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Simulation of a helium dewar using no liquid cryogens.
IIR document
Development and characterization of a centrifugal pump for low-loss liquid helium transfer.
Ultra fast freezing of warm product using cryogenic slush.
A simple calibration device for cryogenic temperature sensors using a standard liquid helium dewar vessel.
A numerical cool-down analysis for Dewar-detector assemblies cooled with Joule-Thomson cryocoolers.
STUDY OF DEWAR MULTI-SHIELD INSULATION SYSTEMS WITHIN 4.2-293 K.
The research of a cooling system for superconducting microwave filter and cryogenic amplifier.
The origin, ultrastructure, and microbiology of the sediment accumulating in liquid nitrogen storage vessels.
Efficient helium recondensing using a 4 K pulse tube cryocooler.
Structured packing liquid holdup in cryogenic systems.
An efficient helium circulation system with small cryocoolers.
[In Japanese. / En japonais.]
Design on a low-temperature superconducting magnet system with pulse tube refrigeration.
An efficient helium circulation system with small GM cryocoolers.
Cryogenics: ultra-low temperatures.
Cryogénie : les très basses températures.
Refrigeration sector monitoring
73 results
Heat Pumps: A smart decarbonisation tool for the dairy industry
To reduce emissions and energy costs, more dairy factories are turning to industrial heat pumps.
A project to decarbonise the cold chain in the UK using hydrogen
The University of Nottingham is looking to develop dual-use energy storage technology capable of supplying hydrogen to a fuel cell and generating direct cooling for refrigeration applications.
The high potential of ground-source heat pumps to decarbonise the European building sector
A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps.
World LNG Report 2025: LNG trade continues to grow, requiring increased global decarbonisation efforts
According to the IGU, global LNG trade grew by 2.4% in 2024, connecting 22 exporting with 48 importing markets. With increasing global regulatory focus on methane emissions, particularly from the EU, Japan, and...
UNIDO rewards Midea’s efforts in environmental protection
Midea’s work on the use of propane (R290) in air conditioning has been recognized by UNIDO.
Vegetable ice cream flavors to debut in Japan
Häagen-Dazs has announced the release of two vegetable-flavored ice creams in Japan.
U.S. Department of Energy funds 15 projects for more efficient cooling of data centres
As part of the country’s goal to achieve net-zero carbon by 2050, over 40 million USD funding to support the development of high-performance, energy efficient cooling solutions for...
Magnetic refrigeration, a promising technology for the liquefaction of hydrogen
A keynote at the recent IIR Congress highlights magnetic refrigeration as a technology with high potential for the liquefaction of hydrogen, an essential energy vector for decarbonisation.
“eCO2”, a new high specification carbon dioxide refrigerant
Refrigerant, branded ‘eCO2’, offers sustainable sourcing and lower moisture content than current offerings, distributor claims.
The LNG-fuelled fleet continues to grow
According to the maritime classification and consultancy company DNV, orders for LNG-fuelled ships remained high in 2022, close to the record figure of 2021. The use of LNG as a...
New whitepaper highlights hybrid heat pump “missed opportunity” in the UK
A new report highlights the key role hybrid heat pumps could play in the decarbonisation of the heating sector in the UK, urging for better policies.
Cooling solutions for hybrid electric aircraft
The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...
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.
Road to COP28. Extending the temperature range and application for heat pumps
To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...
The European Commission releases a “Renovation Wave Strategy” for more energy-efficient buildings.
Decarbonisation of heating and cooling is among the top three priorities of the European Commission’s new “Renovation Wave Strategy”. The strategy promotes cooling and heating using waste heat or cold along with...
IIR news
38 results
European Food Survey to decarbonise industrial operations
The ENOUGH project invites European food operators to complete a short survey on the advancements and potential for achieving the net-zero emissions target.
IIR Webinar – Domestic hydrocarbon heat pumps, key to a decarbonised future
As the world accelerates towards decarbonisation, heat pumps are emerging as a global solution for cleaner, more efficient residential cooling and heating.
