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Some Non-Azeotropic Refrigerant Mixtures (NARMs) have been identified as potential replacements for R12 because of their low ozone depletion potential, low global warming potential and promising thermodynamic characteristics which could improve cycle efficiency. A NARM experiences a variable temperature glide during a constant-pressure phase change process, making it a logical candidate for the two-temperature level cooling found in refrigerators. There are two fundamental thermodynamic benefits to using a NARM over a pure refrigerant: 1) mixture and air-temperature glides can be better matched to improve the system performance, and 2) lower refrigerant temperatures can be achieved through the use of intercooling with no decrease in evaporating pressure. The objective of this research was to investigate optimal pure refrigerant (R12 an...
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