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Use of condensate drain to pre-cool the inlet air to the condensers: a technique to improve the performance of split air-conditioning units.

Utilisation d'une évacuation de condensat pour prérefroidir l'air entrant dans les condenseurs : une technique pour améliorer la performance des systèmes de conditionnement d'air split.

Auteurs : SAWAN R., GHALI K., HINDI M. al-

Type d'article : Article

Résumé

In hot ambient conditions, split air-conditioning (AC) systems experience a drop in their coefficient of performance and an increase in power consumption due to the direct relationship between the condensation temperature of the unit and the prevailing ambient temperature. In this work, the enhancement in the COP and the reduction in power consumption for a split AC unit are evaluated when a direct water spray evaporative cooling system is used. The study focuses on minimizing the amount of water needed to cool the condenser by utilizing the wasted water from the condensate drain, synchronizing the water injection with ON–OFF compressor operation, and determining the optimal hourly periods for the injection system to achieve a reduction in energy consumption.

Détails

  • Titre original : Use of condensate drain to pre-cool the inlet air to the condensers: a technique to improve the performance of split air-conditioning units.
  • Identifiant de la fiche : 30004849
  • Langues : Anglais
  • Source : HVAC&R Research - vol. 18 - n. 3
  • Date d'édition : 06/2012
  • DOI : http://dx.doi.org/10.1080/10789669.2012.619395

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