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IIR document

An improved approach to model compressors, condenser/gas cooler and their control system in refrigeration systems with R404A and R744 based on physical principles.
- Author(s) : SACASAS D., VEGA J., CUEVAS C., BORRAJO R.
- Publication date: 2023/09
- Languages :
- Keywords : Supermarket, R744, R404A, Booster, Compressor, Condenser, Gas cooler, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
- Formats : PDF
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Gro?e Auswahl, wenig Alternativen? Ersatzkältemittel für R404A-Kältesysteme in Supermärkten.

Many choices, few alternatives? Alternative refrigerants for R404A systems in supermarkets.
- Author(s) : STAHL M.
- Publication date: 2016/03
- Languages : German
- Keywords : Regulations, R134a, R744, R407e, R407a, R404A, Supermarket, Substitute, GWP, Refrigerant, CO2
- Source: CCI Zeitung - vol. 50 - n. 3
- Formats : PDF
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IIR document

Experimental investigation on condensation heat transfer of R404A and R407C outside horizontal enhanced tubes.
- Author(s) : LIU C., OUYANG X.
- Publication date: 2015/08/16
- Languages : English
- Keywords : R407C, Horizontal tube, Heat transfer, R404A, Expérimentation, Refrigerant, Condensation
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
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IIR document

R-407H as drop-in of R-404A. Experimental analysis in a low temperature direct expansion commercial refrigeration system.
- Author(s) : LLOPIS R., SÁNCHEZ D., CABELLO R., et al.
- Publication date: 2017/08
- Languages : English
- Keywords : Commercial application, Low GWP, Drop-in, R407h, R404A, Supermarket, HFC, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 80
- Formats : PDF
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Estudio de campo para comparar 4 refrigerantes en la misma instalación R507, R407A, R407F, R442A, para baja temperatura de evaporación (-30°C).

Field study to compare four refrigerants R507, R407A, R407F, R442A in the same low-temperature (-30°C) evaporation installation.
- Author(s) : CARRASCO J., GUTIERREZ F., TENA J.
- Publication date: 2014/03
- Languages : Spanish
- Keywords : Refrigerating system, Comparison, Low temperature, R507, R407a, Mixture, Evaporation, Refrigerant
- Source: Frío Calor Aire acondicionado - n. 467
- Formats : PDF
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IIR document

Retrofitting of R404a commercial refrigeration systems using R410a and R407f refrigerants.
- Author(s) : BARTOLINI M., GAMBERI M., GAMBERINI R., et al.
- Publication date: 2015/07
- Languages : English
- Keywords : Refrigerating system, R410A, Commercial application, R404A, GWP, Retrofitting
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 55
- Formats : PDF
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Laboratory evaluation of R407H for commercial refrigeration.
- Author(s) : RYDKIN I., OHKUBO S., ARIMOTO H., et al.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Comparison, Commercial application, R407h, R404A, Substitute, Performance, Mixture, HFC
- Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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IIR document

The evaluation of low GWP non-flammable refrigerant R407H for refrigeration as R404A alternative.
- Author(s) : OHKUBO S., ARIMOTO H., KOMATSU Y.
- Publication date: 2018/04/06
- Languages : English
- Keywords : Low GWP, R407h, Supermarket, Substitute, Simulation, Refrigerant
- Source: 5^thIIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
- Formats : PDF
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F-Gases EU Regulation: R404A replacement refrigerants – compressor manufacturer experience.
- Author(s) : ZGLICZYNSKI M., SEDLIAK J.
- Publication date: 2015/06/12
- Languages : English
- Keywords : Regulations, Commercial application, R407a, R404A, Substitute, Testing, Refrigerant, Hermetic compressor
- Source: Le ultime tecnologie del freddo e del condizionamento. Atti del 16° Convegno Europeo: June 12-13, 2015, Milano, Italia.
- Formats : PDF
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Mezclas HFC/HFO para sustituir al R404A en refrigeración comercial.

HFC/HFO mixtures to substitute R404a in commercial refrigeration.
- Author(s) : MOTA BABILONI A., BARRAGÁN-CERVERA A., NAVARRO-ESBRÍ J., et al.
- Publication date: 2016/05/03
- Languages : Spanish
- Keywords : Refrigerating system, Commercial application, R404A, Mixture, GWP, Energy efficiency, Refrigerant
- Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
- Formats : PDF
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Scambio termico di miscele refrigenranti a basso GWP come possibili alternative a R404A.

Heat exchange of low GWP refrigerant mixtures as a possible alternative to R404A.
- Author(s) : ZILIO C., BRIGNOLI R.
- Publication date: 2015/06
- Languages : Italian
- Keywords : Heat transfer, R404A, Substitute, Mixture, GWP, Refrigerant
- Source: Industria & Formazione - vol. 39 - n.390
- Formats : PDF
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Ensayos de nuevas alternativas de bajo GWP al R-404A para refrigeración comercial.

Tests for new low-GWP R-404A alternatives in commercial cooling.
- Author(s) : MINOR B., GERSTEL J.
- Publication date: 2014/09
- Languages : Spanish
- Keywords : Refrigerating system, Commercial application, R404A, Substitute, GWP, Testing, Refrigerant
- Source: Frío Calor Aire acondicionado - vol. 42 - n. 472
- Formats : PDF
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Prestazioni impiaoto frigorifero di un supermercato, con R-449A in confronto al R-404A.

Results from supermarket refrigerating system trial with R-449A in comparison with R-404A.
- Author(s) : GERSTEL J.
- Publication date: 2015/08
- Languages : Italian
- Keywords : R404A, Supermarket, HFO, GWP, Energy efficiency, Refrigerant
- Source: Industria & Formazione - vol. 39 - n. 392
- Formats : PDF
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Análisis teórico de sustitutos de bajo PCA en R404A para islas de refrigeración.

Theoretical analysis of R404A substitutes with low GWP for cooling islands.
- Author(s) : NAVARRO-ESBRÍ J., MOTA BABILONI A., HARO ORTUNO J., et al.
- Publication date: 2018/06/19
- Languages : Spanish
- Keywords : Refrigerant, COP, HFC, HFO, Simulation, Substitute, Supermarket, R404A, , , Low GWP, R454C
- Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
- Formats : PDF
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Análisis de R-452A como alternativa al R-404A en sistemas de compresión de vapor.

Analysis of R-452A as an alternative to R-404A in vapour compression systems.
- Author(s) : MOTA BABILONI A., NAVARRO-ESBRÍ J., BARRAGÁN-CERVERA A., GOMEZ MACIAN C., MOLES RIBERA F., MATEU-ROYO C.
- Publication date: 2020/11/11
- Languages : Spanish
- Keywords : Refrigerant, Compression system, Expérimentation, R404A, R452A, Substitute, COP
- Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
- Formats : PDF
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See all results in the Fridoc database

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
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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
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Gas leak detection technologies

Bacharach, a manufacturer of refrigerant and gas leak detectors, recently extended its gas detectors by two HFOs. The company also produces leak detectors for CO2 systems.
- Publication date : 2018/01/16
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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
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