Abstract
This paper presents the first and second law analyses of the developed solar-desiccant air-conditioning system (SDACS). The results of the analyses show that the solar collector is the main contributor to both energy loss and exergy destruction of the system at 35.56% and 55.30%. The water pipe network contributed to 13.45% and 1.65% of energy loss and exergy loss. Electric heater contributed to 0.66% and 7.94% of the energy loss and exergy destruction. Storage tank contributed to 5.80% and 6.70% of energy loss and exergy destruction. Desiccant wheel contributed to 3.25% and 0.58% of energy loss and exergy destruction. Air fans contributed to 0.44% and 1.51% of energy loss and exergy destruction. At present, the thermal energy system (TES) has energy and exergy performances based on electric consumption of 2.428 and 0.199. The desiccant cooling system (DCS) has energy and exergy performances based on thermal consumption of 0.403 and 0.093. The desiccant cooling system has in terms of energy and exergy performances based on electric consumption of 1.627 and 0.029. The whole system (SDACS) energy and exergy performance based on electric consumption are 1.238 and 0.084.
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