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Study on method ensuring safety of built-in refrigerated display cabinet using R290.

Number: pap. n. 337

Author(s) : YAMASHITA K., SAKAMOTO Y., KATO T., et al.

Summary

In Japan, from 2011 to 2016, risk assessment of each type of equipment using A2L refrigerant was carried out and JRAIA standard which prescribed safe operating method was created, resulting in the relaxation of law was realized. In order to respond to demand in recent years to further lower GWP, risk assessment of built-in refrigerated display cabinet using R290 was carried out. CFD analyses on refrigerant leakage from inside or outside the refrigerated space of each type of refrigerated display cabinet was carried out, flammable volume was calculated, potential ignition sources were investigated, and ignition probability was calculated. Risk assessments were carried out at each stage of transportation, storage, installation, usage, service, and disposal. In this paper, the contents of the study and the safety operation method created as a result are summarized.

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Pages: 8

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Details

  • Original title: Study on method ensuring safety of built-in refrigerated display cabinet using R290.
  • Record ID : 30026407
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0337

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