japan,1978,18:330.
[12] 蔡开科;杨吉春 .连铸二冷区喷雾冷却特性研究[J].钢铁,1990,25(02):9.
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