Main menu
Search results
Search in FRIDOC
36 results
Dynamic modelling of an automotive air-conditioning system by absorption.
IIR document
Effects of poly sodium acrylate on the cohesive properties of ice slurry during long storage time.
Thermodynamic design and analysis of movable small scale mixed-refrigerant liquid nitrogen generators.
Flow regimes of R32, R1234yf, and R454C in horizontal multiport mini/ micro-channels: Development of a new flow regime prediction method.
Dynamic modeling and simulation of a double-effect absorption heat pump.
Electrochemical inerting (oxygen control) for food preservation.
Hydrogen purification technologies in the context of its utilization.
LARGE PSA-NITROGEN UNITS.
Recommended by the IIR / IIR document
A magnetic wine cooler prototype.
Neon production process based on pressure swing adsorption (PSA).
Experimental study on operating parameters of a special miniature pressure swing adsorption (PSA) oxygen concentrator for SARS patients.
Large-scale air separation systems: cryogenics, pressure swing absorption (PSA) and membrane methods.
Advanced pressure swing adsorption (PSA) air purification systems.
OXYGEN FROM JOINTED PSA AND CRYOGENIC PROCESSES.
AIR SEPARATION PLANTS USING CRYOGENIC, PSA OR MEMBRANE TECHNOLOGY. DEVELOPMENT AND FUTURE APPLICATION.
Refrigeration sector monitoring
1030 results
Briefs: CSA
The Cryogenic Society of America has created and recently launched its Cryogenic Treatment Database: www.cryogenicsociety.org/ctd_relaunched The site provides...
NASA’s James Webb Space Telescope
Cryogenic testing has now been completed for the final 6 primary mirror segments and a secondary mirror that will fly on NASA’s James Webb Space Telescope.
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...
NASA tests on composite cryotank successful
NASA recently completed a complex series of tests on one of the largest composite cryogenic fuel tanks ever manufactured,
NASA seeks input on cryogenic hydrogen test facility
NASA’s Glenn Research Centre issued a request for information (RFI) calling stakeholders across industry, academia, and government agencies to assess the technical feasibility of a cryogenic hydrogen test...
NASA tests liquefaction technology to produce propellant on the Moon
Experts at NASA’s Glenn Research Centre in Cleveland, USA, are testing technology designed to liquefy oxygen on the lunar surface for use as rocket propellant.
Supercomputer with advanced cooling system to support NASA moon missions
The new liquid-cooled Aitken supercomputer will run modeling and simulation workloads for lunar landings.
Water desalination thanks to freezing
A new desalination process involving freezing has been developed and offers an alternative to the shortcomings of other technologies such as distillation or inverted osmosis.
Briefs: Lifesaving pocket refrigerator
During the severe heatwave in Europe in 2003, Uwe Diegel realized that his brother was encountering problems keeping his insulin refrigerated while travelling. So the inventor decided to invent a pocket refrigerator based on the Peltier effect...
Reducing post-harvest food losses in sub-Saharan Africa
To strengthen the cold chain for fruit and vegetables in sub-Saharan Africa, sustainable measures and the use of precooling are recommended in a review article.
IEA Report: Air-conditioning and desalination to drive half of peak electricity demand in MENA
Due to rising temperatures and water scarcity exacerbated by climate change, IEA predicts that electricity demand in the MENA region will rise by 50% by 2035, driven mainly by air-conditioning and...
BESA releases new guidelines for safe use of R290 propane in heating and cooling systems
BESA's latest technical guidance outlines safety practices and technical considerations for using R290 (propane) in RACHP systems.
Sub-Saharan milk cooler project awarded USD 1 million
A University of Georgia engineer received USD 1 million to continue working on a milk cooler designed to help dairy farmers, particularly those in sub-Saharan Africa, who lack access to refrigeration.
MAC: CO2 or HFO-1234yf?
The SAE Alternate Refrigerant Symposium held in Phoenix, USA, on June 10-12, 2008, provided an opportunity for the various stakeholders of the global automotive industry to present their views regarding the next-generation refrigerant in mobile...
Impact of heat on school results
An American study establishes a relationship between rising temperatures and lower school examination results and highlights the importance of air conditioning.
