异形多通孔催化剂工程研究(III)——12孔及24孔颗粒固定床传热参数测定Engineering Research of Irregular Shape Catalysts with Through-holes(III)——Study on Heat Transfer Parameters of Fixed Bed Packed with Through-holes Pellets
樊蓉蓉,甘霖,朱炳辰,徐懋生
摘要(Abstract)：
对两种薄片结构的异形多通孔催化剂颗粒的传热特性进行实验研究。在一可同时测定轴向和径向温度分布的壁冷式固定床中测定了12孔及24孔异形多通孔颗粒的温度分布,利用所测实验数据对拟均相二维模型进行了径向有效导热系数和壁给热系数的计算。将得到的传热参数与雷诺数相关联,并与相似条件下圆柱形及单孔环柱形催化剂颗粒的传热参数进行比较。结果表明,12孔及24孔异形多通孔颗粒能有效改善固定床传热性能。
关键词(KeyWords)： 固定床;薄片结构异形多通孔颗粒;径向有效导热系数;壁给热系数
基金项目(Foundation):
作者(Author): 樊蓉蓉,甘霖,朱炳辰,徐懋生
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