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Evaluation des performances d'un système frigorifique à absorption à monomethylamine-eau à énergie solaire pour le refroidissement du lait.

Performance evaluation of a monomethylamine-water solar absorption refrigeration system for milk cooling purposes.

Auteurs : PILATOWSKY I., RIVERA W., ROMERO J. R.

Type d'article : Article

Résumé

The study reports the applicability and the theoretical thermodynamic simulation of a solar driven monomethylamine-water single-stage absorption refrigeration cycle for milk cooling purposes in the rural regions of Mexico. A solar heating system using evacuated tube collectors coupled with a conventional auxiliary heating system is proposed. The simulation of the yearly dynamic behaviour of the solar system is carried out with the solar radiation and climate data of typical Mexican dairy farms in the semi-tropical regions. The theoretical COP present moderate values at relative low generator and high evaporator temperatures and low absorption and condenser temperature values. The use of the solution heat exchanger and the milk precooler improve the thermodynamic efficiency and reduces the solar heating load fraction.

Détails

  • Titre original : Performance evaluation of a monomethylamine-water solar absorption refrigeration system for milk cooling purposes.
  • Identifiant de la fiche : 2005-0161
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 24 - n. 7
  • Date d'édition : 05/2004

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