Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems
A two-dimensional numerical model of a plate-fin tube heat exchanger for use as a dehumidifier in a humidification-dehumidification (HDH) desalination systems is developed, because typical heating, ventilating, and air conditioning (HVAC) dehumidifier models and plate-fin tube dehumidifier geometrie...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
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Taylor & Francis
2014
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| Online Access: | http://hdl.handle.net/1721.1/88095 https://orcid.org/0000-0002-2901-0638 |
| _version_ | 1811090655572656128 |
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| author | Sievers, Martin Lienhard, John H. |
| author2 | Massachusetts Institute of Technology. Department of Mechanical Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Mechanical Engineering Sievers, Martin Lienhard, John H. |
| author_sort | Sievers, Martin |
| collection | MIT |
| description | A two-dimensional numerical model of a plate-fin tube heat exchanger for use as a dehumidifier in a humidification-dehumidification (HDH) desalination systems is developed, because typical heating, ventilating, and air conditioning (HVAC) dehumidifier models and plate-fin tube dehumidifier geometries are not intended for the considerably higher temperature and humidity ratio differences which drive heat and mass transfer in HDH desalination applications. The experimentally validated model is used to investigate the influence of various heat exchanger design parameters. Potential improvements on common plate-fin tube dehumidifier designs are identified by examining various methods of optimizing tube diameter, and longitudinal and transverse tube spacing to achieve maximum heat flow for a given quantity of fin material at a typical HDH operating point. Thicker fins are recommended than for HVAC geometries, as the thermal conductive resistance of HVAC fins restricts dehumidifier performance under HDH operating conditions. |
| first_indexed | 2024-09-23T14:49:46Z |
| format | Article |
| id | mit-1721.1/88095 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T14:49:46Z |
| publishDate | 2014 |
| publisher | Taylor & Francis |
| record_format | dspace |
| spelling | mit-1721.1/880952022-10-01T22:42:42Z Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems Sievers, Martin Lienhard, John H. Massachusetts Institute of Technology. Department of Mechanical Engineering Lienhard, John H. Lienhard, John H. Sievers, Martin A two-dimensional numerical model of a plate-fin tube heat exchanger for use as a dehumidifier in a humidification-dehumidification (HDH) desalination systems is developed, because typical heating, ventilating, and air conditioning (HVAC) dehumidifier models and plate-fin tube dehumidifier geometries are not intended for the considerably higher temperature and humidity ratio differences which drive heat and mass transfer in HDH desalination applications. The experimentally validated model is used to investigate the influence of various heat exchanger design parameters. Potential improvements on common plate-fin tube dehumidifier designs are identified by examining various methods of optimizing tube diameter, and longitudinal and transverse tube spacing to achieve maximum heat flow for a given quantity of fin material at a typical HDH operating point. Thicker fins are recommended than for HVAC geometries, as the thermal conductive resistance of HVAC fins restricts dehumidifier performance under HDH operating conditions. Elisabeth Meurer Foundation Karl H. Ditze Foundation German Academic Exchange Service Center for Clean Water and Clean Energy at MIT and KFUPM 2014-06-24T18:36:35Z 2014-06-24T18:36:35Z 2014-04 Article http://purl.org/eprint/type/JournalArticle 0145-7632 1521-0537 http://hdl.handle.net/1721.1/88095 Sievers, Martin, and John H. Lienhard V. “Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems.” Heat Transfer Engineering (April 23, 2014): pp. 1-76. https://orcid.org/0000-0002-2901-0638 en_US http://dx.doi.org/10.1080/01457632.2014.916153 Heat Transfer Engineering Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Taylor & Francis Prof. Lienhard via Angie Locknar |
| spellingShingle | Sievers, Martin Lienhard, John H. Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title | Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title_full | Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title_fullStr | Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title_full_unstemmed | Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title_short | Design of Plate-Fin Tube Dehumidifiers for Humidification-Dehumidification Desalination Systems |
| title_sort | design of plate fin tube dehumidifiers for humidification dehumidification desalination systems |
| url | http://hdl.handle.net/1721.1/88095 https://orcid.org/0000-0002-2901-0638 |
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