This paper presents a summary of the influence of addition of nanoparticles to refrigerants as nano-refrigerants and to lubricants as nano-lubricants on the performance of refrigeration systems. Most of studies reported that disperse nanoparticles into refrigerants and lubricating oils lead to improve a coefficient of performance, due to improvement of thermal physics properties of a pure fluid, which leads to reduced energy consumption. Using nanoparticles in a refrigeration system is associated with many difficulties such as the cost of preparing and obtaining a stable and homogeneous mixture for a longer time with less agglomeration and sedimentation. We prepared nanoparticles in an inexpensive and easy way and in a mixture of copper and cerium oxides for the first time. Some studies have reported on the use of copper oxide and its effect on improving the performance of refrigeration system, but cerium oxide has not been used in refrigeration systems and this research aims to open the door to this oxide to know its characteristics, also to verify the possibility of overcoming the previously mentioned problems.

vapor compression refrigeration system, thermophysical properties, coefficient of performance COP, nano-refrigerants, nano-lubricant.

Received: June 11, 2021; Accepted: September 14, 2021; Published: December 16, 2021

How to cite this article: HudaElslam A. S. Mohamed and Unal Camdali, Evaluation of a refrigeration system based on nano-refrigerants and nano-lubricant, International Journal of Materials Engineering and Technology 20(2) (2021), 93-111. DOI: 10.17654/MT020020093

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

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