Influence of ZnO nano-refrigerant in R134a on performance compression systems of refrigeration

Abstract

In the era of technological, advancements in various fields, refrigeration systems have a significant function in meeting human needs, and continuous research must be done by many researchers who are working to enhance the performance of these systems. Here, an attempt was made to enhance system performance. In the present work, the investigational investigations of ZnO nanoparticles at three amounts (O.2 %, 0.4 %, 0.6 %) are dispersed in polyalkylene glycol (PAG) oil with R134a refrigerant and it is test effect of three temps of water in the evaporator (40degree centigrade, 50-degree centigrade, 60-degree centigrade), it is observed that there is a decrease in the evaporator temp, an enhancement in the thermophysical characteristics of the nano-refrigerant, and maximum an enhancement in the performance coefficient is 24.92 percent at the temp of the water in evaporator 40-degree centigrade and 0.6 percent amount of nanoparticles, while, the power usage is reduced by 3 to 19 percent, and the temp is reduced by (40-degree centigrade – 17-degree centigrade). The investigational investigates show that the systems of refrigeration with nano-refrigerant works normally, just like any other system of refrigeration. Thus nano-particles can be applied to enhance the performance of hydrocarbon-based systems of refrigeration under test conditions.