Thermal Performance of an Inverted Absorber Sand Bed Solar Still (IASBSS)

Ramendra Yadav, Aneesh Somwanshi, Raginee Pandey

Abstract


Desalination holds promise as a sustainable solution to address the increasing need for water amidst the shortage of fresh water resources. But the high energy cost of traditional desalination techniques emphasizes the need to switch to more environmentally friendly technologies, particularly solar energy and other renewable sources. In this study, the authors proposed an inverted absorber sand bed solar still (IASBSS) layer of sand placed beneath basin water in an inverted absorber solar still (IASS). By using sand as a sensible storage material, the overall productivity of the conventional IASS increases. The developed mathematical model of the proposed IASBSS has been experimentally validated. For a day in Raipur, CG, India (21.251° N, 81.629° E). The daily performance of the proposed IASBSS is 14.9% higher than conventional IASS. The depth of water above the sand directly influences the amount of distillate produced by the still. When the depth of water increased from 1cm to 3 cm, the daily distillate output produced by the proposed method still decreased by 49%. The use of sand in IASS is found to be an economical option to improve the production output from solar still.

Keywords


Inverted absorber sand bed solar still (IASBSS), Sensible storage material, Sand, Distillate output

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v16i2.15230.g9213

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