Experimental study to enhance the productivity of single-slope single-basin solar still

Existence of potable water is considered as one of the important issues that are related to the survival of human life, especially in fresh water scarce areas. So, it is necessary to find a solution to this problem. In the current work, the productivity of fresh water in conventional single-slope si...

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Main Author: Diabil Hayder Azeez Neamah
Format: Article
Language:English
Published: De Gruyter 2022-03-01
Series:Open Engineering
Subjects:
Online Access:https://doi.org/10.1515/eng-2022-0015
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author Diabil Hayder Azeez Neamah
author_facet Diabil Hayder Azeez Neamah
author_sort Diabil Hayder Azeez Neamah
collection DOAJ
description Existence of potable water is considered as one of the important issues that are related to the survival of human life, especially in fresh water scarce areas. So, it is necessary to find a solution to this problem. In the current work, the productivity of fresh water in conventional single-slope single-basin solar still is increased by using two modification methods. The first method is reflecting the solar ray to the still basin by using aluminum foils that are pasted on the interior surfaces of the still walls. This method will enhance the fallen solar rays on basin water and reduce heat losses. The second method increases the evaporation surface area by introducing blackened stainless steel balls with different diameters at the still basin. Balls of two diameters chosen: 5 and 10 mm. The experimental results show that the productivity of solar still with 10 mm-diameter balls is higher than that of the conventional solar still by 38.07%. The corresponding values of the stills with 5 mm-diameter balls and aluminum foils are 31.41 and 14.87%, respectively. The thermal efficiency of the highest productivity solar still is 27.81%. Other stills are characterized by lower thermal efficiencies by various rates.
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spelling doaj.art-839dfedc00c64bf795abd6a116e8dd252022-12-22T04:28:59ZengDe GruyterOpen Engineering2391-54392022-03-0112115716810.1515/eng-2022-0015Experimental study to enhance the productivity of single-slope single-basin solar stillDiabil Hayder Azeez Neamah0Mechanical Department, Engineering College, Kufa University, Najaf, IraqExistence of potable water is considered as one of the important issues that are related to the survival of human life, especially in fresh water scarce areas. So, it is necessary to find a solution to this problem. In the current work, the productivity of fresh water in conventional single-slope single-basin solar still is increased by using two modification methods. The first method is reflecting the solar ray to the still basin by using aluminum foils that are pasted on the interior surfaces of the still walls. This method will enhance the fallen solar rays on basin water and reduce heat losses. The second method increases the evaporation surface area by introducing blackened stainless steel balls with different diameters at the still basin. Balls of two diameters chosen: 5 and 10 mm. The experimental results show that the productivity of solar still with 10 mm-diameter balls is higher than that of the conventional solar still by 38.07%. The corresponding values of the stills with 5 mm-diameter balls and aluminum foils are 31.41 and 14.87%, respectively. The thermal efficiency of the highest productivity solar still is 27.81%. Other stills are characterized by lower thermal efficiencies by various rates.https://doi.org/10.1515/eng-2022-0015distillationsolar stillsolar energythermal efficiencyeconomic feasibility
spellingShingle Diabil Hayder Azeez Neamah
Experimental study to enhance the productivity of single-slope single-basin solar still
Open Engineering
distillation
solar still
solar energy
thermal efficiency
economic feasibility
title Experimental study to enhance the productivity of single-slope single-basin solar still
title_full Experimental study to enhance the productivity of single-slope single-basin solar still
title_fullStr Experimental study to enhance the productivity of single-slope single-basin solar still
title_full_unstemmed Experimental study to enhance the productivity of single-slope single-basin solar still
title_short Experimental study to enhance the productivity of single-slope single-basin solar still
title_sort experimental study to enhance the productivity of single slope single basin solar still
topic distillation
solar still
solar energy
thermal efficiency
economic feasibility
url https://doi.org/10.1515/eng-2022-0015
work_keys_str_mv AT diabilhayderazeezneamah experimentalstudytoenhancetheproductivityofsingleslopesinglebasinsolarstill