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Développement d’un refroidisseur à absorption eau/LiBr avancé avec récupération de la chaleur de condensation pour des applications simultanées de refroidissement et de chauffage.

Development of advanced water/LiBr absorption chiller with condensation heat recovery for simultaneous cooling and heating applications.

Numéro : 2671

Auteurs : AYOU D. S., PRIETO J., CORONAS A.

Résumé

A prototype of an advanced single-stage water/LiBr absorption chiller with a design 
cooling capacity of 40 kW was developed. The prototype is designed to operate in a simultaneous 
cooling and heating mode of operation through the recovery of the heat of condensation. In this 
paper, the newly developed advanced chiller prototype, and the modified multifunctional test rig 
for the prototype characterization in different modes of operation are presented and discussed. 
The test rig is equipped with four external heat carrier loops needed to characterize and validate 
the prototype during the simultaneous cooling and heating operation. External and internal 
temperature sensors and volumetric flow rate measuring devices are installed in the prototype.
The design conditions of the advanced absorption chiller are chilled water inlet/outlet 
temperatures of 12/7 °C, driving hot water and cooling water (absorber external loop) inlet 
temperatures of 100 °C and 30 °C, respectively, and produced hot water inlet/outlet temperatures 
of 40/55 °C. The prototype also operates as a conventional absorption chiller to provide only 
cooling by rejecting the absorber and condenser heat to cooling water (heat rejection medium). 
Finally, the development of such type of absorption chillers improves overall performance and 
provides dual useful outputs (cooling and heating);

Documents disponibles

Format PDF

Pages : 6 p.

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

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

Détails

  • Titre original : Development of advanced water/LiBr absorption chiller with condensation heat recovery for simultaneous cooling and heating applications.
  • Identifiant de la fiche : 30033436
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 12th CYTEF Congress - Ibero-American Congress of Refrigeration Science and Technology.
  • Date d'édition : 26/06/2024
  • DOI : http://dx.doi.org/10.21134/79ayyz57

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