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IIR document

Molecular simulation for liquid vapour equilibria of ethylene,R1132a, R1132(E) and R1123.

• Author(s) : KONDOU C., OKUMURA T., MIURA T., LIU Y.
• Publication date: 2021/06
• Languages : English
• Keywords : Simulation, Ethylene, R1132a, R1132(E), , Equilibrium, Surface tension, Saturation, Pressure, Thermodynamic property, Liquid-vapour
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

IIR document

Vapor-liquid equilibrium of binary refrigerant blends of R1132(E) + R1234yf and R1132(E) + R32.

• Author(s) : ISHIMARU H., KITABATAKE K., SAKODA N., HIGASHI Y.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Equilibrium, HFO, R1132(E), Equation of state, Binary mixture, Expérimentation, R1234yf, R32, Thermodynamic property, Calculation
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Measurements of PvT properties, saturated densities, and critical parameters of R1132(E).

• Author(s) : SAKODA N., PERERA U., THU K., HIGASHI H.
• Publication date: 2022/08
• Languages : English
• Keywords : R1132(E), Pressure, Volume, Temperature, Measurement, Critical state, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 140
• Formats : PDF

IIR document

Measurements of saturation pressures for the novel refrigerant R1132(E).

• Author(s) : PERERA U., SAKODA N., MIYAZAKI T., THU K., HIGASHI Y.
• Publication date: 2022/03
• Languages : English
• Keywords : Air conditioning, Thermodynamic property, HFO, Low GWP, Saturation, Vapour pressure, Critical pressure, R1132(E), Expérimentation, Substitute
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 135
• Formats : PDF

IIR document

Compressor durability evaluation with the R-1132(E) based refrigerant R-474 for high-efficient and high-performant BEV heat pump systems based on R-1132(E).

• Author(s) : MACRI C., FLOHR F., LEON A. de, NEGISHI Y., NAKAUE T., AJIOKA S.
• Publication date: 2024/09
• Languages : English
• Keywords : R474A, R1234yf, Sustainability, Testing, R1132(E), Compressor, Heat pump
• Source: 11^th IIR Conference on Compressors and Refrigerants.
• Formats : PDF

IIR document

PVT Properties, Saturated Densities, and Critical Parameters of trans-1,2-Difluoroethene (R1132(E)) + 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf).

• Author(s) : SAKODA N., HIGASHI Y.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Mixture, Critical density, R1132(E), R1234yf, Expérimentation, Equation of state, Thermodynamic property, Critical pressure, Critical temperature, Critical point, HFO, Low GWP
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Study of decomposition of R-1132(E) as ultra-low GWP refrigerants.

• Author(s) : GOTO T., USUI T., YOSHIMURA T., YAMADA Y.
• Publication date: 2024/07
• Languages : English
• Keywords : R1132(E), Low GWP, Expérimentation, R1234yf, R474A, Ternary mixture, R32, Air conditioner, Testing, Thermodynamic property
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 163
• Formats : PDF

IIR document

Thermodynamic properties of trifluoroethene (R1123): (p, ρ, T) behavior and fundamental equation of state.

• Author(s) : AKASAKA R., HIGASHI Y., SAKODA N., FUKUDA S., LEMMON E. W.
• Publication date: 2020/11
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 119
• Formats : PDF

Optimización experimental de presiones de trabajo de un ciclo de autocascada R600a/R1150 para aplicaciones de ultra-baja temperatura. 

Experimental optimisation of working pressures of a R600a/R1150 autocascade cycle for ultra-low temperature applications.

• Author(s) : ANGELES M. M., NEBOT-ANDRÉS L., CALLEJA-ANTA D., LLOPIS R.
• Publication date: 2024/06/26
• Languages : Spanish
• Keywords : Low temperature, Operation, Hydrocarbon, R600a, R1150, Optimization, Energy consumption, Heat exchanger
• Source: 12^th CYTEF Congress - Ibero-American Congress of Refrigeration Science and Technology.
• Formats : PDF

Measurements of thermodynamic properties for R1123 and R1123+R32 mixture.

• Author(s) : HIGASHI Y., AKASAKA R.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

A new ISO 17584 standard equation of state for 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf) and its modification for trans-1,2-Difluoroethene [R1132(E)].

• Author(s) : AKASAKA R., LEMMON E. W.
• Publication date: 2021/06
• Languages : English
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

Recommended by the IIR / IIR document

Measurement of the vapor–liquid equilibrium properties of the binary low GWP refrigerant R32/R1123.

• Author(s) : MIYAMOTO H., SAITO T., SAKODA N., PERERA U., ISHII T., THU K., HIGASHI Y.
• Publication date: 2020/11
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 119
• Formats : PDF

IIR document

Condensation heat transfer and pressure drop of R32/R1123 inside horizontal multiport extruded tubes.

• Author(s) : JIGE D., MIKAJIRI N., KIKUCHI S., INOUE N.
• Publication date: 2020/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 120
• Formats : PDF

IIR document

Saturation pressure measurements of the new refrigerant HFO1132(E).

