Factors influencing the performance of basin-type solar desalination units

This investigation reviews the ordinary basin-type solar still and some developments that could be made to improve its performance through increasing the solar radiation penetrating to the still interior and increasing the rate of vapor condensation in the still. For this object, five stills of the...

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Bibliographic Details
Published in:Energy conversion and management 1994, Vol.35 (8), p.693-698
Main Authors: El-Bassuoni, Abdel-Monem A., Tayeb, Aghareed M.
Format: Article
Language:English
Subjects:
Applied sciences
Basin stills
Desalination
Dew point
Energy
Equipments, installations and applications
Exact sciences and technology
Marine
Natural energy
Productivity
Solar
Solar energy
Solar thermal conversion
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Summary:This investigation reviews the ordinary basin-type solar still and some developments that could be made to improve its performance through increasing the solar radiation penetrating to the still interior and increasing the rate of vapor condensation in the still. For this object, five stills of the same dimensions, but of different design, have been designed, erected and tested. The top cover, as well as three side walls of three units of these stills, is made of glass, while the other two units are made of galvanized steel, except the cover which is made of glass. The effect of substituting galvanized steel by glass is studied. Also, three stills are equipped with a finned galvanized steel back to work as a secondary condensing surface, and its effect on productivity is studied. Besides, two stills were fitted with open glass tubes crossing its sides to help reach the dew point of the vapor inside, and the effect of that developed design is investigated.
ISSN:0196-8904
1879-2227
DOI:10.1016/0196-8904(94)90053-1