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IIR document

Measurements of pρTx and specific heat capacity cv for (R290 + R1243zf) binary mixtures at temperatures from (292 to 350) K and pressures up to 11 MPa.

• Author(s) : SHENG B., DONG X., ZHAO Y., LI Z., YAN H., ZHONG Q., WANG J., GONG M., SHEN J.
• Publication date: 2020/04
• Languages :
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 112
• Formats : PDF

Eksergija kao mera održivosti energatskog sistema.

Exergy as mesure of sustainability of energy system.

• Author(s) : NOVAK P.
• Publication date: 2016/12
• Languages : English
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

IIR document

Measurement of the heat capacity of R1233zd(E).

• Author(s) : LIU Y., ZHAO X.
• Publication date: 2018/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
• Formats : PDF

IIR document

Saturated pressure measurements of cis-pentafluoroprop-1-ene (R1225ye(Z)).

• Author(s) : FEDELE L., DI NICOLA G., BROWN J. S., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Viscosity measurements of R32 and R410A to 350?MPa.

• Author(s) : BAIR S., LAESECKE A.
• Publication date: 2017/11
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 83
• Formats : PDF

IIR document

Saturated pressure measurements of cis-pentafluoroprop-1-ene (R1225ye(Z)).

• Author(s) : FEDELE L., DI NICOLA G., BROWN J. S., et al.
• Publication date: 2016/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
• Formats : PDF

IIR document

Development of humidity measuring device using porous ceramic based on principle of psychrometer.

• Author(s) : MIURA K., IYOTA H., MATSUMOTO T., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Viscosity measurements of R32, R134A and R1234ze(Z).

• Author(s) : MATSUGUCHI A., KAGAWA N.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Density of the refrigerant fluids of R365mfc and R152a: measurement and prediction.

• Author(s) : ABDALLA M. E., PANNIR. S.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Thermophysical property measurements for R1234yf + R1234ze(E) mixture.

• Author(s) : HIGASHI Y.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Speed of sound measurements of HFO-1234ze(E) in the liquid phase.

• Author(s) : GAO L., ASOU H., HONDA T.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• 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

Vapor-liquid equilibrium measurements of HFO refrigerant mixtures.

• Author(s) : SAKODA N., SHIHENG J., KOHNO M., et al.
• Publication date: 2017/04/23
• Languages : English
• Source: 5^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
• Formats : PDF

IIR document

Thermal conductivity measurement of low GWP refrigerants with hot-wire method.

• Author(s) : ISHIDA H., MORI S., KARIYA K., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Contact angle measurements in the refrigerant falling film evaporation process.

• Author(s) : LI G., LIU J., XU X., LU X., CHEN J.
• Publication date: 2020/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 112
• Formats : PDF

Rare earths for spatial measurements.

Researchers from ECA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.

• Publication date : 2014/11/27

Rare earths for spatial measurements

Researchers from CEA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.

• Publication date : 2015/05/06

Brazilian government outlines measures to reduce electricity consumption

Owing to severe droughts affecting hydropower generation, the Brazilian government is imposing measures to reduce electricity consumption in public buildings, including limiting the...

• Publication date : 2021/09/27
• Subjects: Developing country, Regulation

Measures towards energy-efficient air conditioning in Southeast Asian countries

The IEA projects that electricity demand from air conditioning could reach 300 TWh by 2040 in the ASEAN region (Association of Southeast Asian Nations). Energy efficiency measures...

• Publication date : 2022/05/30
• Subjects: Regulation, Figures, economy

Refrigeration at the heart of measures to promote energy efficiency in the EU

Decarbonised district cooling, efficient cooling of data centers and local cooling plans are part of the agreement reached for a reinforcement on the EU Directive on energy efficiency. 

• Publication date : 2023/03/27

Measures for more energy-efficient air conditioning in Saudi Arabia

A recent article proposes key policies and technologies that could promote a more sustainable use of air conditioning in Saudi Arabia, a country where air conditioning accounts for 70% of household electricity...

• Publication date : 2020/12/28
• Subjects: Technology, Figures, economy

China: World's largest indoor ski resort applies energy saving measures

Shanghai’s new indoor ski resort relies heavily on refrigeration technologies, including 33 snow-making machines to feed the pistes.

• Publication date : 2024/11/06
• Subjects: General information

China: Latest policy measures to tackle end-of-life recycling and disposal of cooling equipment

In 2024, China has implemented several measures to reduce emissions from HFC and HCFC refrigerant recycling and recovery through cooling equipment end-of-life recycling and disposal.

• Publication date : 2024/08/27
• Subjects: Regulation, General information

For IIR members only

Jordan and Cool Up finalise national cooling action plan with 30 key measures for sustainable cooling transition

As of November 2024, Jordan’s finalised National Cooling Action Plan (NCAP) includes 30 key measures which will undergo review before adoption in early 2025.

