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Experimental investigation at a summit above 13,000 ft on active solar still water purification powered by photovoltaic: A comparative study
Desalination ( IF 7.098 ) Pub Date : 2019-11-30 , DOI: 10.1016/j.desal.2019.114146
Seyed Masoud Parsa, Davoud Javadi Y, Amir Rahbar, Mahdi Majidniya, Mohsen Salimi, Yasaman Amidpour, Majid Amidpour

This paper presented for the first time the performance of two identical active solar still at the summit of the Mount Tochal (35.6892°N, 51.3890°E) and Tehran (35.8842°N, 51.4199°E) at the height of 13,005 and 3871 ft respectively. The proposed system is a single-slope and single-basin solar still equipped with thermoelectric modules (TEM) as heater powered by photovoltaic (PV) panels. A Series of experiments in three consecutive days from 28.07.2018 to 30.7.2018 on the mountain and Tehran were performed simultaneously. The highest hourly yield at the summit and Tehran reach to 505 ml/h and 360 ml/h respectively. Results showed that the instantaneous efficiency on the mountain hits the highest point to about 66.5% which shows an improvement about 27.8% in comparison with Tehran. Also, total productivity at the summit is 42.5% higher than Tehran. Findings revealed that the overall heat transfer coefficient at the summit is slightly greater rather than Tehran. Temperature difference between water and glass at the summit significantly is higher than Tehran which leads to higher rate of condensation. Moreover, temperature of PV at summit is colder than Tehran that results in better performance of panel.

更新日期:2019-11-30

 

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