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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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R450a and R513a as low-GWP substitutes of R-134a and R-507a in a medium temperature refrigeration system.
- Author(s) : LLOPIS R., NEBOT-ANDRÉS L., CATALÁN-GIL J., et al.
- Publication date: 2018/06/19
- Languages : English
- Keywords : R507a, R134a, Commercial application, Display cabinet, Drop-in, R513A, R450A, Supermarket, Performance, Testing
- 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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IIR document

Experimental analysis of R-450A and R-513A as replacements of R-134a and R-507A in a medium temperature commercial refrigeration system.
- Author(s) : LLOPIS R., SÁNCHEZ D., CABELLO R., et al.
- Publication date: 2017/12
- Languages : English
- Keywords : R507a, R134a, Comparison, Commercial application, Drop-in, R513A, R450A, Substitute, Performance, HFO, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
- Formats : PDF
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Aplicación practica en un nuevo equipo con el refrigerante R-442A para baja temperatura: conservación de productos congelados.

Practical application on new equipement with R-442A refrigerant for low temperature: frozen products preservation.
- Author(s) : CARRASCO J., GUTIÉRREZ F., TENA J.
- Publication date: 2014/04
- Languages : Spanish
- Keywords : R507, Frozen food, Performance, GWP, Refrigerant
- Source: Frío Calor Aire acondicionado - vol. 42 - n. 468
- Formats : PDF
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Entropic and statistical analysis of refrigeration cycles for “shock” freezing.

[In Russian. / En russe.]
- Author(s) : ARKHAROV A. M., SHISHOV V. V., SHAMSUTDINOV I. R., et al.
- Publication date: 2015
- Languages : Russian
- Keywords : Calculation, R507, Ammonia, R22, Statistics, Entropy, Thermodynamic cycle
- Source: Kholodilnaya Tekhnika - n. 11
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IIR document

Thermophysical properties of refrigerants (2014)
- Author(s) : IIF-IIR
- Publication date: 2014
- Languages : French, English
- Keywords : R22, R134a, R404A, R407C, R410A, R507, R717, R290, R600a, Refrigerant, Thermodynamic property
- Formats : PDF
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IIR document

Refrigerant boiling at low heat flux densities in vertical tubes with heat transfer enhancing fittings.
- Author(s) : NIEZGODA-ZELASKO B., ZELASKO J.
- Publication date: 2015/06
- Languages : English
- Keywords : R410A, R407C, Heat transfer coefficient, Vertical tube, Heat transfer, R507, Flux, Refrigerant, Boiling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 54
- Formats : PDF
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IIR document

A cryogenic visual apparatus for solid-liquid equilibrium and the measurement of CH₄ + C₂H₆.
- Author(s) : WANG X., ZHAO X., YIN W., ZHANG J., ZHAO Y., DONG X., GONG M.
- Publication date: 2023/09
- Languages : English
- Keywords : Cryogenics, Fluid, Mixture, R50, Methane, R170, Ethane, Equilibrium, Phase, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
- Formats : PDF
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IIR document

Experimental investigation on flow condensation of methane in a horizontal smooth tube.
- Author(s) : ZHUANG X. R., CHEN G. F., ZOU X., et al.
- Publication date: 2017/06
- Languages : English
- Keywords : Temperature difference, Heat transfer, R50, Expérimentation, Flow, Condensation, Pressure drop
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 78
- Formats : PDF
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IIR document

Experimental investigation on flow condensation of zeotropic mixtures of methane/ethane in a horizontal smooth tube.
- Author(s) : ZHUANG X. R., CHEN G. F., GUO H., et al.
- Publication date: 2018/01
- Languages : English
- Keywords : Heat transfer coefficient, Methane, R50, R170, Zeotropic mixture, Expérimentation, Ethane, Flow, Condensation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 85
- Formats : PDF
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Recommended by the IIR / IIR document

Diagnosis and baseline refrigerant use in the Colombian meat, dairy, and fruit and vegetable industries.
- Author(s) : PARDO MARTINEZ C. I., COTTE POVEDA A., TORRALBA BARRETO D. R.
- Publication date: 2021/11
- Languages : English
- Keywords : Review, R134a, Colombia, Survey, Refrigerant charge, Fruit, Dairy product, Meat, Vegetable, HFC, R22, R404A, R507, Regulations, Cold storage
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
- Formats : PDF
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IIR document

Comparing energy consumption and life cycle costs of industrial size refrigeration systems.
- Author(s) : LUND T., SKOVRUP M. J., HOLST M.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Industrial application, Energy consumption, Comparison, Calculation, R744, R717, R507, Ammonia, Two-stage system, Performance, Cascade system, Transcritical cycle, CO2
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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IIR document

Evaluation of R449A in field retrofits of R404A supermarket systems.
- Author(s) : MINOR B., GERSTEL J., ROBERTS N.
- Publication date: 2015/08/16
- Languages : English
- Keywords : R507a, Lubricant, R404A, Supermarket, Performance, Expérimentation, Refrigerant, Compatibility
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
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Direct vs indirect commercial refrigeration at medium temperature: energy analysis.
- Author(s) : LLOPIS R., CATALÁN-GIL J., NEBOT-ANDRÉS L., et al.
- Publication date: 2018/06/19
- Languages : English
- Keywords : R507a, R134a, Commercial application, Display cabinet, Supermarket, Performance, Indirect system
- 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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IIR document

Influence of equations of state and mixture models on the design of a refrigeration process.
- Author(s) : MICKOLEIT E., BREITKOPF C., JAGER A.
- Publication date: 2021/01
- Languages : English
- Keywords : Mixture, Fluid, Equation of state, COP, Air conditioning, R410A, R421a, R507a, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 121
- Formats : PDF
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See all results in the Fridoc database

Canada: Government intends to prohibit R134a in commercial refrigeration

A Notice of Intent was published by the Canadian Ministry of Environment indicating that the government is considering prohibition of the manufacture and import of high GWP refrigerants, including R134a, R507 series and R404A in certain commercial...
- Publication date : 2015/04/09
- Subjects: Regulation
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Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...
- Publication date : 2021/02/25
- Subjects: Technology, Environment
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Nanoe ™ X technology could inhibit COVID19 in air conditioners

Panasonic has developed an ionizer that inhibits certain pathogenic microorganisms (including viruses). Recent tests seem to demonstrate its effectiveness on COVID-19.
- Publication date : 2020/11/26
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Cold chain market in Brazil

Brazil has one of the lowest levels of market penetration for refrigerated warehouses at .09 cubic meters per urban resident.
- Publication date : 2016/06/23
- Subjects: Figures, economy
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Honeywell CFC destruction plan

Honeywell has begun destroying its inventories of CFCs and CFC blends: the company says it has already destroyed over 12 000 kg of R11.
- Publication date : 2012/06/21
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Underground storage of liquid CO2

Dispensing of CO2 by storing it underground usually implies placing it in aquifer rocks deep enough (-800 m) to achieve sufficient pressure to maintain the CO2 in a supercritical (fluid) phase. This approach has many shortcomings as in this form,...
- Publication date : 2006/11/15
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Valuable publications: Refrigeration and Air Conditioning

A new edition of Refrigeration and Air Conditioning, fully revised and updated by Guy Hundy was published in July 2008. This 392-page book is an introductory text and ideal for new entrants to the industry, particularly suited to students and...
- Publication date : 2009/05/18
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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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Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...
- Last update : 2023/11/07
- Langues : English, French
- Themes : Freezing of foodstuffs
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