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IIR document
Glass properties selection for core and shell high rise residential building in moderate climate.
Phasedown of high-GWP refrigerants accompanied by natural refrigerants on the rise.
A united WRF/TRNSYS method for estimating the heating/cooling load for the thousand-meter scale megatall buildings.
A review of advanced façade system technologies to support net-zero carbon high-rise building design in subtropical China.
Experimental investigation of the bi-evaporator compression/ejection refrigeration system.
Cooling buildings sustainably in Europe: exploring the links between climate change mitigation and adaptation, and their social impacts.
The study and analysis of the complete cooling dual-stage compression system in secondary throttling.
United Nations Secretary-General’s Call to Action on Extreme Heat
Refrigeration Integration and System Efficiency (RISE).
High frequency aerodynamic noise improvement of variable speed scroll compressor by transient CFD analysis.
Effect of lubricant addition on bubble motion of refrigerant CO2 in the nucleate boiling process.
Entropy generation and exergy loss of R123-MWCNTs nanorefrigerant in flow condensation.
Effects of rising ambient temperature on the performance of transcritical CO2 refrigeration systems.
Comparative analysis of thermodynamic performance of high-temperature absorption heat transformers using various ionic liquids as working pairs.
Selecting the correct ambient temperature and its impact on plant performance: Theory vs reality.
Refrigeration sector monitoring
225 results
EU: High-GWP HFC shortages and price rises
Several refrigeration associations in the EU have warned of severe refrigerant supply problems in their countries.
GL2012 highlights: technologies needed in order to raise uptake of natural refrigerants
Prof. Pega Hrnjak presented technologies that could advance the position of major natural refrigerants at the 2012 Gustav Lorentzen Conference on Natural Refrigerants. He claims that hydrocarbons, ammonia and CO2 could become strong contenders for...
Natural refrigerants in emerging countries: South Africa
South Africa is facing an energy shortage and a rise in electricity prices. Natural refrigerants, which have important energy saving potential, are now being introduced, especially in supermarkets. Here are 2 examples: . GTZ has offered technical...
Brief: R-723
The new natural refrigerant blend R-723 presents the same advantages as ammonia (i.e. high specific evaporation heat and insignifigant GWP) and offers further benefits: it can be used in copper systems and offers full mineral oil solubility. R-723...
Trends and Figures: Increase in AC prices in Asia
According to 2 articles in JARN, the prices of air conditioning are starting to show the effects of the rising raw materials prices, including those of copper, steel and aluminium. There are claims that the prices of these essential metals, in...
100 years of superconductivity
April 8, 2011 marked the 100th anniversary of the discovery of superconductivity by Heike Kammerlingh Onnes. Working in his lab at Leiden University on April 8, 1911, he was experimenting with the electrical...
The HCFC phase-out challenge (4)
The results of a recent study* sponsored by the refrigerants manufacturer DuPont show that 65% of refrigerating plants in 9 key European Union markets were still using HCFC refrigerants 18 months before the ban on use of virgin HCFCs in EU...
Positive impact of recent MEPS on the air conditioner market in China
In June 2023, CLASP published a report highlighting how a recent, more stringent MEPS precipitated the rise of more efficient air conditioners in just two years.
CHEs in heat pumps
In its Annex 33, "Compact Heat Exchangers in Heat Pumping Equipment" issued in September 2010, the Heat Pump Programme details the benefits of using compact heat exchangers (CHEs): . Improved heat exchanger thermal effectiveness: thermal...
Packaging innovations
Plant-based food packaging Biodegradable packaging looks set to be the way of the future. A sharp rise in demand for natural products and healthier food added to the stability of maize prices versus those of petroleum-based polymers have...
Solar Air conditioning
With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...
Brief: 12th c-dig meeting
Uusikaupunki in Finland was the setting for the 12 th c-dig meeting in April 2005 attended by 55 delegates. Roughly half the presentations were by Finnish companies, reflecting the tremendous focus on carbon dioxide in the region in recent years....
ICR2007: CO2 in the limelight
Among the 876 papers presented at the IIR International Congress of Refrigeration in Beijing, 82 were on CO2 as a refrigerant or secondary fluid. Many dealt with new components for CO2, the lack of such components being currently still one of the...
Alternative Cooling Technologies conference, London, 1st February 2005
This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...
2024: A record-breaking year for global temperatures, surpassing 1.5°C threshold
According to the Copernicus Climate Change Service, 2024 has officially become the warmest year on record, surpassing previous temperature highs and signaling a new phase in global climate change.
IIR news
61 results
Brief: IOR's Anniversary
Over 900 persons attended the UK Institute of Refrigeration (IOR)'s 106th Anniversary Dinner which was held on February 8, 2006 at Grosvenour House Hotel, London, appropriately in the ballroom, a former ice skating rink. In his speech, the...
Corporate Members: news
- Danfoss has experienced booming sales 18% growth over the first three quarters of 2007. Sales reached 2.2 billion €. Growth in China and Latin America was particularly positive and end of year sales are expected to top 3 billion €.
News from IIR members: Star Refrigeration
Star Refrigeration just announced a new collaboration with Core Enterprises, an American portable instruments developer to distribute AccuToolsR eL-720 carbon dioxide gas leak detector. The detector is easy to handle and effective at locating even...
News from IIR members: Mayekawa
Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...
Statement from IIR Director General at COP29
Watch the IIR’s official statement delivered by IIR Director General Yosr Allouche at COP29, held in Baku, Azerbaijan, from 11-22 November, 2024. Transcript is available...
The IIR at COP-11/MOP-1 in Montreal
The IIR, as an intergovernmental organization, participated in this "historic" event which gathered 10 000 people for the largest United Nations Framework Conference on Climate Change (UNFCCC) ever held. The conference held...
Adapting Refrigeration to a Warming World: Highlights from IIR Adaptation 2025 Conference in Manchester
The first edition of the IIR International Conference on Adapting Refrigeration to Rising Temperatures has just wrapped up in Manchester, UK. Over 120 participants from academia, policy, and industry gathered to...
The Congress in Yokohama: a great success!
In Yokohama, the International Congress of Refrigeration (ICR2015), a huge milestone in the refrigeration sector, saw a massive amount of information disseminated and certainly lived up to expectations with almost 1,200 conference delegates, 143...
In numbers: Your International Journal of Refrigeration
The International Journal of Refrigeration (IJR) may only be one link in a long chain of high-quality scientific information, but its importance is greater than ever.
Your International Journal of Refrigeration; still the best in its field
Thomson Reuters confirms that the International Journal of Refrigeration is still the best in its field
IIR’s contribution and key outcomes at COP29
The International Institute of Refrigeration actively participated in COP29/CMP19/CMA6 held in Baku, Azerbaijan, from 11 November to 22 November 2024, contributing to key discussions and fostering discussions...
REAL Alternatives: blended Learning for Alternative Refrigerants
Last week the REAL Alternatives Europe programme partners met at IIR head offices to elaborate plans to translate the e-learning project into more languages.
Fridoc: the most comprehensive refrigeration database in the world
Fridoc contains documents written in 36 languages by over 80,000 authors from 93 countries.
STEF-TFE opens largest cold store in Madrid
New site cuts energy consumption by 15% with innovative energy storage system during off-peak hours
New IIR Informatory Note (IN) on chillers and Russian version of the IN on nutrition
The IIR has just published a new Informatory Note on chillers as well as the Russian version of the IN on the Role of Refrigeration in Worldwide Nutrition already published in four other...
Encyclopedia of Refrigeration
8 results
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...
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...
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...
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...
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...
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.
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...
Events
1 result
Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
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