Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units
Topological fins can significantly improve heat transfer in latent heat storage units. In this study, a two-dimensional topology optimization model for a shell-and-tube latent heat storage unit was developed and experimentally validated. The optimal fin for different operating conditions and charge-...
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| Format: | Article |
| Language: | Chinese |
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Journal of Refrigeration Magazines Agency Co., Ltd.
2025-06-01
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| Series: | Zhileng xuebao |
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| Online Access: | http://www.zhilengxuebao.com/zh/article/doi/10.12465/j.issn.0253-4339.2025.03.024/ |
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| author | Xie Yun Zhao Yao |
| author_facet | Xie Yun Zhao Yao |
| author_sort | Xie Yun |
| collection | DOAJ |
| description | Topological fins can significantly improve heat transfer in latent heat storage units. In this study, a two-dimensional topology optimization model for a shell-and-tube latent heat storage unit was developed and experimentally validated. The optimal fin for different operating conditions and charge-discharge cycles was investigated. Box-counting dimensions and fin surface areas per unit length were used to characterize the topological fins. The results showed that increasing the charging time simplified the fin structures, whereas discharging times of more than 600 s extended the fin tips. For the 3 000 s charge-discharge cycle, the optimal fin increased the surface area per unit length by 80% and the discharge energy density by 37.6% compared to the fin for the 3 000 s charging process. The topological fin for a 300 s discharge-charge cycle with an extended branch resulted in a 7.7% increase in heat storage density. |
| format | Article |
| id | doaj-art-df24fc0678ba46e8a60ada52eaacf00c |
| institution | Matheson Library |
| issn | 0253-4339 |
| language | zho |
| publishDate | 2025-06-01 |
| publisher | Journal of Refrigeration Magazines Agency Co., Ltd. |
| record_format | Article |
| series | Zhileng xuebao |
| spelling | doaj-art-df24fc0678ba46e8a60ada52eaacf00c2025-06-28T19:00:34ZzhoJournal of Refrigeration Magazines Agency Co., Ltd.Zhileng xuebao0253-43392025-06-01462431104665717Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage UnitsXie YunZhao YaoTopological fins can significantly improve heat transfer in latent heat storage units. In this study, a two-dimensional topology optimization model for a shell-and-tube latent heat storage unit was developed and experimentally validated. The optimal fin for different operating conditions and charge-discharge cycles was investigated. Box-counting dimensions and fin surface areas per unit length were used to characterize the topological fins. The results showed that increasing the charging time simplified the fin structures, whereas discharging times of more than 600 s extended the fin tips. For the 3 000 s charge-discharge cycle, the optimal fin increased the surface area per unit length by 80% and the discharge energy density by 37.6% compared to the fin for the 3 000 s charging process. The topological fin for a 300 s discharge-charge cycle with an extended branch resulted in a 7.7% increase in heat storage density.http://www.zhilengxuebao.com/zh/article/doi/10.12465/j.issn.0253-4339.2025.03.024/latent thermal energy storagetopology optimizationfin structurenatural convectionmulti-condition optimization |
| spellingShingle | Xie Yun Zhao Yao Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units Zhileng xuebao latent thermal energy storage topology optimization fin structure natural convection multi-condition optimization |
| title | Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units |
| title_full | Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units |
| title_fullStr | Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units |
| title_full_unstemmed | Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units |
| title_short | Influence Mechanism of Heat Storage/Release Duration on the Topological Structure of Fins in Latent Thermal Energy Storage Units |
| title_sort | influence mechanism of heat storage release duration on the topological structure of fins in latent thermal energy storage units |
| topic | latent thermal energy storage topology optimization fin structure natural convection multi-condition optimization |
| url | http://www.zhilengxuebao.com/zh/article/doi/10.12465/j.issn.0253-4339.2025.03.024/ |
| work_keys_str_mv | AT xieyun influencemechanismofheatstoragereleasedurationonthetopologicalstructureoffinsinlatentthermalenergystorageunits AT zhaoyao influencemechanismofheatstoragereleasedurationonthetopologicalstructureoffinsinlatentthermalenergystorageunits |