Abstract
The operation of a chemisorption air conditioner was investigated by simulation, and the coefficient of performance (COP), the cooling power density, and the thermal efficiency were assessed. Three kinds of cycle were studied, with and without heat recovery between the reactors that contained MnCl2 and NiCl2. The highest cooling power density was obtained with the conventional cycle without heat recovery. However, this cycle had a low COP of only 0.18. The cycle that combined resorption with the conventional process of evaporation and condensation, and employed the heat recovery process, produced the highest COP, which was equal to 1.10. The drawback, however, was the long cycle time, which led to a low cooling power density of only 21.5 kW m -3 . In cases where the cooling power density is as important as the COP, the resorption cycle with heat recovery seems to be the best option, because a COP of 0.72 can be realized and a cooling power density equal to 47.2 kW m -3 can be obtained.
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