缠绕管式换热器的CFD优化

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张旭¹，李明凯²，陆平¹，白芳¹，周川²，华超^1*

1. 中国科学院绿色过程与工程重点实验室(中国科学院过程工程研究所)，北京 1001902. 武汉东海石化重型装备有限公司，湖北武汉 430207

收稿日期:2018-07-20修回日期:2018-11-28出版日期:2019-08-22发布日期:2019-08-15
通讯作者:华超

基金资助:十三五水体污染控制与治理科技重大专项

CFD optimizations of spiral-wound heat exchangers

Xu ZHANG¹, Mingkai LI², Ping LU¹, Fang BAI¹, Chuan ZHOU², Chao HUA^1*

1. CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China2. Wuhan East Petrochemical Heavy Equipment Co., Ltd., Wuhan, Hubei 430207, China

Received:2018-07-20Revised:2018-11-28Online:2019-08-22Published:2019-08-15
Contact:hua chao

摘要/Abstract

摘要： 用ANSYS CFX软件采用基于有限元的有限体积法对简化的缠绕管式换热器的壳程流动进行模拟，考察管束导程和壳程流速等参数对缠绕管式换热器壳程流体流动特性的影响。结果表明，减小缠绕管束的导程可提高壳程流体的湍流程度，增强壳程流体的均匀程度，减少温度死区并提高换热效率，减小同一截面不同区域的压力差，进而减小因流场不均匀而对管束产生的破坏性应力。提高壳程流速可增强换热，但会增加壳程压降。

引用本文

张旭李明凯陆平白芳周川华超. 缠绕管式换热器的CFD优化[J]. 过程工程学报, 2019, 19(4): 693-703.
Xu ZHANG Mingkai LI Ping LU Fang BAI Chuan ZHOU Chao HUA. CFD optimizations of spiral-wound heat exchangers[J]. Chin. J. Process Eng., 2019, 19(4): 693-703.

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