铝锭坯梯度水冷过程中温度场的数值模拟

Numerical simulation of temperature field on aluminium billet gradient cooling process

根据铝锭坯梯度水冷设备的布置特点,分析铝锭坯梯度水冷时的传热特点,采用有限差分法建立铝锭坯梯度水冷过程中温度场的数学模型。根据模型在VB编程平台编制计算程序,计算铝锭坯在梯度水冷过程中任意时刻的温度场分布。并通过在线使用验证了该模型的可靠性,且该模型具有计算精度较高、计算速度较快等特点,可用作在线控制模型。

According to the layout of gradient cooling equipment of aluminium ingot and analyzing its heat transfer characteristics,using FDM to establish the mathematical model of temperature field for aluminium ingot during gradient cooling process.According to the model,the computing program was created in VB program environment to compute the temperature field of aluminium ingot during gradient cooling process at any moment.Through online using to validate the reliability of the model,and this model has a high accuracy,calculation speed and other characteristics,can be used as on-line control model.