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Experimental test rig for the visualisation study of the transcritical flow in the two-phase R744 ejectors.
IIR document
Hydrogen permeabilty testing of fibre reinforced thermoplastics under cryogenic conditions – a test rig concept.
Analysis of the R744 flow through the ejector ducts on the basis of visualisation procedure at the dedicated laboratory test rig.
Performance analysis of simple vapour compression refrigeration (VCR) test rig with R134a developed on virtual lab under steady state and dynamic state conditions.
A pressure and temperature cycling test stand with hot-gas bypass control for evaluation of adhesive joints in HVAC&R applications.
Co-current upward vaporization of binary mixtures in finned compact heat exchangers with offset strip fins.
Drying of Carrot Strips in Indirect Solar Dehydrator with Photovoltaic Cell and Thermal Energy Storage.
Qualitative and quantitative changes in the use of cryo-technology during the 70-year history of the tissue bank, university hospital Hradec Kralove
Effect of high-pressure pre-treatments and subsequent frozen storage on quality properties of horse mackerel.
A semi-empirical correlation for predicting the frost density on hydrophilic and hydrophobic substrates.
Experimental study on refrigeration performance and fluid thermal stratification of thermodynamic vent.
Efficient recuperative 4-quadrant power supply for superconducting solenoids.
Recommended by the IIR / IIR document
Prediction of flammability classifications of refrigerants by artificial neural network and random forest model.
Refrigerants used in the Portuguese food industry: Current status.
Tribometer for the investigation of self-lubricating sealing materials under realistic compression conditions.
Refrigeration sector monitoring
72 results
A cryostat provides the optical bench of the largest digital astronomic camera
The manufacture of a cryostat to be used as an optical bench for the camera of the Large Synoptic Survey Telescope has been completed.
France abandons taxation of HFCs (in French)
Department of Ecology confirms during SIFA that, unlike Spain, France will not introduce taxation of refrigerants. (in French)
Promotion of the AFFI 2005 Western Frozen Food Convention by a band of superheroes
The American Frozen Food Institute, the US national trade association representing all aspects of the frozen food industry supply chain, from manufacturers to distributors to suppliers to packagers, has turned to a band of superheroes to promote...
North America: Ice rinks and the phaseout of HCFC-22.
Retrofits in Minnesota and Michigan provide examples of good options.
Customs block trade in over 1,300 tonnes of illegal refrigerant
The United Nation Environment Programme reports that illegal trade of over 1,300 tonnes of ozone-depleting gases has been prevented over the last 18 months.
The frozen food market in Bangladesh
Frozen food i.e. shrimp and fish made up for 22.6% of the agricultural sector in Bangladesh in 2012.
HFC consumption in Bangladesh
According to a UNEP document published in June 2017, the HFC consumption in Bangladesh was of 810.68 metric tonnes, including 94.5% of R134a.
Bangladesh: phase-out of CFCs in motion
The national ODS Phase-out Plan (NPP) received a boost in April 2005 in Bangladesh following the procurement of 9000 kits by the government in the launch of a programme by the Department of Environment (DoE) to convert refrigerators running on...
HFC phase down talks at MOP-25 in Bangkok
The phase down of HFC production and use was the focal point of discussions during the 25th Meeting of the Parties to the Montreal Protocol (MOP-25).
Bangladesh Kicks Off Green Cooling Initiative to Phase Out HFCs in Line with Montreal Protocol
Bangladesh initiates efforts towards green cooling solutions with a workshop addressing the transition from HFCs to eco-friendly refrigerants.
Cryogenics 2019: NICA project aims at studying the state of matter existing shortly after the Big Bang
NICA project for a new superconducting accelerator complex in Russia attracted a lot of interest during IIR Cryogenics conference in Prague, in April 2019.
Growth of the global refrigerated display cabinets market
The refrigerated display cases market has been growing steadily for the past few years. Various market research analysts suggest that this growth will continue due to increasing demand from the food and beverage...
