Based on the analysis of heat transfer mechanism in the bell-type annealing furnace with HPH, a two-dimensional heat transfer model for steel coils was built to track on-line temperatures.

• 摘要在分析全氢罩式退火炉钢卷退火过程传热机理的基础上，建立了适用于钢卷温度在线跟踪的二维传热数学模型，着重讨论了循环气体与钢卷之间对流换热的计算方法。