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IIR document

Impact of personal characteristics on whole body cryostimulation settings: a numerical simulation study using the FPC model.

• Author(s) : BROEDE P., FIALA D., VIROUX P., et al.
• Publication date: 2017/05/15
• Languages : English
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

IIR document

The cryopreservation of mice skins for 5 weeks at -20°C and of human skin for 33 years at -196°C.

• Author(s) : SUMIDA S., YAGI H., ROWE A. W.
• Publication date: 2016/09/08
• Languages : English
• Source: 2^nd IIR Workshop on cold applications in life sciences.
• Formats : PDF

A Bayesian approach for modeling occupants’ use of window shades.

• Author(s) : SADEGHI S. A., AWALGAONKAR N. M., KARAVA P., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Les effets de la cryothérapie corps entier.

The effects of whole-body cryotherapy.

• Author(s) : BOUZIGON R.
• Publication date: 2017/03
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - n.1162

The rebound effect after the energy refurbishment of residential buildings towards high performances.

• Author(s) : CORRADO V., BALLARINI I., PADUOS S., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Cryogenic 3D printing of super soft hydrogels.

• Author(s) : TAN Z., PARISI C., DI SILVIO L., et al.
• Publication date: 2017/11/16
• Languages : English
• Source: Nature Scientific Reports

Stochastic modeling of short-term occupancy for energy efficient buildings.

• Author(s) : DONG J., WINSTEAD C., DJOUADI S. M., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Computational fluid dynamics analysis of convective heat transfer coefficients for a sleeping human body.

• Author(s) : MAO N., SONG M., PAN M., et al.
• Publication date: 2017/05/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 117

Thermophysiological response of human beings working within freezing chambers in Portugal.

• Author(s) : RAIMUNDO A. M., OLIVEIRA A. V. M., GASPAR A. R., et al.
• Publication date: 2016/05/03
• Languages : English
• 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

Simplifying the preservation at very low temperature of tissues used in ophthalmology

Researchers have compared the effects of −28 °C (standard freezer) and −80 °C preservation on human amniotic membrane, which is commonly used in ophthalmic...

• Publication date : 2022/05/30
• Subjects: Technology

Cryogenics 2021 highlights: applications of liquid nitrogen

Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...

• Publication date : 2022/01/28

ICR2019: overview of current refrigeration research topics (part IV)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

The race to design individual cooling devices

Cooling individuals would be less energy-consuming and a lot cheaper than cooling entire buildings. Based on that principle, companies, start-ups, and researchers are racing to build wearable devices that can act like mini air-conditioning...

• Publication date : 2020/02/06

Towards a sustainable seafood cold chain

Several FAO (UN’s Food and Agriculture Organisation) reports present the figures and challenges of the seafood cold chain.

• Publication date : 2023/02/06
• Subjects: Developing country, Figures, economy

Refrigeration reduces the glycemic index of cooked rice

Several studies highlight the benefits of refrigeration on the glycaemic index of rice, which is important in the control of chronic diseases such as diabetes.

• Publication date : 2022/12/05
• Subjects: General information

Revising A3 refrigerants charge limits to promote wider application

A recent IJR paper examines the validity and form of charge limits for “highly flammable” A3 refrigerants, which constitute low-GWP alternatives to HFCs. Authors propose to eliminate upper charge limits for...

• Publication date : 2020/06/30
• Subjects: HFCs alternatives

Cryochemistry: chemical reactions accelerated by freezing

Surprisingly, some chemical reactions can be accelerated by freezing. The possible applications of studying such cryoreactions include the food and pharmaceutical cold chain, as well...

• Publication date : 2022/02/28
• Subjects: Environment, Technology

Access to air conditioning saved over 190,000 lives in 2019

In the 2022 report for the Lancet Countdown on health and climate change, the authors estimated the number of heat-related deaths averted thanks to air conditioning, especially among...

• Publication date : 2023/04/26
• Subjects: Figures, economy, General information

Liquid nitrogen spray to clean spacesuits

Researchers from Washington State University developed a liquid nitrogen spray to remove moon dust from a space suit, potentially solving what is a significant challenge for future...

• Publication date : 2023/03/27
• Subjects: Technology

Update on the global regulation on refrigerants

Global regulations on fluorinated gases are evolving, with new ratifications of the Kigali Amendment (including China), the updating of the GWP of certain refrigerants by the IPCC, and five European countries...

