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Performance à charge partielle de compresseurs mono et bi-étagés : étude expérimentale comparative menée dans un refroidisseur au R410A.

Part load performance of single and two stage compressors – a comparative experimental study in a R410A chiller unit.

Numéro : B3-184

Auteurs : INAMPUDI S., BOTTICELLA F., ELBEL S.

Résumé

The rising cooling needs for the residential and commercial air conditioning sectors and the requirement of higher SEER values increased the focus on energy efficient part load performance. Although several studies exist on the topic of capacity modulation, there is no comprehensive study that compares different modulation strategies in the same experimental facility. In a first step, this paper aims to experimentally compare two different capacity controls for scroll compressors (single speed vs two stage compressor) using the same R410A water chiller having a nominal cooling capacity of 8kW. The tests were conducted according to AHRI Standard 551/591 (2018). The Integrated Part Load Value (IPLV.SI) was used to fairly compare all the different capacity modulation strategies. Based on the experimental results, differences on the order of 8% in IPLV.SI are found.

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Pages : 10

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Détails

  • Titre original : Part load performance of single and two stage compressors – a comparative experimental study in a R410A chiller unit.
  • Identifiant de la fiche : 30028761
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 12th International Conference on Compressors and their Systems
  • Date d'édition : 09/2021
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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