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Développements récents dans la conception d'un nouveau refroidisseur à absorption au H2O-LiBr refroidi à l'air et chauffé par de l'eau chaude.

Recent developments in the design of a new air-cooled, hot-water-driven H2O-LiBr absorption chiller.

Auteurs : CASTRO J., OLIVA A., PÉREZ-SEGARRA C. D., et al.

Résumé

This paper explains the up-to-date stage of development of an air-cooled H2O-LiBr absorption chiller. The methodology of development is based on the systematic application of advanced numerical and experimental techniques, taking into consideration economical criteria. In a previous development of a laboratory prototype of this concept of absorption chiller, two levels of mathematical modelling of different degree of detail, implemented for design/prediction purposes, were experimentally validated: (1) modelling of the absorption cycle, based on overall balances of mass and energy in the different elements; (2) modelling of the heat exchangers of the absorption cycle, that take into account the specific heat and mass transfer processes implied by means of semi-empirical models. The same models have been applied for a new preindustrial prototype.

Détails

  • Titre original : Recent developments in the design of a new air-cooled, hot-water-driven H2O-LiBr absorption chiller.
  • Identifiant de la fiche : 2009-1105
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2008 Winter Meeting, New York City, NY. Volume 114, part 1 + CD-ROM.
  • Date d'édition : 19/01/2008

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