Theoretical study on the dehumidification behaviors of dual-desiccants coated cross-flow heat exchanger with staged adsorption-desorption process
文献类型：期刊论文
| 作者 | Liu, Lin1; Wu, Rongjun2; Huang, Hongyu1; Li, Jun1; Bai, Yu1; He, Zhaohong1; Deng, Lisheng1; Wang, Zhenpeng1; Kubota, Mitsuhiro2; Kobayashi, Noriyuki2 |
| 刊名 | ENERGY
 |
| 出版日期 | 2024-06-15 |
| 卷号 | 297页码:14 |
| 关键词 | Dehumidification Desiccant coated heat exchanger Heat and mass transfer Staged adsorption-desorption Air-conditioning |
| ISSN号 | 0360-5442 |
| DOI | 10.1016/j.energy.2024.131050 |
| 通讯作者 | Wu, Rongjun(rongjun_wu@126.com) ; Huang, Hongyu(huanghy@ms.giec.ac.cn) |
| 英文摘要 | The conventional desiccant coated heat exchangers (DCHEs) suffer from the inefficient utilization of regenerative energy and the inadequate dehumidification capacity of a single desiccant. In this study, a concept of dualdesiccants cross-flow DCHE with staged adsorption-desorption process was proposed to strengthen dehumidification capacity and energy efficiency simultaneously. In order to guide the construction of proposed DCHE, the steady-state dehumidification capacity of single-desiccant (specifically, silica gel, FAM Z01, FAM Z05 and EMM8) cross-flow DCHE was investigated by thermodynamic analysis. The dual-desiccants cross-flow DCHE was thus constructed, and its numerical model was established to investigate the dehumidification characteristics. Theoretical analysis revealed that single-desiccant cross-flow DCHEs exhibit different optimal relative humidity ranges for dehumidification. The minimum regeneration temperature driving dehumidification cycle increases as the lower supply air humidity is required. Numerical results demonstrated that the staged adsorption process ensures a large dehumidification capacity across a wide humidity range, including low humidity conditions. Meanwhile, the staged desorption process facilitates the cascade utilization of energy and the direct recovery of regenerative waste heat. For dual-desiccants cross-flow DCHE utilizing silica gel and EMM-8, the moisture removal capacity and dehumidification coefficient of performance can reach 0.012 kg/kg and 0.41, respectively. |
| WOS关键词 | PERFORMANCE |
| 资助项目 | National Key Research and Development Program of China[2021YFB1507303] ; Guangdong Basic and Applied Basic Research Foundation, China[2023A1515011325] ; Guangdong Basic and Applied Basic Research Foundation, China[2022A1515110973] |
| WOS研究方向 | Thermodynamics ; Energy & Fuels |
| 语种 | 英语 |
| WOS记录号 | WOS:001293744600001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 资助机构 | National Key Research and Development Program of China ; Guangdong Basic and Applied Basic Research Foundation, China |
| 源URL | [http://ir.giec.ac.cn/handle/344007/42673]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Wu, Rongjun; Huang, Hongyu |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, 2 Nengyuan Rd, Guangzhou 510640, Peoples R China 2.Nagoya Univ, Grad Sch Engn, Dept Chem Syst Engn, 464-8603 Furo Cho,Chikusa Ku, Nagoya, Aichi 4648603, Japan |
| 推荐引用方式 GB/T 7714 | Liu, Lin,Wu, Rongjun,Huang, Hongyu,et al. Theoretical study on the dehumidification behaviors of dual-desiccants coated cross-flow heat exchanger with staged adsorption-desorption process[J]. ENERGY,2024,297:14. |
| APA | Liu, Lin.,Wu, Rongjun.,Huang, Hongyu.,Li, Jun.,Bai, Yu.,...&Kobayashi, Noriyuki.(2024).Theoretical study on the dehumidification behaviors of dual-desiccants coated cross-flow heat exchanger with staged adsorption-desorption process.ENERGY,297,14. |
| MLA | Liu, Lin,et al."Theoretical study on the dehumidification behaviors of dual-desiccants coated cross-flow heat exchanger with staged adsorption-desorption process".ENERGY 297(2024):14. |
入库方式： OAI收割
来源：广州能源研究所
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