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Composants des microcanaux pour les systèmes de conditionnement d'air à absorption.

Microchannel components for absorption space-conditioning systems.

Auteurs : GARIMELLA S.

Résumé

The paper presents the development of a miniaturization technology for heat and mass exchangers used in absorption heat pumps. Short lengths of microchannel tubes are placed in a square array, with several such arrays being stacked vertically. Successive tube arrays are oriented in a transverse orientation perpendicular to the tubes in adjacent levels. In an absorber application, the liquid solution flows in the falling-film mode countercurrent to the coolant through the tube rows. Vapour flows upward through the lattice formed by the tube banks, countercurrent to the falling solution. A preliminary model of the absorption process for ammonia-water demonstrates the potential for extremely small absorption system components. The technology is suitable for almost all absorption heat pump components.

Détails

  • Titre original : Microchannel components for absorption space-conditioning systems.
  • Identifiant de la fiche : 2001-0764
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2000 Winter Meeting, Dallas, Texas + CD-ROM.
  • Date d'édition : 2000
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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