|
|||||
|
|
| 轴流管壳式换热器壳侧流体优化分布数值研究 | |
| 引用本文： | 曾文良,张复兴,王剑秋,邓先和. 轴流管壳式换热器壳侧流体优化分布数值研究[J]. 衡阳师范学院学报, 2009, 30(3): 65-69 |
| 作者姓名： | 曾文良 张复兴 王剑秋 邓先和 |
| 作者单位： | 1. 衡阳师范学院,化学与材料科学系,湖南,衡阳,421008;华南理工大学,传热强化与过程节能教育部重点实验室,广东,广州,510640 2. 衡阳师范学院,化学与材料科学系,湖南,衡阳,421008 3. 华南理工大学,传热强化与过程节能教育部重点实验室,广东,广州,510640 |
| 基金项目： | 国家自然科学基金资助项目,湖南省教育厅资助项目,衡阳市科技计划项目 |
| 摘 要： | 针对大型、超大型轴流管壳式换热器壳侧流体的流动分布不均的问题,提出在进出口处增加流体分布挡板用以改进流体分布不均的现象.并且在此之前的理论研究基础上,采用多孔介质--分布阻力模型,对不同结构参教的流体分布挡板进行教值模拟研究,研完结果表明,在壳侧进出口安装流体分布挡板能够有效促进流体的均匀分布,理论分析的教学模型与数值研完结果表现为一致,通过几种不同的结构参数分布挡板的数值结果对比,表明采用第三种结构形式的挡板不但流体分布均匀,而且由于挡板存在所造成的压力损失最小. |
| 关 键 词： | 轴流管壳式换热器 流体分布 数值模拟 多孔介质模型 |
Numerical Investigation of Fluid Maldistribution of Shell-side of Shell-and-Tube Heat Exchanger with Longitudinal Flow |
|
| ZENG Wen-liang,ZHANG Fu-xing,WANG Jian-qiu,DENG Xian-he. Numerical Investigation of Fluid Maldistribution of Shell-side of Shell-and-Tube Heat Exchanger with Longitudinal Flow[J]. journal of Hengyang Normal University, 2009, 30(3): 65-69 | |
| Authors: | ZENG Wen-liang ZHANG Fu-xing WANG Jian-qiu DENG Xian-he |
| Affiliation: | 1.The Chemistry and Materials Department;Hengyang Normal University;Hengyang Hunan 421008;China;2.The Key Lab.of Enhanced Heat Transfer and Energy Conservation of Educational Ministry of China;South Chian University of Technology;Guangzhou Guangdong 510640;China |
| Abstract: | This paper presents the numerical investigation of fluid distributor in the region of inlet/outlet of shell-side of shell-and-tube heat exchanger with longitudinal flow.According to the theoretical analysis,this paper also present the numerical investigation of fluid distributor on the basis of porous medium and distributing resistance model,using UDFs(user define functions) of FLUENT 6.2 code.Studying result shows that fluid flow maldistribution of shell-side is improved effectively by constructing fluid d... |
| Keywords: | shell-and-tube heat exchanger with longitudinal flow fluid distribution numerical simulation porous medium model |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |