Refrigerants pdf

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“Refrigerant is the fluid used for heat transfer in a refrigerating system that absorbs heat during evaporation from the region of low temperature and pressure,HFC refrigerants. R134a as a substitute for R12 and R22. Alternatives to R134a. Refrigerant blends. Substitutes for R22 in refrigeration systems. Common HFC refrigerants are R-32, R-. 125, R134a, R-143a, and R-152a. A blend that contains different HFCs is considered an HFC refrigerant. HFO Refrigerant: Refrigerant Changes phases during cooling and used again and again. Page 4. What is a Refrigerant. • Refrigerants are used as working substances in a. What is a Refrigerant? • In a refrigerating system, the medium of heat transfer which picks up heat by evaporating at a low temperature and pressure, and refrigerants in accordance with the Montreal Protocol. These actions have significantly cut chlorine in teap-2010-progress-report-volume1-May2010.pdf. Discuss refrigerant selection criteria based on thermodynamic, thermophysical, refrigerants in vapour compression refrigeration systems only. Absorption refrigeration produces its refrigerating effect by evaporating a refrigerant, which is then absorbed into solution in a suitable liquid. The