• Author(s) : PERERA U., THU K., MIYAZAKI T., SAKODA N., HIGASHI Y.
• Publication date: 2021/06
• Languages : English
• Keywords : R1132(E), Saturation, Pressure, Critical pressure, Thermodynamic property, Expérimentation, HFO
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

Recommended by the IIR / IIR document

Thermal stability of novel HFO blend refrigerant.

• Author(s) : GOBO K., TSUCHIYA T., YAMADA Y., NAKAUE T., KARUBE D., KOMATSU Y., ITO R., OHKUBO S., RYDKIN I.
• Publication date: 2021/06
• Languages : English
• Keywords : HFO, Mixture, Thermodynamic property, Expérimentation, R1132(E), R1234yf, Testing, Stability
• Source: 2^nd IIR Conference on HFO Refrigerants and Low GWP Blends
• Formats : PDF

HFO1123: a new alternative to R410A?

Japanese firm Asahi Glass announced its own refrigerant for use in air conditioning systems, based on the new HFO molecule HFO1123.

• Publication date : 2014/04/28

Performance and climate impact assessment of R152a and R1234yf as drop-in replacements for R134a in automotive AC systems

As the phase-out of R134a accelerates due to its high global warming potential, identifying efficient and climate-friendly alternatives becomes critical. This study puts R152a and R1234yf to the test under...

• Publication date : 2025/06/17
• Subjects: HFCs alternatives

State of the art on the flammability of HFOs

An article recently published in the IJR reviews the flammability characteristics of 48 HFOs and blends for various experimental conditions.

• Publication date : 2020/02/05

Low GWP blends for domestic air conditioning

A review article presents the latest research trends on low GWP refrigerants, mainly HFC/HFO blends, for domestic air conditioning. 

• Publication date : 2023/03/28
• Subjects: HFCs alternatives

A special gift for New Year’s Eve: free access to the 2024 most downloaded IIR conference paper!

As we ring in 2025, the International Institute of Refrigeration has a special gift for you! Download for free the most downloaded IIR conference paper of the year, focusing on the potential use of...

• Publication date : 2024/12/31

An innovation in thermoregulating clothing

Thermoregulating garments powered by solar energy and bidirectional electrocaloric devices are under development. They are said to be effective for outdoor temperatures of 12.5 to...

• Publication date : 2024/01/26
• Subjects: Technology

Approval of the revision of the F-Gas regulation by the European Parliament

On January 16, 2024, the European Parliament voted on the final version of the revision of the F-Gas regulation. 

• Publication date : 2024/01/26
• Subjects: Regulation

New radiative cooling technology promises breakthrough for vertical surfaces

A new radiative cooling material designed for vertical surfaces demonstrates cooling 2.5°C below ambient, offering solutions for urban heat. 

• Publication date : 2024/12/13

Development of a prototype of Secondary loop Mobile Air Conditioning System

Tata Motor, an Indian car manufacturer, recently signed a partnership with the German automotive supplier Mahle to design and develop a Secondary Loop Mobile Air Conditioning System (SL-MAC).

• Publication date : 2017/09/13

Advances in Phase Change Materials boost efficiency of food and health cold chains

A recent article published in the International Journal of Refrigeration reviews PCMs in laboratory and commercial cold chain applications along with possible solutions to mitigate their...

• Publication date : 2025/10/16
• Subjects: Technology

Temperature control and sustainability, the challenges of 3D meat printing

Temperature control is a key factor that still limits the application of 3D printing in the meat industry, according to recent scientific publications. 

• Publication date : 2023/01/26
• Subjects: Technology

Refrigeration and Food

Given the ever-increasing processing and exportation of food, world food is consuming more and more energy by the day: a trend that threatens to send food prices rocketing overnight if not taken in hand. The US food system alone uses over 10.55 x...

• Publication date : 2005/07/19

Out of the ordinary: trapped cat

A cat has survived despite being trapped for at least a month in a frozen food warehouse which operates at -33°C. Frosty, as the cat has been appropriately named, had lost one ear and vets had to amputate his other ear and his tail after the...

• Publication date : 2010/05/27

CO2 supermarkets: CAREL

CAREL and the French hypermarket chain Carrefour have joined forces to develop the first subcritical CO2 plant in a supermarket in Turkey. The Istanbul installation uses a cascade system that supplies the low-temperature units with R744. To...

• Publication date : 2010/05/27

Briefs: Chip cooling innovations

IBM researchers demonstrated a prototype that integrates a computer chip cooling system into 3-dimensional stacks by piping water directly between each layer in a chip stack. These so-called 3D chip stacks, which take chips and memory devices that...

• Publication date : 2010/05/27

Obituary : Gerald Groff

Gerald Groff, former President of Section E and very active in the IIR died on September 15.

• Publication date : 2019/09/30

Minutes of IIR Commission B1 Business Meeting in Boulder

A Commission B1 business meeting took place in Boulder, Colorado, USA (June 24, 2009). It was chaired by Commission B1 President Dr Piotr Domanski. The minutes of the meeting are available

• Publication date : 2010/06/07

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : English, French
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : English, French
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

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