This paper presents a simulation for a lowgrade
thermally powered two-beds adsorption cooling
system employing HFC-32 and a mixture of HFC-32 and
HFC-125 (HFC-410a) with activated carbon of type Maxsorb
III. The present simulation model adopts experimentally
measured adsorption isotherms, adsorption kinetics
and isosteric heat of adsorption data. Effect of operating
conditions (mass flow rate of hot water, driving heat source
temperature and evaporator temperature) on the system performance
has been studied in detail. The simulation results
showed that the system could be powered by low-grade
heat source temperature (below 85 °C). AC/HFC-32 and
AC/HFC-410a adsorption cooling cycles achieved close
specific cooling power and coefficient of performance values
of 0.15 kW/kg and 0.3, respectively at a regeneration
temperature of 90 °C along with evaporator temperature of
10 °C. The investigated semi continuous adsorption cooling
system could produce a cooling power of 9 kW.