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Recommended by the IIR / IIR document
Fault analysis in a domestic refrigerator: Fan fault, condenser fouling, and area restriction.
IIR document
Simulator failures of refrigeration systems: innovative teaching tool.
Simulateur de pannes dans les montages à contacteurs couplés aux appareils de régulation d'une installation frigorifique.
Failure simulator in fittings where contactors are paired with control devices in a refrigerating plant.
Fault diagnosis for centrifugal refrigeration system based on probabilistic neural network.
[In Chinese. / En chinois.]
Preventing scroll compressor failures. 1.
Fault detection and diagnosis of a refrigeration system using probabilistic neural network.
Enhancing efficiency of large cold store refrigeration systems through automated fault identification and intelligent energy optimization.
Case study of fault detection and diagnosis of a household air conditioner with a dynamic refrigeration cycle simulator.
Fault diagnosis of VRF air-conditioning system based on improved Gaussian mixture model with PCA approach.
Simulating and comparing maintenance strategies for rooftop units with multiple faults.
Study on the support vector data description (SVDD)-based chiller sensor fault detection efficiencies.
Development of self-correction algorithms for thermostats using openAPI capabilities.
Analytical review of studies on assessing the layout impact and kinematic design of microcryocooler on its lifetime and MTTF.
Sensitivity analysis for PCA-based chiller sensor fault detection.
Experimentální vzduchotechniká jednotka pro vývoj a testování virtuálních senzoru a diagnostických metod.
Experimental air-conditioning unit for the development and testing of virtual sensors and diagnostic methods.
Refrigeration sector monitoring
184 results
Evaporative and thermoelectric cooling improve the efficiency of solar panels
Among several cooling methods reviewed in an article in Energies, evaporative and thermoelectric cooling offer substantial improvements in energy efficiency and a positive environmental footprint while...
Vacuum Insulation Panels: a promising solution for domestic refrigerators
Thanks to their low thermal conductivity, Vacuum Insulation Panels (VIPs) make it possible to greatly reduce the energy consumption of domestic refrigerators. However, their adoption comes up against problems of...
Must read in IJR: a comprehensive review on fault detection in HVAC systems
The latest research and developments in the fault detection and diagnostics of HVAC systems are presented in several articles recently published in the IJR.
Solar panels on car’s roof to power the air conditioning system
Audi recently signed a Memorandum of Understanding (MoU) with the US solar cells specialist Alta. They plan to work together to integrate photovoltaic cells into the panoramic glass roofs of Audi models.
Solar panels and a "water battery" to provide chilled water for air conditioners in an Australian university
The University of the Sunshine Coast, in Australia, has announced plans to install a giant "water battery" run by 5,800 solar panels to provide chilled water for air conditioning.
A solar-plus-ice-battery-storage system at Palm Springs Cultural Center
Ice Energy and Horizon Solar Power have completed the installation of a solar-plus-ice-battery-storage system at Palm Springs Cultural Center in California.
HFCs: to be banned soon?
Consult the following articles: - The large contribution of projected HFC emissions to future climate forcing, by Guus J. M. Velders, David W. Fahey, John S. Daniel, Mack McFarland and Stephen O. Andersen; PNAS:
Complex cooling channels support the resurgence of aerospike engines
Initially conceptualised in the 1950s, aerospike rocket engines are now being demonstrated by several start-ups, featuring AI-generated and additively manufactured complex cooling channels.
Reducing food waste: can we keep open canned sardines in the refrigerator?
Researchers from the University of Porto studied the shelf life at 4°C of open canned sardines, depending on the type of seasoning (sardines in brine, vegetable oil, tomato...
Briefs: Reducing the TEWI by reducing channel size
The TEWI (Total Equivalent Warming Impact) makes it possible to measure the total impact of a system on global warming. The direct effect is produced by refrigerant loss. The indirect effect is produced by the CO2 released when producing the...
HFOs chosen for the renovation of the Channel Tunnel refrigeration system.
The ban of the servicing of R22 equipment led tunnel operators Eurotunnel to consider refrigerants compliant with European HFC phase-down agreements.
Channel Tunnel's new refrigeration system achieves energy savings of over 30%
R1233zd(E) proves its efficiency in Europe's largest cooling system.
US: R134a, R410A and R407C could be banned in chillers from 2025
AHRI and NRDC issue joint letter supporting EPA SNAP proposal to prohibit R134a, R410A and R407C in new chillers from 2025.
HVAC equipment sales in Brazil: brief outlook for 2013
Sales growth in the air-conditioning, refrigeration, ventilation and solar heating (refrigeration market) segments is being driven by the Brazilians’ increased purchasing power, expansion and modernization of factories and commercial spaces.
R1234yf could be used in 3 million cars by the end of the year
DuPont expects refrigerant HFO1234yf will be used in the air-conditioning systems of nearly 3-million vehicles worldwide by the end of this year.
IIR news
79 results
The year 2016: a new year full of opportunity
The year 2016 will be particularly important due to increasing international discussions on the production and consumption of hydrofluorocarbons with high global warming potential.
Check out the upcoming cutting edge IIR events for 2016
IIR conference activities in 2016 show a promising choice of events.
A roundup of the top IIR headlines in 2016
Check out the major events that took the spotlight at the International Institute of Refrigeration during 2016.
IIR Congress 2019: The refrigeration event of the year
Taking place on August 24-30, 2019 in Montreal (Canada), birthplace of the 1987 Montreal Protocol, the IIR Congress 2019 will be organised under the theme “Refrigeration for Human Health and Future Prosperity" and will focus on the current global...
IIR conference activities in 2016 show a promising choice of events
IIR conference activities in 2016 show a promising choice of events covering cutting edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.
New EU funded project began on October 1st, 2021: “SophiA - Sustainable off-grid solutions for pharmacies and hospitals in Africa”
With a budget of 8 million euros over four years, SophiA will develop containerized solutions for hospitals using natural refrigerants, solar thermal and photovoltaics to enable more and more African people to...
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...
IJR Editorial: Solar energy, the energy of the future for refrigeration
Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...
Walk-in cold rooms: webinar replay and slides now available
Thank you for taking part in our second webinar! You can now download the slides and watch the replay on the IIR YouTube channel. Furthermore, the overview guide is also available in...
Briefs: Philippe Lebrun is “Engineer of the Year”
Philippe Lebrun, a member of the Management Committee of the IIR and Head of Section A of the IIR (Cryology and Gas Processing), was awarded the "Prix Ingénieur de l'Année 2010" in the "Science" category, by the French magazine Usine...
Call to Action for World Refrigeration Day
In support of this special day, and with the aim of raising awareness and boosting accessibility of the refrigeration sector from the grassroots up on an international level, the IIR is calling to all stakeholders to actively help bring the HVACR...
Happy New Year 2024!
The year 2023 is ending on a high note for the refrigeration sector. At the Conference of the Parties on Climate Change in Dubai, a global call was made for action to promote the sustainable development of refrigeration, which is both essential...
Best wishes 2019!
2018 was an eventful year for the International Institute of Refrigeration (IIR) who organised several conferences to improve the cold chain and reduce the impact of refrigeration on the environment (refrigerants, energy consumption).
Best Wishes 2021!
The IIR wishes you all the best for the new year!
UK: IoR dinner 2020 and Judith Evans receives award
During the IoR annual dinner 2020, the IoR recognised the contributions of outstanding individuals to the UK refrigeration industry.Judith Evans was awarded ACR Woman of the Year 2020.
Encyclopedia of Refrigeration
7 results
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...
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 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...
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
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...
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...
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...
