Abstract
The need for and uses of thermodynamic and transport properties in the selection of working fluids for the vapor compression cycle and in equipment design are reviewed. A list of hydrogen-containing halocarbons, as well as their mixtures, is presented as alternatives to the environmentally harmful, fully halogenated chlorofluorocarbons. These fluids range from well-characterized, widely available refrigerants to materials available only by custom synthesis about which very little is known. Data priorities for these fluids are presented; most essential are critical point, vapor pressure, liquid density, ideal-gas heat capacity, and vapor p-V-T data. A critical need exists for these data on a number of candidate working fluids in order not to lose the opportunity to select the best set of future refrigerants.
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Formerly National Bureau of Standards
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McLinden, M.O., Didion, D.A. Thermophysical-property needs for the environmentally acceptable halocarbon refrigerants. Int J Thermophys 10, 563–576 (1989). https://doi.org/10.1007/BF00507979
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DOI: https://doi.org/10.1007/BF00507979