A Review: Increase in Performance of Vapour Compression Refrigeration System Using Fan

Shireesha Mary Ch, Nandini Ch, Divya Samala, Siva Kumar B, Parthasarathy Garre

Refrigeration is the process of removing heat from a closed body or space enclosed so that its temperature is first lowered and then maintained at a required level which is below the temperature of surroundings. There are many types in refrigeration cycle the vapour compression cycle is taken for the case study, because the vapour compression refrigeration system is by far the most popular and widely used system in refrigeration for both industrial and domestic applications. In vapour compression refrigeration system a refrigerant readily evaporates and condenses depending up on the pressure and temperature during the cycle, therefore, refrigerant undergoes a change of phase alternately between liquid and vapour phase without leaving the system. In this case several assumptions were made in order to analyze the system, like isentropic process at the compressor, a isenthalpic expansion in the throttling valve. It is found that this may have been because at higher fan speed, convection coefficient increased, increasing heat transfer in the evaporator and condenser with the surroundings, thus reducing the work of the compressor to the refrigerant. Vapor compression cycle was more efficient with fans of evaporator and condenser at highest speeds.