磁热场协同作用下的传热传质强化

工程热物理学报 , 2004, 25(3): 460-462.

1.中山大学化学与化学工程学院,广州,510275

2.上海理工大学动力学院,上海,200093

3.华南理工大学,广州,510641

基金项目: 国家重点基础研究发展计划(973计划)(G20000263)

HEAT MASS TRANSFER ENHANCEMENT BY MAGNETO-THERMAL FIELD SYNERGY EFFECTS

通过三维非稳态动量和能量方程的模拟,对圆管通道内空气的磁热风作用机理进行了分析.得出了无量纲长径比为20、30、62和100,带电线圈和管道的直径比从2到200时磁场密度的梯度的影响规律.磁场与温度场的协同作用改变了速度和温度边界层的分布,存在最优条件下的强化传热、传质效果.

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