Partager

Système frigorifique biétagé thermique à compression/à adsorption au charbon actif et au HFC-134a utilisant des sources d'énergie thermique à basse température.

Activated carbon + HFC-134a based two-stage thermal compression/adsorption refrigeration using low grade thermal energy sources.

Auteurs : BANKER N. D., PRASAD M., DUTTA P., et al.

Type d'article : Article

Résumé

A thermodynamic analysis is presented for the two-stage thermal compression process for an adsorption refrigeration cycle with HFC-134a as the working fluid and activated carbon as the adsorbent. Three specimens of varying achievable packing densities were evaluated. The influence of evaporating, condensing/adsorption and desorption temperatures was assessed through three performance indicators, namely, the uptake efficiency, the coefficient of performance and the exergetic efficiency. Conditions under which a two-stage thermal compression process performs better than the single stage unit are identified. It is concluded that two stage thermal compression will be a viable proposition when the heat source temperature is low or when adsorption characteristics are weak or when adequate packing densities are difficult to realize. [Reprinted with permission from Elsevier. Copyright, 2008].

Détails

  • Titre original : Activated carbon + HFC-134a based two-stage thermal compression/adsorption refrigeration using low grade thermal energy sources.
  • Identifiant de la fiche : 2009-2033
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 29 - n. 11-12
  • Date d'édition : 08/2009
  • DOI : http://dx.doi.org/10.1016/j.applthermaleng.2008.11.006

Liens


Voir d'autres articles du même numéro (12)
Voir la source

Indexation