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Formulation permettant le calcul des propriétés thermodynamiques des solutions de LiBr-H2O pour une plage allant de 273 à 500 K et une gamme complète de compositions.

A computationally effective formulation of the thermodynamic properties of LiBr-H2O solutions from 273 to 500 K over full composition range.

Auteurs : PÁTEK J., KLOMFAR J.

Type d'article : Article, Article de la RIF

Résumé

A set of computationally efficient formulations of thermodynamic properties of LiBr-H2O solutions at vapour-liquid equilibrium is presented in the form of explicit separate functions of temperature and mixture composition. The set includes pressure, density, isobaric heat capacity, enthalpy, and entropy. The description of these properties is valid from 273 K or from the crystallization line up to 500 K in temperatures and for mixture composition from 0 to 75 wt% of LiBr in the solution. The equations are based upon a body of experimental data that have been critically assessed. Gaps in the database are shown to give experimental orientation for future research. The structure of the equations guarantees an explicit transition to the properties of pure water for lithium bromide concentration approaching zero. Values of the particular properties generated by the representative equations are provided to assist with the confirmation of computer implementation of the calculation procedure.

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Format PDF

Pages : 566-578

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    20 €

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Détails

  • Titre original : A computationally effective formulation of the thermodynamic properties of LiBr-H2O solutions from 273 to 500 K over full composition range.
  • Identifiant de la fiche : 2006-1750
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 4
  • Date d'édition : 06/2006

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