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Modélisation thermodynamique et validation expérimentale de refroidisseurs de liquide à vis.

Thermodynamic modelling and experimental validation of screw liquid chillers.

Auteurs : LEE T. S.

Résumé

This study presents an empirically based model, involving the first and second laws of thermodynamics and the NTU-epsilon method of heat exchanger, to predict the COP of screw liquid chillers under various operating conditions, especially for capacity control by return chilled water sensing. A series of experiments were performed to verify this model. The results of this work should be applied for the purposes of performance prediction, evaluation of energy-efficiency improvements, fault detection, and other diagnoses of screw liquid chillers.

Détails

  • Titre original : Thermodynamic modelling and experimental validation of screw liquid chillers.
  • Identifiant de la fiche : 2006-1914
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2004 Winter Meeting. Volume 110, part 1 + CD-ROM.
  • Date d'édition : 2004

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