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IIR document
Experimental study on starch/tetradecane phase change material for cold energy storage.
Thermodynamic modelling of formation/dissociation cycles of two-phase slurries in secondary refrigeration system.
Kinetic study of CO2 hydrate formation based on heat transfer measurement.
CO2 hydrates crystallization kinetic parametric study: effect of stirring rate and impeller type.
A new formation kinetics study method of TBPB and CO2 hydrates based on DTA.
Experimental study on the frost of the cold-trap in vacuum freeze-drying machines.
Performance of a cold transport system utilizing evaporation-freezing phenomena with a cold trap.
Experimental study on the heat transfer performance of freeze-dryer's cold trap.
Formation of ozone ice by freezing water containing ozone micro-bubbles: investigation into the influence of surfactant on characteristics of ice containing oxygen micro-bubbles.
Freezing of a water droplet due to evaporation - heat transfer dominating the evaporation - freezing phenomena and the effect of boiling on freezing characteristics.
VERY-LOW TEMPERATURE (-150 DEG C) REFRIGERATION SYSTEM WITH MIXED REFRIGERANTS.
Flow behavior and phase equilibrium of TBPB hydrate slurry in porous media for refrigeration application.
Comportamiento de flujo y equilibrio de fases de las suspensiones de hidratos de TBPB (bromuro de tetra-n-butilfosfonio) en medios porosos para aplicaciones de refrigeración.
Progress in the characterization and optimization of a permanent magnet magnetic refrigerator.
Lactic acid bacteria in an alginate film inhibit Listeria monocytogenes growth on smoked salmon.
Refrigeration sector monitoring
229 results
Brief: Tetrapack
Tetrapak has launched a low-temperature ice-cream innovation based on a unique cold-kneading freezing process that creates fine-structured ice cream of improved quality and paves the way to production of new and healthier products. The Hoyer...
Novel desiccant materials for more energy-efficient AC systems
Teams of researchers at MIT and at Texas A&M University have developed novel desiccant materials that could lead to more energy-efficient and economical room air conditioners and...
CAL - NASA’s Space Cryocooler
NASA’s new facility, Cold Atom Lab (CAL), expected to reach effective temperatures down to 100 pico-Kelvin (pK), will be used for the study of ultra-cold quantum gases in the microgravity environment on the International Space Station (ISS). (en...
Radiative cooling coatings that can adapt to the seasons
A novel material can be used as a coating on building’s rooftops or windows to provide radiative cooling in the summer without overcooling in the colder months.
Quantum refrigerators: research is making progress
Two recent studies illustrate the progress of research on quantum refrigerators. Cooling applications for microelectronic compounds could be considered.
Cooling computer chips by laser light for improved performance and energy efficiency
A US-based research consortium is working on developing a laser-based photonic cooling technology to both improve computer processor performance and either replace or complement water- and air- based cooling...
World’s coldest molecules at Yale
According to a research article published in the journal Nature, physicists at Yale University have achieved the coldest ever molecules through direct cooling.
Coldest ever molecules
Physicists at Yale University claim to have achieved the coldest ever molecules through direct cooling.
German researchers approach absolute zero
Physicists at the University of Bremen, Germany have produced the lowest temperature ever recorded, at 38 picoKelvin, which is 38 trillionths of a degree above absolute zero.
AREA's "Vision&Strategy 2020" manifesto.
In its new document, Air Conditioning and Refrigeration European Association (AREA) has identified 6 key priorities.
World refrigeration equipment market.
JARN predicts that the global refrigeration market value amounted to USD 90 billion in 2015.
New GCCA 2013-2014 Global Cold Chain Directory
This comprehensive directory provides readers with a convenient way to find third-party logistics providers, contractors and suppliers in cold storage and distribution solutions.
The challenge of cold chain breaches in a medical setting
In an article published in the Journal of Clinical Pharmacy and Therapeutics, researchers from the University of Canberra highlight the need for further research into the preservation of medicines and the maintenance of the cold chain.
An infographic shows what would happen if all technologies suddenly vanished
The Refrigeration School recently published The Refrigeration Apocalypse, an infographic showing the consequences of a failure of all cooling systems after different periods of time.
China’s expanding cold chain
According to a recent New York Times article on the cold chain in China, the country had less than 7.1 million m3 of refrigerated storage capacity in 2007 but is on track to having 20 times that by 2017.
IIR news
116 results
SophiA project: HKA Lab test progress
SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.
Technical visit to the Tokyo fish market
At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...
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...
Abstract submissions open for the IIR Cold Chain Conference 2020
Submit your abstracts online today for the next International Conference on Sustainability and the Cold Chain
7th IIR International Conference on Sustainability and the Cold Chain – Call for Abstracts Now Open!
The call for abstracts is now open for the 7th IIR International Conference on Sustainability and the Cold Chain, which is due to take place in Newcastle (UK) on April 11-13, 2022.
26th IIR International Congress of Refrigeration - Call for abstract
Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.
FRIDOC now features a selection of MDPI articles on refrigeration
About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.
IIR member news: Danfoss
Overview of the key global trends in refrigerants in Danfoss new report.
Conference update: Stockholm
The 2nd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Stockholm, Sweden, on June 16-17, 2010. The main themes are: design of low-refrigerant charge systems thermodynamics in compact heat exchangers; design...
The 2nd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Stockholm, Sweden, on June 16-17, 2010. Key themes include: design of low-refrigerant charge systems; thermodynamics in compact heat exchangers; design...
IIR member news: Cemafroid, IRSTEA and AFCE
A new study on the containment of refrigerants has been launched with the aim of identifying and promoting best practices in this regard.
The IIR participated in the EC consultation on the F-gas Regulation
In response to the European Commission (EC) consultation, the IIR sent comments on an EC report on the application, effects and adequacy of the F-gas Regulation.
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.
IIR events: new IIR working party
A proposal for a new IIR working party will be discussed during the meeting of the Science and Technology Council in August 2007 in Beijing. This working party is to deal with reduction in the refrigerant charge of refrigeration plants through...
IIR member news: AFCE
The AFCE published an explanatory document of the F-Gas Regulation.
Encyclopedia of Refrigeration
7 results
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
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...
Global HFC emissions from the refrigeration sector
This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...
Additive manufacturing of heat exchangers
In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
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.
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...
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...
Events
4 results
IIR event
17th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL 2026)
August 23, 2026 - August 26, 2026
Hamilton, New Zealand
Submit your abstract! With the increasing need for global warming countermeasures, natural working fluids have become a clear vector to reducing the CO2 footprint of...
Find out more
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,...
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Register...
Webinar – Refrigerated Transport in Hot Climates: Challenges and Innovations
December 09, 2025
France
Objective: To share key insights from the UNEP/IIR Cold Chain Technology Brief: Road Refrigerated Transport in Hot Climates, foster dialogue between experts, industry, and policymakers, and promote sustainable...
