adsorption refrigeration systems. This study aims to investigate the characteristics of two types of silica gels, RD and A, with respect to their capacity and rate of adsorption and desorption of water vapor. A modeling approach that integrates experimental results was used to simulate an adsorption refrigeration system, considering the properties of silica gels and boundary conditions. The simulations featured operating pressures of 2.5 kPa and a cooling temperature of 30°C for the adsorption process and operating pressures of 6.2 kPa with a heating temperature of 85°C for the desorption process. A Computational Fluid Dynamics (CFD) simulation method utilizing Toth Isotherm modeling was employed to determine the isothermal characteristics, while Linear Driving Force (LDF) modeling was used to assess the kinetic characteristics. The simulation results indicate that silica gel type RD has higher adsorption and desorption capacities than silica gel type A when interacting with water. After 100 seconds in the transient phase, type RD reached an adsorption capacity of 0.1741 kg/kg, while type A achieved only 0.1256 kg/kg. By the end of the process, type RD's adsorption capacity increased to 0.2127 kg/kg, whereas type A's capacity reached 0.1422 kg/kg. During the desorption process, type RD also exhibited higher desorption capacities at every stage. After 100 seconds, type RD recorded a desorption capacity of 0.0517 kg/kg, while type A reached only 0.0370 kg/kg. At saturation, the desorption value for type RD was 0.0474 kg/kg, in contrast to type A's value of 0.0334 kg/kg.