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Needs of thermodynamic properties measurements and modeling in the frame of new regulations on refrigerants

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Abstract

In 1987, the Montreal Protocol prohibited the worldwide use and production of chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) and hydro fluorocarbons (HFCs) were proposed as alternative refrigerants. Unfortunately, HFCs have non negligible global warning potential and therefore new refrigerants must be proposed or old refrigerants must be used associated with HFC. Accurate experimental thermodynamic data and predictive techniques are required for better understanding of the performance of the newly proposed refrigerants. In this communication, experimental techniques based on either analytic or synthetic methods are first described. Data are reported. Then two newly developed predictive models based on thermodynamic approach with the isofugacity criterion and artificial neural network method are presented. The results can provide better evaluation of refrigerants, especially with the aim of studying global warning effects.

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  1. School of Mines of Paris, CEP/TEP, CNRS FRE 2861, 35, rue Saint Honoré, Fontainebleau, 77305, France

    Coquelet Christophe & Richon Dominique

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  1. Coquelet Christophe
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  2. Richon Dominique
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Coquelet, C., Richon, D. Needs of thermodynamic properties measurements and modeling in the frame of new regulations on refrigerants. J. Zhejiang Univ. - Sci. A 8, 724–733 (2007). https://doi.org/10.1631/jzus.2007.A0724

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  • DOI: https://doi.org/10.1631/jzus.2007.A0724

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