CFD-based structure optimization of plate bundle in plate-fin heat exchanger considering flow and heat transfer performance
-
Yao Li
and
Hongyin Jia
Abstract
The plate-fin heat exchanger has been widely applied in the field of air separation and aerospace due to its high specific surface area of heat transfer. However, the low heat transfer efficiency of its plate bundles has also attracted more attention. It is of great significance to optimize the structure of plate-fin heat exchanger to improve its heat transfer efficiency. The plate bundle was studied by combining numerical simulation with experiment. Firstly, according to the heat and mass transfer theory, the plate bundle calculation model of plate-fin heat exchanger was established, and the accuracy of the UDF (User-Defined Functions) for describing the mass and heat transfer was verified. Then, the influences of fin structure parameters on the heat and mass transfer characteristics of channel were discussed, including the height, spacing, thickness and length of fins. Finally the influence of various factors on the flow field performance under different flow states was integrated to complete the optimal design of the plate bundle.
Funding source: The First Batch Projects of Industry-University Cooperation Combined with Education of the Education Ministry in 2020
Award Identifier / Grant number: NO. 202002035025
Funding source: The National Natural Science Foundation of China
Award Identifier / Grant number: 11272151
Funding source: The Postgraduate Research & Practice Innovation Program of Jiangsu Province
Award Identifier / Grant number: KYCX20_0214
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: We would like to acknowledge the support provided by the Postgraduate Research & Practice Innovation Program of Jiangsu Province (KYCX20_0214), the National Natural Science Foundation of China (11272151) and the First Batch Projects of Industry-University Cooperation Combined with Education of the Education Ministry in 2020 (NO. 202002035025).
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Articles
- Effect of an axial-radial plate reactor modifications on a mega methanol plant production
- Numerical simulation of three-dimensional passive micromixer based on the principle of Koch fractal
- Development of activated carbon from sawdust by pyrolysis and methylene blue adsorption
- Multistep concentration of lizardite/antigorite from chrysotile mine tailings – case of the Carey Mine site in East-Broughton (Québec)
- CFD-based structure optimization of plate bundle in plate-fin heat exchanger considering flow and heat transfer performance
- A numerical study on combined baffles quick-separation device
- Decolorization and mineralization of diazo dye under artificial and solar light assisted Fenton and photo-Fenton conditions
- Selective catalytic reduction of NO by Co-Mn based nanocatalysts
- Friedel-Crafts alkylation of benzene with benzyl alcohol over H-MCM-22
