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Caractéristiques de transfert de chaleur et de masse d'une pompe à chaleur à adsorption à charbon actif/ammoniac muni d'un adsorbeur à matelas dispersant.

Heat and mass transfer characteristics of active carbon/ammonia adsorption heat pump with a packed bed type adsorber.

Auteurs : LI J. F., FUJISAWA R., WATANABE F., et al.

Résumé

A multi adsorption heat pump (AHP) system consisted of an active carbon/ammonia AHP and another AHP such as a silica gel/water AHP was proposed for producing high level cold heat energy (253 K) by using waste heat with temperature below 373 K. Considering the performance of active carbon/ammonia AHP, detailed study of heat and mass transfer inside an active carbon packed bed was experimentally and theoretically investigated. Experimental data for adsorptivity profile, temperature and pressure changes in adsorber were evaluated in terms of heat and mass transfer numerical calculation. Subsequently, the effects of particle size and packed bed height on the adsorptivity distribution in adsorber were discussed.

Détails

  • Titre original : Heat and mass transfer characteristics of active carbon/ammonia adsorption heat pump with a packed bed type adsorber.
  • Identifiant de la fiche : 2006-2349
  • Langues : Anglais
  • Source : Green breeze from Asia: frontiers of refrigerants, heat transfer and system.. ACRA-2002. Proceedings of the Asian conference on refrigeration and air conditioning.
  • Date d'édition : 04/12/2002

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