Performance evaluation of single basin double slope v-type desalination still coupled with tracked and non-tracked solar dish concentrator
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Abstract
This study investigates the enhancement in fresh water productivity of a double-slope solar desalination still when coupled with both tracking and non-tracking solar dish concentrators. The primary objective was to quantify the performance differential between the two concentrator types under clear-sky conditions and compare the maximum yields against conventional desalination. Experimental results demonstrated that the maximum daily and hourly fresh water outputs for the tracked concentrator system were 4,050 mL/d and 730 mL/h, respectively. In comparison, the non-tracking system achieved maximum outputs of 2,760 mL/d and 530 mL/h. The tracking system led to a significant overall increase in fresh water production, showing an improvement of 46% compared to the non-tracking configuration and a 100% increase when benchmarked against conventional desalination. The maximum energy consumed by the system utilizing the tracked concentrator was recorded at 23,113 kJ/day. The findings underscore the substantial advantage of solar tracking technology in maximizing the output of solar desalination stills, presenting a viable path toward increased efficiency in passive water purification systems.
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