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IIR document
Ice nucleation in water droplets on glass surfaces: from micro- to macro-scale.
High-efficiency, low-cost glass door merchandisers using transcritical carbon dioxide.
Glass properties selection for core and shell high rise residential building in moderate climate.
Performance study of thermally activated glass fibre reinforced gypsum roof.
Suppression of frost layer growth on glass or copper surfaces with micro-scale lattice-patterned grooves.
Successful conversion and validation of glass door merchandisers using transcritical R744.
Performance Evaluation of thermally activated glass fibre reinforced gypsum building equipped with desiccant system.
Development of a compressor control logic based on heat load prediction for glass door refrigerated display cabinets.
An aspirating cooling system for regulating temperature of pyrolytic oven glass.
Ice-phobic glass-substrate surfaces coated with polypeptides inspired by antifreeze protein.
Enhancing the solar still performance using nanofluids and glass cover cooling: Experimental study.
Performance improvements of R744 glass door merchandiser using low-cost two-phase ejector.
Recommended by the IIR / IIR document
Energy analysis of door openings in vertical refrigerated display cabinets with glass doors.
Energy saving potential at partial load for vertical glass door refrigerated display cabinets.
Design of efficient oil coales for helium compressor and oil removal system.
Refrigeration sector monitoring
768 results
Briefs: Open units or with glass doors?
When glass doors are used in refrigeration units, the energy savings are as a rule indicated as being "up to" 40%. Very often these figures are based on experience in a typical climate (25°C and 60% air humidity) with standard opening frequencies...
Air conditioning in every NYC classroom by 2022
The city officially announced a USD 28.75 million initiative to install air conditioners in every NYC classroom over the next five years.
Publication of an update on new refrigerants designations and safety classifications.
UN Environment and ASHRAE recently published a fact sheet to provide an update on ASHRAE Standards 34, which lists the designations of refrigerants.
China cold chain figures (en anglais)
Over 1 billion of perishable food is consumed in China every year, of this over 50% needs to be transported by cold chain.
HCFC phase-out and HFC phase-down discussed by African Ozone Officers (en anglais)
At the end of March 2017, fifty National Ozone Officers met in Abidjan, Côte d'Ivoire, to review challenges related to the phase-out of HCFCs and the phase-down of HFCs.
HFO1123: a new alternative to R410A?
Japanese firm Asahi Glass announced its own refrigerant for use in air conditioning systems, based on the new HFO molecule HFO1123.
Refrigerated display cabinets: saving energy without doors
Refrigerated display cabinets, without glass doors and incorporating a new patented airflow management system, have been installed at a new Tesco Extra eco store in Lincoln, UK.
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.
Innovative material for passive cooling and natural lighting
Researchers at the Karlsruhe Institute of Technology have developed a polymer-based material that is more transparent to light than regular glass and maintains a comfortable indoor...
Focus on the new refrigerant HCFO1224yd(z)
The Japanese chemicals manufacturer Asashi Glass Chemicals developed a new refrigerant as an alternative to R245fa.
New low-GWP refrigerants popping up
Asahi Glass and DuPont recently announced the development of new low-GWP alternative refrigerants.
A study ranks the investment of the European Union countries to implement the Paris Agreement
An independent study states that only three countries in Europe push in the right direction to comply with the Paris climate agreement.
Efficient refrigeration helped reduce German retailers’energy costs
Energy costs per m2 of retail space in the food trade is more important than in the non-food sector.
French oysters go on sale in a vending machine
A French oyster farmer from Ré Island in France introduced a refrigerated vending machine that dispenses live oysters.
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.
IIR news
126 results
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.
Canada to Host LNG2023 in Vancouver
Vancouver will be the venue for the 20th International Conference & Exhibition on Liquefied Natural Gas (LNG2023) following the selection of the Canadian Gas...
MOPIA joins the REAL Alternatives project
REAL Alternatives, the international programme for low GWP alternatives training for technicians, is delighted to announce that MOPIA, the Manitoba Ozone Protection Industry Association, has joined the...
PCM 2018
Review of the 12th IIR International Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning (PCM 2018).
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 Mostra Convegno exhibition
In March 2018 the IIR participated in one of the biggest exhibitions on refrigeration technologies, Mostra Convegno, which took place, as always, in Milan.
ATMOsphere Europe Summit 2021 to Address EU’s Phase Down of Super-Polluting Refrigerants
The replacement of HFCs with natural refrigerants is among the topics at the online event on September 28-29.
Discover the ENOUGH tool
The software to optimise food quality, energy use and environmental impact of a food supply chain.
Purdue conferences
The Purdue Conferences, co-sponsored by the IIR, took place on July 9-12, 2018. As successful as the previous editions, they gathered 800 attendees.
UNESCO two-day meeting in Paris
The IIR participated in a two-day meeting organised by UN Environment at UNESCO (Paris).
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.
The IIR worldwide
Focus on the latest IIR interventions around the world.
Rankine 2020 conference highlights opportunities and challenges for the future
The IIR Rankine 2020 – Advances in Heating, Cooling and Power Generation conference was organised by the Institute of Refrigeration UK (IOR) as an ambitious 5-day online event running across July 27-31. It...
Encyclopedia of Refrigeration
8 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...
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...
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...
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...
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...
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...
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...
