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Cycles frigorifiques à air : régulation de l'humidité à l'aide d'un déshydratant.

Desiccant-assisted humidity control for air refrigeration cycles.

Auteurs : NÓBREGA C. E. L., SPHAIER L. A.

Type d'article : Article, Article de la RIF

Résumé

A desiccant-assisted Brayton cooling cycle as an option for controlling humidity in air refrigeration cycles has been proposed. The modified cycle integrates a desiccant cooling cycle into an ordinary reversed Brayton cycle, using the heat rejection from the Brayton portion to drive the desiccant cooling portion, by applying a heat exchanger between the two cycles. Conversely, the cooling effect produced by the desiccant cycle is used to pre-cool the Brayton air stream, before it is admitted to the turbine. A mathematical model for the proposed cycle is developed, and its dynamic behavior is computationally simulated. The results show that the desiccant-assisted cycle can provide an effective humidity control, in addition to augmenting the cooling capacity of the cycle.

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Format PDF

Pages : 1183-1190

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  • Prix public

    20 €

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    Gratuit

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Détails

  • Titre original : Desiccant-assisted humidity control for air refrigeration cycles.
  • Identifiant de la fiche : 30008070
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 4
  • Date d'édition : 06/2013

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