Experimental study of new refrigerant mixtures to replace R12 in domestic refrigerators

B. Tashtoush, M. Tahat, M. A. Shudeifat

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An experimental study on the replacement of R12 in domestic refrigerators by new hydrocarbon/hydrofluorocarbon refrigerant mixtures has been carried out. Parameters and factors, affecting the performance characteristics of these refrigerants, based on experimental data have been compared to those of R 12. The results show that butane/propane/R 134a mixtures provide excellent performance parameters, such as coefficient of performance of refrigerator, compression power, volumetric efficiency, condenser duty, compressor discharge pressure and temperature, relative to a 210 g charge of R 12. In addition, the results support the possibility of using butane/propane/R 134a mixtures as an alternative to R 12 in domestic refrigerators, without the necessity of changing the compressor lubricating oil used with R 12.

Original languageBritish English
Pages (from-to)495-506
Number of pages12
JournalApplied Thermal Engineering
Issue number5
StatePublished - Apr 2002


  • Domestic refrigeration
  • Propane/butane mixtures
  • Refrigerants


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