Effect of Reflecting Material on CPC to Improve the Performance of Hybrid Groundwater Solar Desalination System

Effect of Reflecting Material on CPC to Improve the Performance of Hybrid Groundwater Solar Desalination System

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Water-energy nexus is a crucial and challenging concern that addressing it is noteworthy for the future of human hanes 42tb beings.In addition, freshwater production is a highly energy-intensive procedure.Therefore, developing a suitable solution for this problem is of importance.In the present scenario, solar energy is one of the suitable options for desalination because solar energy is available at a low cost, is clean for the environment, and is widely available.

Generally, solar collectors such as flat plate collectors (FPC) and evacuated tube collectors were experimented for desalination applications.This work presents an experimental investigation of a single-stage hybrid (ETC-CPC) groundwater solar desalination system.A compound parabolic concentrator (CPC) is placed below the evacuated tube collector (ETC) for collecting solar radiations to transfer heat to evacuated tubes which improves performance in the case of different weather conditions of Pune city in India.Experimental results show that the hybrid solar groundwater desalination system, by maintaining the optimum distance of 20 mm between ETC and CPC with Mylar as the reflecting material, could offer a drinking water production rate of up to 3.

4 l/(m2h)/day.However, the proposed single-stage hybrid (ETC+CPC) groundwater solar desalination system with aluminum foil as a reflecting material could generate 1.9 liters of soft case of whispering angel water per day.Further, the use of Mylar as a reflecting material could generate 3.

5 liters of soft water per day.