Abstract
An exergetic analysis was made to a GAX refigeration cycle. This GAX refigeration system was designed to produce 10 kW cooling power using two thermal sources, LP gas and solar energy, the system used to be air cooled avoiding the cooling tower. The methodology of exergetic cost was used to identify which part of the system generates the most irrerversibilites. The results indicates the absorber, the generator and the rectifier are the most irreversible components of the system. The sum of these three components irreversibilities represent the 58% of the total irreversibility. The exergetic cost was calculated for all of the flows of the GAX refrigeration cycle, the unit exergetic cost of the heat flow at the evaporator is 6.8. The highest exergetic cost was found in the solution coming out of the rectifier to the generator heat exchanger.
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