Supercooling the LHC
CERN's Large Hadron Collider (LHC) is the new research instrument of the world's elementary particle physics community. This discovery-making machine will explore the structure of matter and basic forces of nature on a scale never attained before....
IIR member news: Danfoss inaugurates its new test lab for flammable refrigerants in France
Danfoss inaugurated the new extension of its test lab located in Trevoux, in France. It will enable the company to increase their capacity to test air conditioning and refrigeration compressors containing alternative flammable refrigerants.
Urban cooling strategies
A report provides practical guidance to optimise development projects to moderate urban microclimates in major urban centres in Australia.
IIR news
31 results
Donation to Prof. Banadda’s family and job opportunity for the SophiA project in Africa
Please find attached the press release concerning the donation campaign for the family of Prof. Noble Ephraim Banadda, who was one of the key promoters of SophiA, convincing experts in African ministries of health and various organisations to...
World Bank project in Bangladesh
The IIR has just signed an agreement with the World Bank to develop a cold chain, as sustainable as possible of course, in Bangladesh, in partnership with British and Bangladeshi universities.
IIR in Bangkok: Highlights from COP13/MOP36 and the World Cold Chain Symposium
IIR actively participated in the COP13/MOP36 and 2024 World Cold Chain Symposium events organised in Bangkok, Thailand, from 26 October to 1 November, hosting two side events and promoting solutions for...
Latest news from B-Medical Systems, Epta and GEA, three IIR corporate members
B Medical Systems, a global leader in the vaccine cold chain, is expanding its production capacity due to the COVID-19 pandemic, Epta monitors R290 fridges in cashier-free store in Dubai and GEA provides a...
Three educational and awareness-raising events within the framework of INDEE+ project in 2021
For the INDEE+ project, the end of the year 2021 was marked by several educational events aiming to raise awareness of the application of clean cooling systems offered by the CO2/R744 refrigeration...
Tribute to Farès Charbel
The IIR is deeply saddened by the passing of prof. Farès Charbel, former Lebanese delegate, and extends its heartfelt condolences to his family.
The IIR with the World Bank in West Bengal
The IIR is a key partner in the World Bank’s project on the Inland Waterways Transport (IWT) integration into the cold chain in West Bengal
Available - New IIR publication: Technological options for retail refrigeration
Written by several experts from the acclaimed London South Bank University (UK), the International Institute of Refrigeration (IIR) is proud to present the “Technological options for retail refrigeration”.
Highlights from COP13/MOP36 – Day 4
Today, at COP13/MOP36 in Bangkok, high-level discussions continued as delegates, scientists, and policy leaders gathered with renewed urgency to protect the ozone layer and address climate...
New president of IIR Commission C2 on food science and engineering
The IIR is proud to announce the appointment of Judith Evans, Professor at London South Bank University, as the new president of IIR Commission C2 on food science and engineering.
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.
Conference overview: Sustainable Management of Refrigeration Technologies in Marine and Off-Shore Fisheries Sectors
In partnership with the UNEP, ASHRAE and UNIDO, the IIR organised a conference in Bangkok (Thailand) in April 2017 on the Sustainable Management of Refrigeration Technologies in the Marine Sector and Offshore Fisheries.
Press release: The International Institute of Refrigeration appoints Professor Judith Evans as new president of Commission C2
The International Institute of Refrigeration (IIR) is proud to announce the appointment of Judith Evans, Professor at London South Bank University, as the new president of IIR Commission C2 on food science and engineering.
Highlight from COP13/MOP36 - Day 1
At a side event during COP13/MOP36 in Bangkok, IIR and Cool Up Programme convened global leaders to address challenges in energy-efficient refrigeration and cooling. Discussions focused on reducing emissions,...
Philippe Lebrun received the Mendelssohn Award.
Philippe Lebrun, President of the IIR’s General Conference, received the prestigious Mendelssohn Award conferred by the International Cryogenic Engineering Committee on March 11, 2016.
Encyclopedia of Refrigeration
9 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...
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...
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...
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).
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...
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...
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...
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...
