Experimental study on the pressure and the power input of a CO air conditioning system

The environmentally friendly refrigerants and high effectiveness heat exchangers are interesting topics for scientists. For natural refrigerants, the carbon dioxide (R744-CO ) is considered as a good candidate in order to replace HCFC (Hydrochlofluorocarbon) or HFC (Hydrofluorocarbon). Besides, the compact heat exchangers with high heat transfer efficiency would be used widely in the future
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