连铸圆坯非均匀传热<strong>/</strong>凝固行为的无网格计算方法

连铸圆坯非均匀传热/凝固行为的无网格计算方法

蔡来强, 王旭东, 姚曼, 刘宇

Meshless Method for Non-Uniform Heat Transfer/Solidification Behavior of Continuous Casting Round Billet

CAI Laiqiang, WANG Xudong, YAO Man, LIU Yu

表1 钢种的热物理性能^[31]

Table 1 Thermophysical properties of steel^[31]

Temperature	Latent heat	Density	Thermal conductivity	Specific heat
	J·kg^-1	kg·m^-3	W·m^-1·℃^-1	J·kg^-1·℃^-1
T>T_L		7102-1.2(T-T_L)	k_effl	466+0.17T
T_S≤T≤T_L	272000	7102+3.1(T_L-T)	k_eff	c_eff
T<T_S		7299+0.3(T_S-T)	14.73+0.0125T	466+0.17T