No abstract

Global warming is the general rise in global temperature caused by higher-than-normal amounts of greenhouse gases, which traps heat approaching the globe and allows heat waves to continue accessing the atmosphere and being unable to escape over time. Following worldwide attempts to phase out chlorinated fluids in order to preserve the ozone layer as a result of the Montreal Protocol, this study employed low-GWP alternative refrigerants to minimize greenhouse gas emissions. The Cycle-D-Hx software, which is a thermodynamic model of the refrigeration system with a graphical user interface, was used to assess the performance of household refrigerators using various types of refrigerants. Data from an R134A-charged household refrigerator was used to verify the model. The model was then used to evaluate the performance of a number of low-GWP alternative refrigerants, such as R404A, R449A, R513A, and R452A. The R452A was shown to have a high COP, a low potential for global warming, a low temperature glide, and a low potential for ozone depletion. In addition to these thermodynamic and environmental features, R452A blend is non-flammable, non-corrosive, and will not cause degradation of the metal parts of the refrigerating system's evaporator and compressor.