The Status of Thermodynamic Data and Models for CF₃I and its Mixtures ^⋆

There is a renewed interest in the use of the refrigerant CF₃I for refrigeration and air-conditioning applications, driven by its low global warming potential (similar to that of CO₂), low (but nonzero) ozone depletion potential, and its ability to suppress flammability. In this paper the existing thermodynamic data for this fluid are summarized. Furthermore, as CF₃I has been proposed as a component in mixtures with other refrigerants, the emphasis of this paper is on the survey of existing mixture data and an assessment of the suitability of existing thermodynamic modeling approaches and estimation schemes to model the properties of these mixtures. For mixtures where sufficient data exist, interaction parameters have been optimized.