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Experimental study of a double-diffusive system: application to solar ponds
Tavares, Célia; Coelho, João M. P.; Alves, D. Castro; Abreu, Manuel A.; Joyce, António; Fernandes, E. C.A salt gradient solar pond is an artificial device used to collect and store solar thermal energy. A non-convective zone, in the middle of the solar pond, reduces thermal losses and allows a significant rise of temperature in the saltier lower zone where the solar thermal energy is stored. The non-convective zone, also named gradient zone, is characterized by a salinity gradient that increase the density with d...
Thermal energy production by a dual solar pound
Giestas, Margarida Canedo; Joyce, António; Milhazes, Jorge P.; Loureiro, DavidA Salt Gradient Solar Pond (SGSP) is a salt water basin that collects and stores solar energy. These devices rely on the existence of a non-convective zone (NCZ) that functions as a transparent thermal insulation zone, created by a salt gradient. Salinity and temperature gradients in this zone can give rise to double diffusive problems that can decrease the insulation properties of this zone. The stability of t...
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