【摘要】 根据连铸二冷区不同的冷却特点，应用差分法和变时间步长，建立了与具体铸机相适应的方坯二维传热数学模型。应用所建立的数学模型可进行模拟优化计算获得铸坏的最佳二冷制度。更多还原

【Abstract】 In this paper according to different cooling feafures in the secondary coolingzone,a two-dimensional mathematic model of heat transfer is developed,which is suitable for the op-eration of the casfer in Chongqin g Special Steel Plant,In the model, a finite difference method isadopted and different boundary conditions a different time-step is firstly used.Thus the model isof high precision with a shorter calculation time.The optimum secondary cooling system of the con-tinuous billet can be gained by aimulating and optimizing calculations using the model.更多还原