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Méthode numérique de prévision de la distribution de frigorigène lors d'une fuite à l'intérieur d'un espace intérieur et observation expérimentale de celle-ci.

Numerical method on predicting distribution of leaked refrigerant in indoor space and its experimental observation.

Numéro : pap. n. 494

Auteurs : HATTORI K., FUKUOKA M., MURATA M., et al.

Résumé

HFC refrigerant (R32) is an environmental-friendly refrigerant compared to the existing R410A refrigerant with only one third of the global warming potential (GWP), which is generally used in developed countries. Because R32 is a mild flammable refrigerant, safety assessments are necessary to ensure the safeness of R32 air-conditioner before launching it into the market. This study presents a novel simulation method to evaluate the flammable risk in case of R32 leakage from indoor air-conditioner. Precision of this method is verified by comparing the simulation results and the experimental observation using R32 loaded actual equipment. We focused on a residential floor mounted air-conditioner model which is considered to have a higher risk of fire compared to the other household models.

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Format PDF

Pages : 8 p.

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    20 €

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Détails

  • Titre original : Numerical method on predicting distribution of leaked refrigerant in indoor space and its experimental observation.
  • Identifiant de la fiche : 30015955
  • Langues : Anglais
  • Source : Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Date d'édition : 16/08/2015
  • DOI : http://dx.doi.org/10.18462/iir.icr.2015.0494

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