• Publication date : 2024/12/16
• Subjects: General information

New environmental measures are emerging

Two important (for the refrigeration and air-conditioning sector) United Nations conferences take place every year, on ozone depletion and on climate change. The IIR attends these conferences and presents a statement as an intergovernmental...

• Publication date : 2009/02/24

Bunker under highly controlled-atmosphere to measure Earth’s rotation

Equipment with extremely stable laser requires perfect mastery of air pressure and temperature.

• Publication date : 2012/08/30

For IIR members only

Moderate growth of the AC market in Brazil in Q2 2024

Data from Brazilian Association of Refrigeration, Air Conditioning, Ventilation and Heating (ABRAVA) present production and sales of air conditioning equipment for the first semester...

• Publication date : 2024/12/05
• Subjects: Figures, economy

The Canadian HVAC Market. First quarter 2014

According to the Heating, Refrigeration and Air Conditioning Institute of Canada (information provided by ReportLinker), air-handler sales showed the largest increase in the first quarter of 2014.

• Publication date : 2014/07/23
• Subjects: Figures, economy

Europe: 2nd quarter 2014 HVAC-R market trends

Eurovent Market Intelligence (EMI) has just released the latest trends for the European HVAC&R market.

• Publication date : 2014/08/06
• Subjects: Figures, economy

Europe: 1st quarter 2014 HVAC-R market trends

Eurovent Market Intelligence (EMI) has just released the latest trends for the European HVAC&R market.

• Publication date : 2014/05/28
• Subjects: Figures, economy

ENOUGH Project: Joint Statement on Food Waste Reduction

The ENOUGH project has joined efforts to call for rigorous food waste reduction measures in Europe.

• Publication date : 2023/12/08

Editorial by Didier Coulomb

Renewal of generations has to take place in all societies and the ability to attract young people to certain professions must be a major concern in companies and public organizations. This is particularly true in the refrigeration sector, and of...

• Publication date : 2005/06/14

IC2015 Workshops: An opportunity to join, share and build together

ICR2015: A chance to actively participate in the innovation of refrigeration.

• Publication date : 2015/06/17

I-SWG workshop at Delft Days Magnetocaloric Conference

Workshop organised by the IIR Industrial Sub-Working Group (I-SWG) on Magnetic refrigeration

• Publication date : 2015/10/28

Editorial by Didier Coulomb

Since the beginning of the year, the Focus section of the Newsletter has dealt with environmental measures in general and measures addressing HFCs (hydrofluorocarbons) in particular that have already been adopted or are foreseen in various...

• Publication date : 2009/12/09

Take part in the BETTED project survey for the dairy sector

Help this EU project map out the role of sustainability of companies in the dairy sector. The survey ends August 30.

• Publication date : 2024/06/18
• Subjects: General information, Environment

BETTED: a new IIR EU funded project

This project aims to promote the energy transition of the dairy value chain. The kick-off meeting is scheduled for March 11-12 in Brussels (Belgium).

• Publication date : 2024/01/26

Paris Agreement signed and the OEWG37 makes headway

Find out how the Paris Agreement, adopted during the Conference of Parties (COP21) and signed on 22 April 2016, and advancements at the 37th Meeting of the Open-ended Working Group of the Parties to the Montreal Protocol (OEWG37) will impact the...

• Publication date : 2016/04/26

Your International Journal of Refrigeration; still the best in its field

Thomson Reuters confirms that the International Journal of Refrigeration is still the best in its field

• Publication date : 2015/07/08

New EU research project BETTED gets underway!

The IIR is one of 10 partners of the new European research project aimed at promoting the energy transition of the dairy value chain.

• Publication date : 2024/03/27

Supercooling and superchilling: A solution to increased shelf life and reduced food waste?

If these technologies were combined with perfusion chilling for meat and fish, then additional benefits such as rapid cooling, low weight loss and novel products could result.

• Publication date : 2015/10/27

IIR’s contribution and key outcomes at COP29

The International Institute of Refrigeration actively participated in COP29/CMP19/CMA6 held in Baku, Azerbaijan, from 11 November to 22 November 2024, contributing to key discussions and fostering discussions...

• Publication date : 2024/12/17
• Subjects: Regulation, Environment

New IIR Informatory Note on Containment of Refrigerants

Currently available for IIR members only, the 24th IIR Informatory Note “Containment of Refrigerants within Refrigeration, Air Conditioning and Heat Pump Systems” is out.

• Publication date : 2014/01/21

Editorial by Didier Coulomb

2005 will bring many changes in the field of refrigeration as a whole, and also in the IIR's activities. Discussions on climate change are in the limelight thanks to the ratification of the Kyoto Protocol which will further limit the use of...

• Publication date : 2005/02/11

IIR Informatory Note highlights global air conditioning's CO2 emissions and energy impact

The IIR has modelled current and future CO2 emissions attributable to air conditioning in different regions of the world.

• Publication date : 2024/08/01
• Subjects: Figures, economy, Environment

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 : French, English
• Themes : Freezing of foodstuffs

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 : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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 : French, English
• Themes : HFCs

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

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