COMPARATIVE ANALYSIS OF PERFORMANCE OF OZONE-FRIENDLY AND LOW GWP HFC REFRIGERANT IN A VAPOUR COMPRESSION REFRIGERATION CYCLE

Theoretical performance analysis on a vapour compression refrigeration system with R152a a potential replacement for the R134a was done and results obtained with both refrigerants were compared. Both the refrigerants have same zero ODP but the GWP of R152a is ten times lower than R134a.The results showed that the R152a have a slightly higher (3.769%) coefficient of performance (COP) than R134a for the condensation temperature of 51⁰C and three different evaporating temperatures. The effects of the main parameters of performance analysis such as Refrigerating Effect, Compressor Work, Power Per Ton of Refrigeration (PPTR) were investigated for various evaporating temperatures. The graphs plotted provide satisfactory explanations about the effect of various system variables on the performance of a vapour compression refrigeration system.