Theoretical study and performance of vapour refrigeration system along with additive of zro2

The objective of work is ZrO2 nano-oil was planned as a hopeful lubricant to
improve the behavior of VCR system. The ZrO2 nanoparticles stability in the oil
was tested. It is established the nanoparticles are steadily balanced in the mineral
oil at a fixed situation for more period of time. The nano-oil with specific
concentration such as 0.15%, 0.2% and 0.35 % in volume fraction was added in
the system compressor. The VCR system was performed with the nanoparticles
and investigates by by means of energy consumption test. The reading shows COP
of experimental systems were superior by 5.65%, 7.15% & 10.95%, respectively.