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Document IIF

Équations pour la tension superficielle des frigorigènes halogénés à faible GWP dérivés des alcènes et leurs mélanges.

Equations for the surface tension of low GWP halogenated alkene refrigerants and their blends.

Auteurs : DI NICOLA G., COCCIA G., PIERANTOZZI M., et al.

Type d'article : Article, Article de la RIF

Résumé

In this paper, a literature survey of the available experimental surface tension data of both low global warming potential (GWP) refrigerants and binary systems containing low GWP refrigerants is provided. The experimental data were collected for 14 halogenated alkene refrigerants and 5 blends. The data were analyzed with the most reliable semi-empirical correlation models designed for pure refrigerants and blends, based on the corresponding states principle (CSP). Recent scaled correlations based on the CSP and developed for other kinds of fluids were re-fitted and tested, too. The coefficients of these equations were subdivided for ethylene derivative refrigerants, propylene derivative refrigerants and blends. The absolute average deviations (AADs) of the new re-fitted equation for the ethylene derivatives are in agreement with the AADs of the correlations existing in the literature, while the proposed equations for the propylene derivatives and the binary systems give a considerable improvement respect to existing relations.

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Format PDF

Pages : 410-421

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    20 €

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Détails

  • Titre original : Equations for the surface tension of low GWP halogenated alkene refrigerants and their blends.
  • Identifiant de la fiche : 30023167
  • Langues : Anglais
  • Sujet : Alternatives aux HFC
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
  • Date d'édition : 02/2018
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2017.11.023

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