Performance enhancement of a single basin solar still with flow of water from an air cooler on the cover

The annual performance of a conventional solar still, with water from the tank of an air cooler, flowing over the cover, has been computed for four different climatic zones in Indian plains. It is seen that the annual yield can be increased between 41.3% and 56.5%. The increase in annual efficiency...

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Veröffentlicht in:Desalination 2014-11, Vol.352, p.92-102
Hauptverfasser: Somwanshi, Aneesh, Tiwari, Anil Kumar
Format: Artikel
Sprache:eng
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Zusammenfassung:The annual performance of a conventional solar still, with water from the tank of an air cooler, flowing over the cover, has been computed for four different climatic zones in Indian plains. It is seen that the annual yield can be increased between 41.3% and 56.5%. The increase in annual efficiency is between 7.4% and 9.9%. Increase in yield is the largest for hot and dry climate of Jodhpur and the least for warm and humid climate of Chennai. Moreover the distillate output increases slightly with increase in mass flow rate and tends to saturate around 0.075kg/s. These figures are indicative of the viability of the concept. Cost of additional water produced by flow of water from the desert cooler over the cover with two solar stills working together is between Rs. 0.60/l for hot and dry climate to Rs. 0.78/l for warm and humid climate. (U.S.D. 1.00=Rs. 62.50) •Solar still output enhances by flowing water from an air cooler over glass cover.•The largest increase in annual distillate output is for climate of Jodhpur (56.5%).•The least increase in annual distillate is for climate of Chennai (41.3%).•Cost of additional distillate output with two stills is Rs 0.60/l for Jodhpur climate.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2014.08.011