The impact of the corrugated absorber shape on the performance of a hemispherical solar still for water desalination: an experimental study

被引：0
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作者：
Abd Elnaby Kabeel
Mohammed El Hadi Attia
Abdelkader Bellila
Wael M. El-Maghlany
Mohamed Fayed
Abdelkader Saad Abdullah
Iham F. Zidane
机构：
[1] Tanta University,Mechanical Power Engineering Department, Faculty of Engineering
[2] Faculty of Engineering Delta University for Science and Technology,Department of Physics, Faculty of Exact Science
[3] University of El Oued,Labthop Laboratory, Faculty of Exact Sciences
[4] University of El Oued,Mechanical Engineering Department, Faculty of Engineering
[5] Alexandria University,College of Engineering and Technology
[6] American University of the Middle East,Department of Mechanical Engineering
[7] College of Engineering in Al-Kharj,Mechanical Power Engineering Department, Faculty of Engineering
[8] Prince Sattam Bin Abdulaziz University,Mechanical Engineering Department, College of Engineering and Technology
[9] Tanta University,undefined
[10] Arab Academy for Science,undefined
[11] Technology and Maritime Transport,undefined
[12] AASTMT,undefined
来源：
Applied Water Science | 2023年 / 13卷
关键词：
Solar energy; Corrugated absorber shapes; Thermal efficiency; Hemispherical solar still;
D O I：
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中图分类号：
学科分类号：
摘要：
Solar stills utilization has received great interest in arid isolated regions. In this study, experimental approaches have been investigated to prove the impact of the corrugated absorber shape on the hemispherical solar still performance. Four geometric corrugated shapes including present flat, triangular, semi-circular, square forms were tested for the corrugated absorber. Five hemispherical solar distillers have been fabricated and tested. The first distiller includes flat absorber (HSD-FA), the second distiller includes square corrugated absorber (HSDSA), the third distiller includes semi-circular corrugated absorber (HSD-SCA), the fourth distiller includes triangular corrugated absorber (HSDTA), and the fifth distiller is conventional (CHSD). The first and second distillers were compared with the CHSD on the first day. On the second day, the third and fourth distillers were compared with the CHSD as well. Experimental results obtained showed that, the total freshwater yield of the HSD-FA, HSDSA, HSDSCA and HSDTA were improved by 16.67, 27.08, 39.58 and 48.96%, respectively, compared over that of the CHSD. These results prove that the use of the triangular corrugated absorber shaped provides the highest thermal efficiency, and the optimum corrugated absorber shape is the triangular corrugated absorber shape.
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