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Étude d'une stratégie efficace sur le plan énergétique pour les systèmes de conditionnement d'air à détente directe refroidis à l'air.

Investigation of energy-efficient strategy for direct expansion air-cooled air conditioning systems.

Auteurs : VAKILOROAYA V., SAMALI B., PISHGHADAM K.

Type d'article : Article

Résumé

This paper addresses the energy saving significance of air-cooled direct expansion (DX) air conditioning systems using liquid pressure amplification (LPA) technology along with proposed theoretical–empirical models for the system components. This method utilizes a refrigerant pump in the liquid line to allow the system operation at lower condensing pressure. An actual DX rooftop package is used for data collection. The performance of the proposed method is simulated using transient simulation software. Simulation tool was validated by comparing predicted and measured power consumption of the rooftop package. Results show that up to 42% power savings can be obtained using this approach.

Détails

  • Titre original : Investigation of energy-efficient strategy for direct expansion air-cooled air conditioning systems.
  • Identifiant de la fiche : 30011586
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 66 - n. 1-2
  • Date d'édition : 05/2014
  • DOI : http://dx.doi.org/10.1016/j.applthermaleng.2014.02.011

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