Abstract
In this study, a transient mathematical model of a 4-bed adsorption chiller using Maxsorb III as the adsorbent and CO2 as the refrigerant has been analyzed. The performances of the cyclic-steady-state system are presented for different heating and cooling water inlet temperatures. It is found that the desorption pressure has a big influence in the performances due to the low critical point of CO2 (Tc=31°C). With 80kg of Maxsorb III, the CO2 based adsorption chiller produces 2kW of cooling power and presents a COP of 0.1, at driving heat source temperature of 95°C along with a cooling temperature of 27°C and at optimum desorption pressure of 79bar. The present thermal compression air-conditioning system could be driven with solar energy or waste heat from internal combustion engines and therefore is suitable for both residential and mobile air-conditioning applications.
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