• Publication date : 2021/09/07
• Subjects: Regulation, HFCs alternatives

Is super-cooling better than chilling for seafood products?

Super-cooled storage is a novel technique that better preserves the texture and freshness of fish and extends shelf life compared to chilling. 

• Publication date : 2024/02/29
• Subjects: Technology

New standards for “intelligent” ACs implemented in China

China implements new standard to officially define and set technological requirements for intelligent ACs. Additionally, a Chinese air-conditioning manufacturer is the first company in China to achieve a global...

• Publication date : 2020/06/26
• Subjects: Regulation

Evaporative cooling without adding humidity

Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.

• Publication date : 2020/05/26
• Subjects: Developing country, Technology

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

IIR Working Group on whole-body cryotherapy or cryostimulation

A presentation of this IIR Working Group took place during the French Association of Refrigeration (AFF) Orientation Committee in January.

• Publication date : 2018/03/22

New IIR Working Group: whole-body cryotherapy or cryostimulation

During the IIR Science and Technology Council meeting on June 15, 2017, a new IIR Working Group (WG) on “Whole-body cryotherapy or cryostimulation” was officially created.

• Publication date : 2017/07/12

Statement given by Didier Coulomb, Director General of the IIR, during COP 26

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 26th Conference of the United Nations Framework Convention on Climate Change (COP 26) in...

• Publication date : 2021/11/15
• Subjects: Environment

Statement given by Didier Coulomb, Director General of the IIR, during MOP 31

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 31st Meeting of the Parties to the Montreal Protocol (MOP-31) in Rome (November 4-8,...

• Publication date : 2020/04/03
• Subjects: Developing country, Environment, Regulation

Cooling data centres: A major economic challenge

Larger data centres can use a staggering amount of energy just to ensure the day-to-day running of electronic equipment. As a result, these data centres can produce a great deal of heat, which require large-scale cooling systems in order to...

• Publication date : 2017/03/29

Editorial by Mrs. Sylvie Lemmet

The refrigeration and air conditioning (RAC) industry is remarkable for its contribution to sustainable development and indeed to the United Nations' Millennium Development Goals. Preservation of perishable food and medicines has resulted in...

• Publication date : 2007/08/05

Call for nominations: Scientific Prizes at ICR 2019

The call for nominations for the ICR 2019 Scientific Prizes has now been launched. The series of prestigious academic and scientific awards recognise those who have made outstanding contributions to the field of refrigeration or have completed...

• Publication date : 2018/03/28

Statement given by Didier Coulomb, Director General of the IIR, during MOP 28

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 28th Meeting of the Parties to the Montreal Protocol (MOP-28) in Kigali...

• Publication date : 2020/03/29
• Subjects: Developing country, Environment, Regulation

New IIR Informatory Note on The Role of Refrigeration in the Global Economy

In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...

• Publication date : 2019/08/29
• Subjects: Figures, economy

Editorial by Didier Coulomb

Since 2007, the International Institute of Refrigeration (IIR) has conducted strategic discussions on its missions and services. This process began internally then took on board the outcomes of two surveys conducted at the beginning of this year...

• Publication date : 2009/08/13

Download the new IIR Informatory Note on Solar Cooling

Solar cooling may have a very positive environmental impact reducing the usage of fossil fuel, and the technology is almost mature enough to compete with conventional cooling equipment.

• Publication date : 2017/05/15

Statement from IIR Director General at COP13/MOP36

On the final day of COP13/MOP36, held in Bangkok, Thailand, from 28 October to 1 November 2024, IIR Director General Yosr Allouche delivered IIR’s official statement to the Plenary.

• Publication date : 2024/11/27
• Subjects: Regulation

Statement from IIR Director General at COP29

Watch the IIR’s official statement delivered by IIR Director General Yosr Allouche at COP29, held in Baku, Azerbaijan, from 11-22 November, 2024. Transcript is available...

• Publication date : 2024/12/16
• Subjects: Regulation

Past events: The IIR around the world, August and September 2024

A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).

• Publication date : 2024/10/07

Highlights: the 25th IIR Congress 2019 brings together over 850 delegates

The congress attracted over 650 papers, including 530 oral presentations, 72 posters, 17 keynotes and 1 plenary session, as well as 9 workshops, 10 IIR Commission and Working Group meetings, and 4 technical tours.

• Publication date : 2019/09/12

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 : English, French
• Themes : LNG and LPG