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Méthodologie de la directive 38 de l'ASHRAE pour tester la compatibilité du frigorigène R473A avec des matériaux de construction de systèmes frigorifiques.

ASHRAE Guideline 38 methodology material compatibility testing of R-473A

Numéro : 2440

Auteurs : AL-RUBAAY R., SEETON C., LOW R., SAXENA I.

Résumé

The development of non-flammable refrigerants with a lower global warming potential (GWP) for ultra-low temperature refrigeration is desired because existing refrigerants used in this application range have very high GWP. A new blend refrigerant R-473A has been developed by Koura, which offers high energy efficiency and low global warming potential (GWP), resulting in low overall environmental impact. It has been classified by ASHRAE as an A1 refrigerant. The material compatibility and reactivity of this refrigerant has been studied with lubricants that are commonly used in this application with R-23 refrigerants. In this paper, ASHRAE Guideline 38 methodology for (R-473A) materials compatibility test of select metals and rubbers been evaluated by using various commercially available POE and PAG lubricants. Results will be reported and compared with those obtained using R-23 as a reference refrigerant.

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Pages : 8 p.

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Détails

  • Titre original : ASHRAE Guideline 38 methodology material compatibility testing of R-473A
  • Identifiant de la fiche : 30030728
  • Langues : Anglais
  • Sujet : Alternatives aux HFC
  • Source : 2022 Purdue Conferences. 19th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Date d'édition : 2022

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