Experimental investigation of a double-bed adsorption cooling system for application in green buildings

Abstract

Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.In this study, an adsorption cooling system with silica gel as the adsorbent and water as the adsorbate was built and the system performance was studied experimentally under various working conditions. The adsorption cooling system contains two adsorbers in a u-tube and circular plate fin structure, an evaporator (chilled water tank), two condensers, one heating and one cooling water tank, and is equipped with measuring instruments and supplementary system components. Under the standard operation condition: adsorber cooling water inlet temperature about 34 °C, desorption temperature of 80 °C, evaporating temperature of 14 °C and adsorption/desorption phase time of 15 minutes, the coefficient of performance (COP) of the adsorption cooling system was recorded at about 0.3 while the specific cooling power (SCP) was about 39.1 W/kg.