A novel curdlan based desiccant coated heat exchanger for efficient dehumidification
Abstract Desiccant-coated heat exchangers (DCHEs) are instrumental in dehumidification processes; however, the efficiency of existing DCHE systems is often hindered by suboptimal desiccant performance and inadequate optimization of the desiccant-heat exchanger interactions. To address these limitati...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-03-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-025-89914-0 |
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| author | Xiaoping Lei Wenjun Ying Zhaoran Xue Hua Zhang Jiayun Wang |
| author_facet | Xiaoping Lei Wenjun Ying Zhaoran Xue Hua Zhang Jiayun Wang |
| author_sort | Xiaoping Lei |
| collection | DOAJ |
| description | Abstract Desiccant-coated heat exchangers (DCHEs) are instrumental in dehumidification processes; however, the efficiency of existing DCHE systems is often hindered by suboptimal desiccant performance and inadequate optimization of the desiccant-heat exchanger interactions. To address these limitations, we developed a novel curdlan-based DCHE system, formulated a dynamic heat and mass transfer model in COMSOL, and assessed its dehumidification capabilities across a range of environmental conditions. Our dynamic model was experimentally validated, yielding errors of ± 10% for outlet temperature and ± 7.3% for humidity during both dehumidification and regeneration phases. Under an inlet air humidity of 80%, the system achieved a moisture removal capacity (MRC) of 11.84 g/kg and a moisture removal rate (MRR) of 79.4%. Furthermore, the coefficient of performance (COP) peaked at 2.84, with an average cooling capacity (Q) of 385.4 W at a regeneration temperature of 50 °C. This study paves the way for significantly enhancing DCHE dehumidification efficiency and presents a promising energy-saving solution for managing ambient humidity. |
| format | Article |
| id | doaj-art-d2a628d070534166bfe5ca874b33b85d |
| institution | DOAJ |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-d2a628d070534166bfe5ca874b33b85d2025-08-20T02:59:20ZengNature PortfolioScientific Reports2045-23222025-03-0115111710.1038/s41598-025-89914-0A novel curdlan based desiccant coated heat exchanger for efficient dehumidificationXiaoping Lei0Wenjun Ying1Zhaoran Xue2Hua Zhang3Jiayun Wang4Institute of Refrigeration and Cryogenics, University of Shanghai for Science and TechnologyInstitute of Refrigeration and Cryogenics, University of Shanghai for Science and TechnologyInstitute of Refrigeration and Cryogenics, University of Shanghai for Science and TechnologyInstitute of Refrigeration and Cryogenics, University of Shanghai for Science and TechnologyInstitute of Refrigeration and Cryogenics, University of Shanghai for Science and TechnologyAbstract Desiccant-coated heat exchangers (DCHEs) are instrumental in dehumidification processes; however, the efficiency of existing DCHE systems is often hindered by suboptimal desiccant performance and inadequate optimization of the desiccant-heat exchanger interactions. To address these limitations, we developed a novel curdlan-based DCHE system, formulated a dynamic heat and mass transfer model in COMSOL, and assessed its dehumidification capabilities across a range of environmental conditions. Our dynamic model was experimentally validated, yielding errors of ± 10% for outlet temperature and ± 7.3% for humidity during both dehumidification and regeneration phases. Under an inlet air humidity of 80%, the system achieved a moisture removal capacity (MRC) of 11.84 g/kg and a moisture removal rate (MRR) of 79.4%. Furthermore, the coefficient of performance (COP) peaked at 2.84, with an average cooling capacity (Q) of 385.4 W at a regeneration temperature of 50 °C. This study paves the way for significantly enhancing DCHE dehumidification efficiency and presents a promising energy-saving solution for managing ambient humidity.https://doi.org/10.1038/s41598-025-89914-0 |
| spellingShingle | Xiaoping Lei Wenjun Ying Zhaoran Xue Hua Zhang Jiayun Wang A novel curdlan based desiccant coated heat exchanger for efficient dehumidification Scientific Reports |
| title | A novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| title_full | A novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| title_fullStr | A novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| title_full_unstemmed | A novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| title_short | A novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| title_sort | novel curdlan based desiccant coated heat exchanger for efficient dehumidification |
| url | https://doi.org/10.1038/s41598-025-89914-0 |
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