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Transformateur de chaleur à sorption solide/vapeur : conception et performance.

Solid/vapour sorption heat transformer: design and performance.

Auteurs : HAIJE W. G., VELDHUIS J. B. J., SMEDING S. F., et al.

Type d'article : Article

Résumé

A high temperature high lift solid sorption based heat transformer has been successfully designed and tested. The sorption reactor concept is based on a tube-fin heat exchanger where the heat exchanging fluids can flow through the hollow fins. The plates were brazed together with porous metal foam that was impregnated with either of the sorbents, LiCl and MgCl2. The adsorbate is ammonia. The batch system was tested as to the power delivered at high temperatures, 150-200°C. Peak power at 200°C was about 0.8 kW, the average power about 0.4 kW. The thermal efficiency, COP, was calculated from the experimental results to be 0.11. This is only 40% of the expected theoretical value and can largely be attributed to the thermal mass of the reactor. [Reprinted with permission from Elsevier. Copyright, 2006].

Détails

  • Titre original : Solid/vapour sorption heat transformer: design and performance.
  • Identifiant de la fiche : 2008-0644
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 27 - n. 8-9
  • Date d'édition : 06/2007

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