POD方法在扁管管翅式换热器研究中的应用

doi:10.19596/j.cnki.1001-246x.7746

计算物理 ›› 2018, Vol. 35 ›› Issue (5): 587-596.DOI: 10.19596/j.cnki.1001-246x.7746

POD方法在扁管管翅式换热器研究中的应用

王烨^1,2, 王艺³, 胡文婷¹, 王良璧²

1. 兰州交通大学环境与市政工程学院, 甘肃兰州 730070;
2. 铁道车辆热工教育部重点实验室, 甘肃兰州 730070;
3. 中国石油大学(北京)机械与储运工程学院, 油气管道输送安全国家工程实验室/城市油气输配技术北京市重点实验室, 北京 102249

收稿日期:2017-08-28 修回日期:2017-10-31 出版日期:2018-09-25 发布日期:2018-09-25
作者简介:王烨(1972-),男,博士,教授,博导;主要从事强化传热及自然对流研究,E-mail:wangye@mail.lzjtu.cn
基金资助:
国家自然科学基金（51476073，51576210，51266004）及甘肃省自然科学基金（1308RJZA151）资助项目

Application of POD Reduced-order Model in Heat Transfer Performance of Flat Tube Bank Fin Heat Exchanger

WANG Ye^1,2, WANG Yi³, HU Wenting¹, WANG Liangbi²

1. School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. Key Laboratory of Railway Vehicle Thermal Engineering, Ministry of Education of China, Lanzhou 730070, China;
3. National Engineering Laboratory for Pipeline Safety/Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum(Beijing), Beijing 102249, China

Received:2017-08-28 Revised:2017-10-31 Online:2018-09-25 Published:2018-09-25

摘要/Abstract

摘要： 针对复杂流动与传热现象的扁管管翅式换热器板芯结构构建特征正交分解（POD）低阶模型，数值分析不同参数组合的传热特性并与有限容积法（FVM）计算结果进行比对.结果表明：POD计算结果与FVM计算结果间的相对偏差平均值在5.25%以内，但计算速度比FVM提高了164.78~2 021倍.所得结论对于扁管管翅式换热器结构参数设计和运行优化有理论参考价值.

关键词: 特征正交分解, 低阶模型, 扁管, 管翅式换热器, 数值模拟

Abstract: Reduced-order model of proper orthogonal decomposition method (POD) was established to analyzed performance of fluid flow and heat transfer in flat tube bank fin heat exchanger. Numerical results of POD were compared with those of FVM. It indicates that average relative error between POD results and FVM results is no more than 5.7% while computational speed is improved 164.78-2021 times. Conclusion is of theoretical meaning for optimizing heat exchanger structure and running mode in engineering.

Key words: proper orthogonal decomposition, reduced-order model, flat tube, bank fin heat exchanger, numerical simulation

中图分类号:

TK124

王烨, 王艺, 胡文婷, 王良璧. POD方法在扁管管翅式换热器研究中的应用[J]. 计算物理, 2018, 35(5): 587-596.

WANG Ye, WANG Yi, HU Wenting, WANG Liangbi. Application of POD Reduced-order Model in Heat Transfer Performance of Flat Tube Bank Fin Heat Exchanger[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2018, 35(5): 587-596.

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POD方法在扁管管翅式换热器研究中的应用

Application of POD Reduced-order Model in Heat Transfer Performance of Flat Tube Bank Fin Heat Exchanger

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