Boiling heat transfer is imperative in the refrigeration and air conditioning systems. R22 is the mostly widely used alternative refrigerant in refrigeration equipment such as domestic refrigerators and air conditioners. Though the global warming up potential of R22is relatively high, it is affirmed that it is a long alternative refrigerant in lots of countries. By addition of nano particles to the refrigerant results in improvements in the thermo-physical properties and heat transfer characteristics of the refrigerant, thereby improving the performance of the refrigeration system. The results indicate that cuo nano refrigerant works normally and safely in the refrigeration system.. The results indicate that heat transfer coefficient increases with the usage of nanocuo. Thus using cuo nano refrigerant in refrigeration system is found to be feasible. Objective of this project is to study the pre and post effects of addition of NRs in refrigeration and to predict COP and power consumption reduction.
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