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IIR document

Experimental evaluation of low-GWP refrigerants R513A, R1234yf and R436A as alternatives for R134a in a cascade refrigeration cycle with R744.

• Author(s) : BLANCO OJEDA F. W. A., ALMEIDA QUEIROZ M. V. , MARCUCCI PICO D. F., DOS REIS PARISE J. A., BANDARRA FILHO E. P.
• Publication date: 2022/12
• Languages : English
• Keywords : Cascade system, Low GWP, TEWI, R744, R513A, R1234yf, R436a, R134a, Expérimentation, CO2 emission, Test room, Environment, Cooling capacity, COP
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 144
• Formats : PDF

IIR document

Hydrocarbons in heat pumps: An experimental investigation on the influence of an internal heat exchanger.

• Author(s) : HÖGES C., ROY P., NEUMANN K., VERING C., MÜLLER D.
• Publication date: 2024/08
• Languages : English
• Keywords : Heat pump, Hydrocarbon, Mixture, Low GWP, R290, R600a, R436a, Test rig, Performance, Energy efficiency
• Source: 16^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
• Formats : PDF

Recommended by the IIR / IIR document

Monobloc vs. split-design of heat pumps: fluid selection and thermodynamic analysis.

• Author(s) : HÖGES C., VENZIK V., MÜLLER D.
• Publication date: 2022/06/13
• Languages : English
• Keywords : Simulation, Hydrocarbon, HFO, Packaged unit, Split system, Thermodynamic cycle, Seasonal performance, R290, R1270, R436a, R454C, R1234yf, Refrigerant charge
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

IIR document

New package for generating refrigerant equations.

• Author(s) : SKOVRUP M. J., WRONSKI J., BREITHUTH F., SARATI M., ARNEMANN H., METRAL M., ZGLICZYNSKI M., FRIESS O.
• Publication date: 2021/09/01
• Languages : English
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

Energy efficiency enhancement of a domestic refrigerator using R436A and R600a as alternative refrigerants to R134a.

• Author(s) : RASTI M., AGHAMIRI S. F., HATAMIPOUR M. S.
• Publication date: 2013/12
• Languages : English
• Source: International Journal of thermal Sciences - vol. 74

IIR Member news - Solstice N41 (R466A), a new refrigerant from Honeywell

Focus on a brand new refrigerant Solstice N41 (or R466A) which could represent an interesting alternative to R410A in air conditioning.

• Publication date : 2018/08/08

Alternatives to replace R404A for refrigerated transport

With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...

• Publication date : 2020/09/04
• Subjects: HFCs alternatives

Air conditioning: which refrigerant will become the leading alternative to R410A?

R32 is being adopted widely for residential and small commercial air conditioning applications, but R466A, R452B and R454B are promising candidates, especially for larger size systems.

• Publication date : 2019/05/29
• Subjects: HFCs alternatives

Latest news on HFCs alternatives

R470A, R470B, R466: What applications and what features for these new non-flammable refrigerants?

• Publication date : 2019/12/30

Alternative refrigerants to high-GWP HFCs

Intensification of international regulations on HFCs such as the Kigali Agreement or the European F-Gas Regulation leads refrigerant manufacturers to search for alternatives to high-GWP HFCs. Focus on some alternatives to R410A and R23.

• Publication date : 2019/06/26
• Subjects: HFCs alternatives

Commercial refrigeration: marketing of R471A, a new alternative to R404A

Honeywell recently announced the marketing of R471A, a non-flammable refrigerant with a GWP under 150. It is expected to replace R404A in medium temperature commercial refrigeration...

• Publication date : 2022/02/28
• Subjects: HFCs alternatives

IJR highlights: review of low-GWP alternative refrigerants

In a recent review article based on over 60 published studies and published in the International Journal of Refrigeration, Chinese researchers have compared nearly 40 alternative low-GWP refrigerants in terms of...

• Publication date : 2021/06/28
• Subjects: HFCs alternatives

Air conditioning: towards a relaxation of the rules for the use of flammable refrigerants

While the European Commission is paving the way for the use of flammable refrigerants as an alternative for split systems, the current revision of the international standard IEC 60335-2-40 should allow higher...

• Publication date : 2020/10/22
• Subjects: HFCs alternatives

Consequences of the EU F-Gas Regulation: uncertainty on the future availability of R404A

Anyone installing equipment with R404A now will probably have to retrofit to a lower GWP refrigerant in the next few years.

• Publication date : 2015/04/20
• Subjects: Regulation

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : English, French
• Themes : HFCs