A generalized equation for the surface tension of refrigerants / Giovanni Di Nicola in International journal of refrigeration, Vol. 34 N° 4 (Juin 2011)  

Public ISBD [article]  inInternational journal of refrigeration > Vol. 34 N° 4 (Juin 2011) . - pp. 1098-1108 Titre : A generalized equation for the surface tension of refrigerants Titre original : Equation généralisée pour la tension superficielle des frigorigènes Type de document : texte imprimé Auteurs : Giovanni Di Nicola, Auteur ; Matteo Moglie, Auteur Année de publication : 2011 Article en page(s) : pp. 1098-1108 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Critical pressure temperature Refrigerant Surface tension Survey Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : This work presents a literature survey of the available data of the experimental surface tension data for refrigerants. The experimental data were collected for the following pure fluids: R11, R12, R13, R13B1, R14, R21, R22, R23, R32, R113, R114, R115, R123, R123a, R124, R125, R134, R134a, R141b, R143a, R152a, R218, R225ca, R225cb, R227ea, R236ea, R236fa, R245ca, R245fa, R365mfc, R846, and R1234yf. Experimental data were regressed with the most reliable semi-empirical correlating methods based on the corresponding state theory existing in the literature. To minimize the deviation between the predicted data and the experimental data and to find the optimal equation for data representation, a design of experiment procedure coupled with the Yates algorithm and the steepest ascent method was adopted. Finally, the influence of the dipole moment on the refrigerant surface tension prediction was discussed and a new equation to represent the surface tension of refrigerants was presented. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711000521 [article] A generalized equation for the surface tension of refrigerants = Equation généralisée pour la tension superficielle des frigorigènes [texte imprimé] / Giovanni Di Nicola, Auteur ; Matteo Moglie, Auteur . - 2011 . - pp. 1098-1108. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 34 N° 4 (Juin 2011) . - pp. 1098-1108 Mots-clés : Critical pressure temperature Refrigerant Surface tension Survey Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : This work presents a literature survey of the available data of the experimental surface tension data for refrigerants. The experimental data were collected for the following pure fluids: R11, R12, R13, R13B1, R14, R21, R22, R23, R32, R113, R114, R115, R123, R123a, R124, R125, R134, R134a, R141b, R143a, R152a, R218, R225ca, R225cb, R227ea, R236ea, R236fa, R245ca, R245fa, R365mfc, R846, and R1234yf. Experimental data were regressed with the most reliable semi-empirical correlating methods based on the corresponding state theory existing in the literature. To minimize the deviation between the predicted data and the experimental data and to find the optimal equation for data representation, a design of experiment procedure coupled with the Yates algorithm and the steepest ascent method was adopted. Finally, the influence of the dipole moment on the refrigerant surface tension prediction was discussed and a new equation to represent the surface tension of refrigerants was presented. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711000521

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