This study optimizes refrigeration process parameters for a new refrigerant
mixture. Grey relational analysis has been used to find the best process
parameters that lead to a higher Coefficient of Performance and lower
Compressor discharge temperature, lower Compressor Power, and lower Mass
flow rate. A mixture of R152a-R290-R600-R600a is proposed as a refrigerant.
The predicted results have been checked with confirmation tests. The results
of the confirmation test are the same as the results that were predicted.