Performance of solar still with a concave wick evaporation surface

A.E. Kabeel

Energy, 2009, vol. 34, issue 10, 1504-1509

Abstract: Surfaces used for evaporation and condensation phenomenon play important roles in the performance of basin type solar still. In the present study, a concave wick surface was used for evaporation, whereas four sides of a pyramid shaped still were used for condensation. Use of jute wick increased the amount of absorbed solar radiation and enhanced the evaporation surface area. A concave shaped wick surface increases the evaporation area due to the capillary effect. Results show that average distillate productivity in day time was 4.1l/m2 and a maximum instantaneous system efficiency of 45% and average daily efficiency of 30% were recorded. The maximum hourly yield was 0.5l/h. m2 after solar noon. An estimated cost of 1l of distillate was 0.065 $ for the presented solar still.

Keywords: Solar still; Solar desalination; Productivity enhancement; Concave solar still (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (35)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:34:y:2009:i:10:p:1504-1509

DOI: 10.1016/j.energy.2009.06.050

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