Exergoeconomic and enviroeconomic analyses of N identical photovoltaic thermal integrated double slope solar still
by Desh Bandhu Singh
International Journal of Exergy (IJEX), Vol. 23, No. 4, 2017

Abstract: This paper deals with the enhancement in exergoeconomic and enviroeconomic parameters for double slope solar still by incorporating N identical partially covered photovoltaic thermal (PVT) collectors. The energy, exergy, exergoeconomic and enviroeconomic parameters and productivity have been computed for double slope solar still incorporated with N identical PVT flat plate collectors (N-PVT-FPC-DS). The analysis has been done at 0.14 m water depth, optimum values of mass flow rate and a number of collectors considering four climatic conditions of New Delhi for each month of the year. The result obtained for the proposed system has been compared with the result of earlier researchers. It has been concluded that kWh per unit cost based on exergy gain is higher by 40.73% and 54.63%; environmental cost is higher by 59.70% and 92.55%; however, the output per unit input based on productivity is higher by 9.25% and lower by 25.13% for N-PVT-FPC-DS than double slope solar still integrated with N identical PVT compound parabolic concentrator collector and conventional double slope solar still, respectively.

Online publication date: Mon, 28-Aug-2017

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