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- Title
管壳式相变蓄冷单元传热肋片拓扑优化设计.
- Authors
孟金龙; 张庭玮; 徐世俊; 闫学文; 胡伟强
- Abstract
In view of the problems of solidification of the structure design of heat transfer ribs of shell and tube phase change cold storage unit, the lack of theoretical guidance in conceptual design, poor improvement of heat transfer enhancement and other problems, the physical model of the two-dimensional pipe shell phase change cold storage element was constructed and the finite element was analyzed based on the topology optimization theory, the average temperature at the final moment was selected as the target function, and the two-dimensional fin topology optimization model of the shell and tube phase change cold storage unit was constructed based on the condition of the proportion of the volume of the fin material. Besides, the similarities and differences of the optimized topological configuration obtained under the proportion of different fin volume were further analyzed, and the volume ratio of 20% was the better value of comprehensively considering the optimization effect and cost. Comparing the cooling characteristics of the straight fin unit and the topological optimization fin unit under the same fin volume fraction, it is found that the cold storage rate of the topologically optimized fin is increased by 41. 7% compared with the straight fin, and the average temperature of the final design domain is reduced by about 3 ℃ compared with the straight fin, thus the advantages of topology optimization in the heat transfer structure optimization of the phase change cold storage unit is verified.
- Publication
Science Technology & Engineering, 2023, Vol 23, Issue 35, p15069
- ISSN
1671-1815
- Publication type
Article