轴向流固定床内流场的数值模拟与实验验证  

Numerical simulation and experimental study of flow field in axial flow fixed bed

作　　者：钟思青[1] 陈庆龄[1] 陈智强[1] 童海颖[1] 陈祎华[1] 徐依菡[1] 

机构地区：[1]中国石化上海石油化工研究院,上海201208

出　　处：《化工学报》2005年第4期632-636,共5页CIESC Journal

摘　　要：The computational fluid dynamics model with porosity and drag coefficient was used to describe fluid flow in an axial flow fixed bed according to the characteristics of fluid flow in the fixed-bed of the reactor. The commercial computational fluid dynamics (CFD) code CFX was used to simulate the flow field in the axial flow fixed bed.The simulation predictions are in good agreement with experimental results of a large cold model. The influence of gas distributor on the flow field in the axial flow fixed bed was studied. A suitable gas distributor was used to attain less than 0.06 kPa radial pressure difference and less than 5.2% radial velocity difference in fixed bed.The computational fluid dynamics (CFD) model with porosity and drag coefficient was used to describe fluid flow in an axial flow fixed bed according to the characteristics of fluid flow in the fixed-bed of the reactor. The commercial computational fluid dynamics code CFX was used to simulate the flow field in the axial flow fixed bed. The simulation predictions are in good agreement with experimental results of a large cold model. The influence of gas distributor on the flow field in the axial flow fixed bed was studied. A suitable gas distributor was used to attain less than 0.06 kPa radial pressure difference and less than 5.2% radial velocity difference in fixed bed.

关 键 词：轴向流 固定床 气体分布器 数值模拟 流场 

分 类 号：TQ015[化学工程]