INDEE+: Focus on the two-day workshop “Hotel Decarbonisation using R744 Heat Pump/chiller” organised in April
A two-day workshop titled “Hotel Decarbonisation using R744 Heat Pump/chiller” was organised on 26-27 April 2024 at Antarim Resorts, Goa. The technical session was followed by a demonstration of the R744 HP/C...
The CLIM’ECO programme kicks off
Supported by the French government and as part of the energy saving certificates scheme, the CLIM'ECO programme aims to reduce and optimise the energy consumption of air conditioning in the French Overseas Departments.
Call for abstracts launched for Thermag Conference 2020
Hosted by the University of Maryland (US), Thermag IX 2020 will offer key opportunities for academics and industry to develop research collaborations fostered by a dynamic technical conference programme.
Press Release: REAL Alternatives for LIFE project on blended learning for alternative refrigerants gets started
Financed by the EU's funding instrument for the environment and climate action, the REAL Alternatives for LIFE consortium met in June for the project kick-off meeting.
Member news: Efficient Energy has been rewarded for its remarkable growth over the last 4 years
Energy Efficient, an IIR corporate member, ranked third in the latest Deloitte Technology Fast 50 in Germany. This ranking rewards companies based on the percentage increase in their revenue over the last four...
IIR publishes a new Technical Brief: Domestic heat pumps using hydrocarbons - Current status and market overview in Europe
At a time when the energy transition is at the top of the global agenda, the IIR is publishing a new Technical Brief on domestic hydrocarbon heat pumps. This strategic document...
Clim'Eco: the IIR is a partner of this new program, which began this year in Réunion.
This program aims to promote a reasonable use and good maintenance of air conditioning in the French overseas departments.
New IIR Informatory Note on high-temperature heat pumps
IRR’s latest Informatory Note demonstrates that high-temperature heat pumps are a key technology in the decarbonisation of process industries.
The IIR is seeking an Information Officer
The IIR is seeking an Information Officer for its Scientific and Technical Information Department comprising 4 persons. The position is available immediately.
The IIR participated in the South African Road Show
The Department of Environmental affairs of the Republic of South Africa (DEA), in collaboration with UNIDO, organised a Road Show in South Africa on June 11-22, 2018.
Proposal for technical and financial collaboration: Census of cold production equipment in the industrial and tertiary sectors in France (in French)
As part of its activities in industrial and commercial refrigeration, the EDF R&D TREE department is planning to carry out a study on the French stock of installed refrigeration equipment.
We are hiring a techical project manager
The IIR is involved in diverse projects supporting academia and countries. The candidate will support the IIR projects department, and will develop and secure new projects for the IIR and ensure that they are...
Member news: Danfoss hosts global leaders in sustainable heating & cooling
In April, Danfoss hosted a week dedicated to sustainable heating and cooling. The second day featured Danfoss RACHP Symposium, where IIR Director General Yosr Allouche delivered a keynote presentation,...
Encyclopedia of Refrigeration
6 results
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...
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...
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.
Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement
Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...
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...
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...
Events
3 results
Other event
15th IEA Heat Pump Conference
May 26, 2026 - May 29, 2026
Vienna, Austria
Join the 15th IEA Heat Pump Conference, which will take place in Vienna, Austria,from May 26-29, 2026! The 15th IEA Heat Pump Conference, co-sponsored by IIR,...
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IIR event
IIR World Refrigeration Day 2025 Event
June 18, 2025
Paris, France
Introduction The 2025 IIR World Refrigeration Day event brings together key decision-makers from governments, industry, academia and partner international organisations to foster dialogue and...
9th IIR Conference on Sustainability and the Cold Chain
April 12, 2026 - April 14, 2026
Istanbul, Türkiye (Republic)
Submit your abstract now! The 9th IIR Conference on Sustainability and the Cold Chain (ICCC 2026)...
