Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier
In the humidification and dehumidification solar desalination system, the recovery of vapor condensation latent heat is the key problem. Using a cascaded phase change heat storage method to recover vapor condensation latent heat can improve the phase change heat storage rate and the water production...
| Glavni autori: | , , , |
|---|---|
| Format: | Članak |
| Jezik: | English |
| Izdano: |
MDPI AG
2022-01-01
|
| Serija: | Applied Sciences |
| Teme: | |
| Online pristup: | https://www.mdpi.com/2076-3417/12/3/1303 |
| _version_ | 1827661624512610304 |
|---|---|
| author | Lixi Zhang Yi Jia Zhida Fan Kangbo Wang |
| author_facet | Lixi Zhang Yi Jia Zhida Fan Kangbo Wang |
| author_sort | Lixi Zhang |
| collection | DOAJ |
| description | In the humidification and dehumidification solar desalination system, the recovery of vapor condensation latent heat is the key problem. Using a cascaded phase change heat storage method to recover vapor condensation latent heat can improve the phase change heat storage rate and the water production performance of dehumidifier. The exergy analysis and experimental methods are used to study the cascaded phase change storage dehumidifier. The results show that the more stages of phase change materials in the cascaded phase change heat storage device, the greater the exergy efficiency will be. The heat transfer performance of phase change materials increases with the increase of hot and wet air temperature and flow at the inlet of the dehumidifier. The exergy efficiency and gain output ratio of three-stage phase change heat storage are higher than that of the single-stage. The three-stage one is recommended. If the heat recovered by the cascaded phase change heat storage device is supplied to the passive humidification dehumidification desalinator for secondary water output, the water output and gain output ratio will increase by 25% and the water production cost will be reduced by 20%. The results can provide a basis for the design and application of a cascaded phase change heat storage dehumidifier. |
| first_indexed | 2024-03-10T00:13:50Z |
| format | Article |
| id | doaj.art-3afd8bdcd1514b0da22cdcfa11ab24d3 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T00:13:50Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-3afd8bdcd1514b0da22cdcfa11ab24d32023-11-23T15:55:16ZengMDPI AGApplied Sciences2076-34172022-01-01123130310.3390/app12031303Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage DehumidifierLixi Zhang0Yi Jia1Zhida Fan2Kangbo Wang3School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaIn the humidification and dehumidification solar desalination system, the recovery of vapor condensation latent heat is the key problem. Using a cascaded phase change heat storage method to recover vapor condensation latent heat can improve the phase change heat storage rate and the water production performance of dehumidifier. The exergy analysis and experimental methods are used to study the cascaded phase change storage dehumidifier. The results show that the more stages of phase change materials in the cascaded phase change heat storage device, the greater the exergy efficiency will be. The heat transfer performance of phase change materials increases with the increase of hot and wet air temperature and flow at the inlet of the dehumidifier. The exergy efficiency and gain output ratio of three-stage phase change heat storage are higher than that of the single-stage. The three-stage one is recommended. If the heat recovered by the cascaded phase change heat storage device is supplied to the passive humidification dehumidification desalinator for secondary water output, the water output and gain output ratio will increase by 25% and the water production cost will be reduced by 20%. The results can provide a basis for the design and application of a cascaded phase change heat storage dehumidifier.https://www.mdpi.com/2076-3417/12/3/1303phase change materialcascaded phase change heat storage devicedehumidifierexperimentswater output |
| spellingShingle | Lixi Zhang Yi Jia Zhida Fan Kangbo Wang Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier Applied Sciences phase change material cascaded phase change heat storage device dehumidifier experiments water output |
| title | Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier |
| title_full | Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier |
| title_fullStr | Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier |
| title_full_unstemmed | Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier |
| title_short | Experimental Investigation and Exergy Analysis of Dehumidification Performances for a Cascaded Phase Change Heat Storage Dehumidifier |
| title_sort | experimental investigation and exergy analysis of dehumidification performances for a cascaded phase change heat storage dehumidifier |
| topic | phase change material cascaded phase change heat storage device dehumidifier experiments water output |
| url | https://www.mdpi.com/2076-3417/12/3/1303 |
| work_keys_str_mv | AT lixizhang experimentalinvestigationandexergyanalysisofdehumidificationperformancesforacascadedphasechangeheatstoragedehumidifier AT yijia experimentalinvestigationandexergyanalysisofdehumidificationperformancesforacascadedphasechangeheatstoragedehumidifier AT zhidafan experimentalinvestigationandexergyanalysisofdehumidificationperformancesforacascadedphasechangeheatstoragedehumidifier AT kangbowang experimentalinvestigationandexergyanalysisofdehumidificationperformancesforacascadedphasechangeheatstoragedehumidifier |