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Performance evaluation on R410A alternatives of R32, R452B, R447B.

• Author(s) : WANG L., HUANG X.
• Publication date: 2017/07/20
• Languages : English
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

IIR document

Heating performance comparison of R410A and its substitutions in air-to-water heat pumps with vapor injection.

• Author(s) : CHEN X., YANG J., LIU C., et al.
• Publication date: 2018/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

Recommended by the IIR / IIR document

Outdoor condensing units Handling the low-GWP refrigerants including R448A and R449A

• Author(s) : UCHIDA S., TSUNEKI Y., HORI M., HASEGAWA K., SUZUKI H.
• Publication date: 2021/06
• Languages : English
• Keywords : Condensing unit, COP, R448a, R449A, R410A, Low GWP, Design, Rotary compressor, Cold storage, HFO, Mixture
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

IIR document

Evaporation heat transfer of the low GWP alternative refrigerants (R-448A, R-449A, R-455A, R-454C) for R-404A in a microfin tube.

• Author(s) : KIM C. H., KIM N. H.
• Publication date: 2021/08
• Languages : English
• Keywords : Heat transfer, Evaporation, HFC, HFO, Low GWP, R448a, R449A, R455A, R454C, R404A, Microfin tube, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 128
• Formats : PDF

IIR document

Condensation heat transfer and pressure drop of low GWP R-404A alternative refrigerants (R-448A, R-449A, R-455A, R-454C) in a 5.6 mm inner diameter horizontal smooth tube.

• Author(s) : LEE B. M., GOOK H. H., LEE Y. W., PARK D. H., KIM N. H.
• Publication date: 2021/08
• Languages : English
• Keywords : Low GWP, Heat transfer, Pressure drop, R404A, R448a, R449A, R455A, R454C, Thermodynamic property, HFO, HFC
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 128
• Formats : PDF

IIR document

Condensation heat transfer and pressure drop of low GWP R-404A-alternative refrigerants (R-448A, R-449A, R-455A, R-454C) in a 7.0-mm outer-diameter horizontal microfin tube.

• Author(s) : KIM C. H., KIM N. H.
• Publication date: 2021/06
• Languages : English
• Keywords : HFC, Heat transfer coefficient, Pressure drop, Low GWP, R404A, Microfin tube, R448a, R449A, R455A, R454C, Expérimentation, Thermodynamic property
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 126
• Formats : PDF

Sustitución del R404A en un sistema de refrigeración de media y baja temperatura mediante ciclos de compresión paralela con el R-449A. 

Substitution of R404A in a medium and low temperature refrigeration system using parallel compression cycles with R-449A.

• Author(s) : MOTA BABILONI A., GIMÉNEZ-PRADES P., FERNANDEZ MORENO A., NAVARRO-ESBRÍ J.
• Publication date: 2022/04
• Languages : Spanish
• Keywords : R449A, R404A, Substitute, Refrigerating system, Low temperature, Modelling, Energy efficiency
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

IIR document

Low-GWP alternatives for an R-449A commercial refrigeration system.

• Author(s) : GIMÉNEZ-PRADES P., NAVARRO-ESBRÍ J., UDROIU C-M., MOTA BABILONI A.
• Publication date: 2024/06/11
• Languages : English
• Keywords : R449A, GWP, Flammability, R290, R1270, COP, Mixture, Energy efficiency
• Source: 8^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
• Formats : PDF

IIR document

Operation parameters of a walk-in cooler after retrofiting R404A with R448A.

• Author(s) : LOKIETEK T., WISNIK P.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Refrigerating system, Measurement, R448a, R404A, Expérimentation, Retrofitting, Reciprocating compressor
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

IIR document

Study of R-404A and R-448A refrigerants in low temperature refrigeration of electronics.

• Author(s) : DOUBEK M., VACEK V.
• Publication date: 2018/09
• Languages : English
• Keywords : R218, Electronics, Comparison, Low temperature, Cooling, R448a, R404A, HFO, Expérimentation
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Study of R-404A and R-448A refrigerants in low temperature refrigeration of electronics.

• Author(s) : DOUBEK M., VACEK V.
• Publication date: 2018/09
• Languages : English
• Keywords : R218, Electronics, Comparison, Low temperature, Cooling, R448a, R404A, HFO, Expérimentation
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Field measurements of a R404A low-temperature supermarket refrigeration system retrofitted with R449A.

• Author(s) : MAKHNATCH P., MOTA BABILONI A., KHODABANDEH R., et al.
• Publication date: 2018/04/06
• Languages : English
• Keywords : Refrigerant, Retrofitting, Expérimentation, Performance, Supermarket, R404A, R449A, Drop-in, Low temperature
• Source: 5^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
• Formats : PDF

IIR document

Retrofit of lower GWP alternative R449A into an existing R404A indirect supermarket refrigeration system.

• Author(s) : MAKHNATCH P., MOTA BABILONI A., ROGSTAM J., et al.
• Publication date: 2017/04
• Languages : English
• Keywords : Refrigerating system, R449A, Supermarket, R404A, Performance, Expérimentation, Energy saving, Retrofitting
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• Formats : PDF

IIR document

Energy efficiency and system performance of R-454C, R-449A, and R-744 in food retail refrigeration systems: a comparison.

• Author(s) : FERRETTO W., MOLINAROLI L., CODELLA F., CHRISTMANN J. M.
• Publication date: 2024/06/11
• Languages : English
• Keywords : R449A, R454C, R744, Store, HFO, Energy efficiency
• Source: 8^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
• Formats : PDF

IIR document

Energetic efficiency of cooling circuit depending on the charge of the previous and new alternative refrigerant.

• Author(s) : ŠUSTEK J., TOMLEIN P.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Superheat, R404A, R448a, R449A, Refrigerant charge, Energy efficiency, Measurement, GWP, Subcooling
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

R410A/R22 alternatives for AC in high-ambient temperature environments: R32 and R290

The final US Oak Ridge National Laboratory report – presented during MOP27 in Dubaï – compares the performance of low-GWP alternative refrigerants to HFC R410A in mini-split air conditioners (ACs) under high-ambient-temperature conditions.

• Publication date : 2016/05/11

Purdue highlights: R410A “drop-ins”performance

According to a paper presented at Purdue in July 2016, two new “drop-in” alternatives to R410A are said to have exhibited very similar performance in experimental tests. This paper will be available in Fridoc in te near future.

• Publication date : 2016/09/07

The US Environmental Protection Agency (EPA) updates its list of low GWP refrigerants

The US EPA has added new lower GWP refrigerants and expanded the acceptable uses of others in its latest changes to the Significant New Alternatives Policy (SNAP) programme.

• Publication date : 2017/08/24
• Subjects: HFCs alternatives, Environment

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