Based on the principle of a viscous hydromechanics, the flow of molten steel, the heat conduction of during solidification and the temperature field in a mould are studied using a three dimension coupling numerical analysis method. 本文应用粘性流体力学的基本原理,就结晶器内钢水流动、凝固传热和温度场进行了三维耦合数值分析研究。