Enhancement of pyramid solar distiller performance using thermal storage material

Abstract

This study aims at enhancing the freshwater from saline water via pyramid solar stills (PSS). Experimental work for sand beds PSS was conducted to enhance its performance; the sand was used as thermal storage materials. The effects of sand bed height on the performance of pyramid SS were studied. Experimental results revealed that the sandy layer improves the pyramid SS productions. In addition, the maximum increase in accumulated production of sandy pyramid SS was obtained at sand beds height of 1 cm. At 1 cm height of sand beds the accumulated productivity of the PSS and sandy PSS were 3000 and 4650 mL /m². day, with improvement of 55%, The environmental parameter of black SSS with vapor withdrawal and reflectors was 23 tons CO2 per year.

Energy and Exergy Analysis of Pyramid-Type Solar Still Coupled with Magnetic and Electrical Effects by Using Matlab Simulation

“…For a solar still with a single basin and a single slope, this view factor is usually considered as unity. The heat transfer by radiation (q r,w−g ) between the basin's glass cover and the water can be analyzed using the following equation [59]: q r,w−g = h r,w−g T w − T g (5) For this equation, the part h r,w−g represents the coefficient of radiated heat transfer between the top still glass cover and the water and is demonstrated utilizing the following [58]:…”

“…Projections indicate that by 2025, a third of the world's population could confront severe water shortages [2,3]. While our planet is mostly covered in water, approximately 97% of it is salty and unsuitable for direct consumption or most agricultural purposes [4][5][6]. This scarcity issue is compounded by the energy crisis, characterized by the high cost, environmental damage, and pollution associated with the current heavy reliance on fossil fuels.…”