| 结构化金属填充床传递特性的数值模拟 |
| |
| 引用本文： | 梅红,李成岳,刘辉,张建文,季生福. 结构化金属填充床传递特性的数值模拟[J]. 化工学报, 2005, 56(7): 1175-1180 |
| |
| 作者姓名： | 梅红 李成岳 刘辉 张建文 季生福 |
| |
| 作者单位： | 教育部可控化学反应科学与技术基础重点实验室，北京化工大学，北京 100029 |
| |
| 基金项目： | 国家自然科学基金项目（20136010）. |
| |
| 摘 要： | 运用计算流体力学（CFD）与计算传热（CHT）方法，对结构化金属填充床内的流体动力学和传热特性进行了详细的模拟，以预测其流场和温度场.分析了床层结构参数和物性的变化对结构化金属填充床传热性能的影响，发现在Re较小且结构化材料和床层空隙率相同的情况下，气固相之间换热的比表面积越大，传热效果越好.进一步将模拟结果与传统颗粒填充床的压降与传热特性进行对照，从而推断结构化金属填充床具有很好的传递性能.
|
| 关 键 词： | 计算流体力学 计算传热 结构化金属填充床 传热性能 压降 |
| 文章编号： | 0438-1157（2005）07-1175-06 |
| 收稿时间： | 2004-04-25 |
| 修稿时间： | 2004-04-25 |
Simulation of heat transfer and pressure drop of metal structured packed bed |
| |
| MEI Hong,Li Chengyue,LIU Hui,ZHANG Jianwen,JI Shengfu. Simulation of heat transfer and pressure drop of metal structured packed bed[J]. Journal of Chemical Industry and Engineering(China), 2005, 56(7): 1175-1180 |
| |
| Authors: | MEI Hong Li Chengyue LIU Hui ZHANG Jianwen JI Shengfu |
| |
| Abstract: | Modeling and simulation based on computational fluid dynamics and heat transfer for the metal structured packed bed were carried out to predict the flow field and temperature field, and to evaluate its performance in heat transfer and hydrodynamics. The effects of geometric parameters and the properties of solid phase on heat transfer of the structured packed bed were discussed. It was found that at low Re and the same properties and voidage of the packed bed, the larger the specific surface area, the better the ability of heat transfer of the packed bed. Furthermore, the comparison between the simulation results of the metal structured packed bed and heat transfer performance and pressure drop of the pellet packed bed was made, which validated better transport performance of the metal structured packed bed. |
| |
| Keywords: | computational fluid dynamics computational heat transfer metal structured packed bed performance of heat transfer pressure drop |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《化工学报》浏览原始摘要信息 |
|
点击此处可从《化工学报》下载免费的PDF全文 |