IIR news
312 results
Obituary: Aldo Dellacasa
The IIR would like to express its sincere condolences to the family and relatives of Dr. Eng. Aldo Dellacasa, who died on August 19, 2018, at the age of 93.
Policy brief available to download: Developing the cold chain in the agrifood sector in sub-Saharan Africa
A focus on the importance of the cold chain in reducing post-harvest losses
IIR member news: Air Liquide joins the fight against the Covid-19 epidemic
To deal with the Covid-19 epidemic in France, the Air Liquide group, member of the IIR, has decided to produce 10,000 respirators in 50 days.
Expo Froid - A public exhibition dedicated to refrigeration
From December 5, 2017 to September 16, 2018 a staggering 250,000 visitors explored the “Expo Froid” (Cold Exhibition) at the Cité des Sciences et de l'Industrie.
A new Master’s for food security
In September 2013, the Polytechnic Institute of LaSalle in Beauvais, France launched a Master degree in the “Management of Food Safety in Cities”, certified by the French Ministry of Higher Education and Research, and partnered with the IIR.
IIR conference papers visible in Scopus!
From Scopus, it is now possible to download the papers of three IIR conferences indexed in Fridoc. Download them!
Download the latest technical papers from the IIR Cryogenics Conference
Held on 8-11 April this year, the 15th IIR Cryogenics Conference welcomed over 120 guests from more than 22 countries.
The IIR takes part in a UNIDO project
The IIR has been successful to a UNIDO call for proposals to assess the incremental and operating cost for improved Energy Efficiency in retail refrigeration in Jordan and Tunisia.
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.
New in our Encyclopedia: cryogenics in the pharmaceutical industry
This summary document presents the potential applications of liquid cryogens in the pharmaceutical sector.
The 30th Conference of the Parties to the Montreal Protocol in Quito, Equador
The 30th Conference of the Parties to the Montreal Protocol took place in Quito (Equador) on 5-9 November 2018. Didier Coulomb, Director General of the IIR, made a statement.
PCM 2018
Review of the 12th IIR International Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning (PCM 2018).
PCM Conference
A look back at the PCM conference held in Paris, France, from May 29 to 31, 2024.
Healthcare ColDays 2022: innovations in refrigeration and health
The French Association of Refrigeration (Association Française du Froid) is organising a day dedicated to the latest technical and scientific developments in the field of refrigeration and health on 26 April...
Professionals, participate in a questionnaire on the cold chain of COVID-19 vaccines (in French)
The AFF (French Association of Refrigeration) has just posted a short online questionnaire for vaccines cold chain professionals in order to enrich the work of its...
Encyclopedia of Refrigeration
16 results
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...
For IIR members only
Global cold storage capacity
This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).
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...
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...
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...
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.
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...
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...
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...
Kigali Amendment status per country
List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.
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...
Heat pump stock in Europe
This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.
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...
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...
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...
Events
8 results
IIR event
15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
September 16, 2026 - September 18, 2026
Xi'an, China
Currently accepting full papers! The 15th IIR Conference on Phase-Change Materials and Slurries for...
Find out more
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...
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,...
Data Centers at a Crossroads: Energy, Cooling, and Policy Challenges
May 12, 2026
Register...
15th International Conference on Compressors and their Systems
September 13, 2027 - September 15, 2027
London, United Kingdom
On September 13-15, 2027, the 15th International Conference on Compressors and their Systems of City University of London will provide a forum for debate on developments in air, gas and refrigeration...
Cooling Without Warming: Energy‑Efficient ACs and Heat Pumps
April 28, 2026
Paris, France
Register here
19th IIR Conference on Cryogenics
April 26, 2027 - April 30, 2027
Dresden, Germany
The 19th CRYOGENICS 2027 continues in the series of conferences held every two years. The conference will deal with new challenges of the equipment and technologies with temperatures below 120 K (-153°C), as well as with other...
Sponsored event
2026 China International Heat Pump Conference
October 13, 2026 - October 17, 2026
Shanghai, China
Following the resounding success of the 2nd China Heat Pump Conference (CHPC 2024) in Shenzhen, which gathered over 850 experts and delegates from 33 countries & regions, the upcoming 3rd CHPC in 2026 is poised to further expand its global...
