4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling
This study explores the potential performance improvements of a tubular solar still (TSS) through innovative design modifications. Three configurations are explored a hanging wick for thin-film evaporation, an evacuated tube solar heater to boost evaporation, and a cover cooling system to enhance co...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-08-01
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| Series: | Case Studies in Thermal Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X2500526X |
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| author | U.F. Alqsair Abanob Joseph A.S. Abdullah Swellam W. Sharshir |
| author_facet | U.F. Alqsair Abanob Joseph A.S. Abdullah Swellam W. Sharshir |
| author_sort | U.F. Alqsair |
| collection | DOAJ |
| description | This study explores the potential performance improvements of a tubular solar still (TSS) through innovative design modifications. Three configurations are explored a hanging wick for thin-film evaporation, an evacuated tube solar heater to boost evaporation, and a cover cooling system to enhance condensation. In the first setup, the TSS achieved a daily output of 4.57 L/m2, which represents a 38.48 % increase compared to the conventional solar still (CSS) average output of 3.2 L/m2. The energy and exergy efficiencies increased to 43.92 % and 3.72 %, respectively, compared to the CSS, which achieved 33 % and 2.1 % for energy and exergy efficiencies, respectively. In the second configuration, the TSS showed further improvement with a daily yield of 8.32 L/m2, an increase of 157.5 % over the CSS. In the third configuration (the best case), the daily yield increased from 3.2 L/m2 in the CSS to 9.96 L/m2, an improvement of 205.48 %. Energy and exergy efficiencies increased to 88.29 % and 9.42 %, respectively. The third configuration has the minimum cost of producing water was 0.0170 $/L alongside 412.79 % enhancement in exergy output (220.43 kWh/year) over the CSS, and five times CO2 emission reduction (5.29 tons). |
| format | Article |
| id | doaj-art-aaa9c6a7dcc24f5ab9792866842c457f |
| institution | Kabale University |
| issn | 2214-157X |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj-art-aaa9c6a7dcc24f5ab9792866842c457f2025-08-20T03:52:52ZengElsevierCase Studies in Thermal Engineering2214-157X2025-08-017210626610.1016/j.csite.2025.1062664E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover coolingU.F. Alqsair0Abanob Joseph1A.S. Abdullah2Swellam W. Sharshir3Department of Mechanical Engineering, College of Engineering in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi ArabiaMechanical Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh, 33516, EgyptDepartment of Mechanical Engineering, College of Engineering in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi ArabiaMechanical Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; Corresponding author.This study explores the potential performance improvements of a tubular solar still (TSS) through innovative design modifications. Three configurations are explored a hanging wick for thin-film evaporation, an evacuated tube solar heater to boost evaporation, and a cover cooling system to enhance condensation. In the first setup, the TSS achieved a daily output of 4.57 L/m2, which represents a 38.48 % increase compared to the conventional solar still (CSS) average output of 3.2 L/m2. The energy and exergy efficiencies increased to 43.92 % and 3.72 %, respectively, compared to the CSS, which achieved 33 % and 2.1 % for energy and exergy efficiencies, respectively. In the second configuration, the TSS showed further improvement with a daily yield of 8.32 L/m2, an increase of 157.5 % over the CSS. In the third configuration (the best case), the daily yield increased from 3.2 L/m2 in the CSS to 9.96 L/m2, an improvement of 205.48 %. Energy and exergy efficiencies increased to 88.29 % and 9.42 %, respectively. The third configuration has the minimum cost of producing water was 0.0170 $/L alongside 412.79 % enhancement in exergy output (220.43 kWh/year) over the CSS, and five times CO2 emission reduction (5.29 tons).http://www.sciencedirect.com/science/article/pii/S2214157X2500526XCover coolingEvacuated tube heaterSustainabilitySolar desalinationThin-film evaporationTubular solar still |
| spellingShingle | U.F. Alqsair Abanob Joseph A.S. Abdullah Swellam W. Sharshir 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling Case Studies in Thermal Engineering Cover cooling Evacuated tube heater Sustainability Solar desalination Thin-film evaporation Tubular solar still |
| title | 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling |
| title_full | 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling |
| title_fullStr | 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling |
| title_full_unstemmed | 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling |
| title_short | 4E performance assessment of innovative tubular solar still enhanced with evacuated tube heater, thin-film hanging wick, and cover cooling |
| title_sort | 4e performance assessment of innovative tubular solar still enhanced with evacuated tube heater thin film hanging wick and cover cooling |
| topic | Cover cooling Evacuated tube heater Sustainability Solar desalination Thin-film evaporation Tubular solar still |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X2500526X |
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