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

Number: pap. n. 494

Author(s) : HATTORI K., FUKUOKA M., MURATA M., et al.

Summary

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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Pages: 8 p.

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Details

  • Original title: Numerical method on predicting distribution of leaked refrigerant in indoor space and its experimental observation.
  • Record ID : 30015955
  • Languages: English
  • Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Publication date: 2015/08/16
  • DOI: http://dx.doi.org/10.18462/iir.icr.2015.0494

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