连铸坯凝固过程中传输现象基础知识系列讲座第十九讲连铸坯凝固传热数学模型

Serial Lecture of the Rudimentary Knowledge on the Transmission Phenomenon in Solidification Process of Continuous Cast Slab and Billet Lecture19 Mathematical Method on Heat Transfer in Solidition of Continuous Cast Slab and Billet

连铸坯凝固时的传热过程是一个十分复杂的过程，用等效传热系数的方法来描述则简便易行。介绍了等效传导传热模型的基本方程、边界条件和初始条件、物性参数的处理以及数值求解方法等。

The process of heat transfer while slab and billet solidifies is very complicated,but it become easy to describe by equivalent heat transfer coefficient.The artical introduces elementary equation,boundary and initial conditions of model of equivalent conduction heat transfer,physical property prarameters processing and the method of value solving.