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Mesures d’équilibre vapeur-liquide et évaluations du système à fluoréthane + N, N-diméthylformamide et fluoroéthane + diméthyléther diéthylène glycol pour le cycle frigorifique hybride.

Vapor-liquid equilibrium measurements and assessments of fluoroethane + N,N-dimethylformamide and fluoroethane + dimethylether diethylene glycol systems for the hybrid refrigeration cycle.

Auteurs : DENG R., JING X., ZHENG D., et al.

Type d'article : Article, Article de la RIF

Résumé

This study aimed to develop novel working pairs for the hybrid refrigeration cycle. To this end, the vapor-liquid equilibrium data of fluoroethane (R161) + N,N-dimethylformamide (DMF) and R161 + dimethylether diethylene glycol (DMEDEG) systems were obtained from 293.15 K to 353.15 K. Experimental data were correlated using the nonrandom two-liquid (NRTL) activity coefficient model. The average relative pressure deviations are 1.33% and 1.45%, and the maximum relative pressure deviations are 3.68% and 3.90%, respectively. Experimental results show that the two binary mixtures exhibit negative deviations from Raoult’s law. Finally, the performance of R161 + DMF, R161 + DMEDEG, and R134a + DMF systems were simulated and evaluated based on the hybrid refrigeration cycle. Results show that both R161 + DMF and R161 + DMEDEG systems are potential working pairs for the hybrid refrigeration cycle, and the R161 + DMEDEG system is better.

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Format PDF

Pages : 176-186

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Vapor-liquid equilibrium measurements and assessments of fluoroethane + N,N-dimethylformamide and fluoroethane + dimethylether diethylene glycol systems for the hybrid refrigeration cycle.
  • Identifiant de la fiche : 30011677
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 43
  • Date d'édition : 07/2014

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