Main menu
Search results
Search in FRIDOC
450 results
IIR document
Low charge ammonia refrigeration systems for refrigerated warehouses.
Performance assessment of low charge ammonia refrigeration in a high bay automated warehouse.
Research on personnel density and air conditioning cooling load in a general hospital.
[In Chinese. / En chinois.]
Low charge packaged ammonia refrigeration systems.
Building envelope cooling load study for an indoor snow field with ETFE-roof.
Identification of refrigeration load parameters for display cabinets from monitoring data.
Performances of transport refrigeration units at partial load; testing methodology and comparison with performances at full load.
Recommended by the IIR / IIR document
The future of low charge NH3 refrigerating plant.
Data-driven modeling of the refrigeration load in supermarkets — A case study on three European supermarkets.
Exergetic analysis of reverse brayton cryocooler for different cooling loads at 65 K for HTS cables.
Low charge ammonia packaged refrigeration systems: achieving ultra-reliable operation.
Influence of cooling load profile on the prediction of energy use in commercial refrigeration plants.
Developments in low charge ammonia refrigeration for food processing and storage.
Low charge ammonia systems designed as direct expansion.
Research of thermal dynamic characteristics for variable load single screw refrigeration compressor with different capacity control mechanism.
Refrigeration sector monitoring
130 results
UK: low-charge ammonia frozen food storage
The refrigerant charge on previous ammonia plant which was an estimated 5,000 kg has been reduced to just 188 kg
Pressure exchanger enhances efficiency of CO2 refrigeration systems
A new pressure exchanger technology, adapted from the desalination industry, offers significant energy efficiency improvements for CO2 refrigeration systems, addressing challenges of high energy...
Energy savings in a milk plant through permanent magnet speed motors (en français)
A Belgian milk plant reduces by 18 to 21% the necessary energy for cooling through permanent magnet speed motors. (en français)
France: tax on refrigerants does not appear in the public finance draft bill of 2018 (in French)
The tax on refrigerants announced in July 2017 by the French Ministry for the Ecological and Inclusive Transition does not finally appear in the public finance draft bill.
Mini containers, an energy-efficient solution for small farmers?
To benefit small growers, a team of researchers investigated the concept of mini containers that would consume less energy and produce fewer GHG emissions than conventional full-size...
France: a government decision sets a time limit for the use of equipment leaking fluorinated greenhouse gases (in French)
A French decision states that from July 1, 2017, the use of equipment leaking fluorinated greenhouse gases will be limited to 4 days.
France: A study on leak detection systems
A study focuses on two ways to detect refrigerant leaks: gas detectors and expert systems.
The expansion of refrigeration applications of Thermal Energy Storage and PCMs
Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...
ICR 2019: an overview of current refrigeration research (part I)
Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.
Refrigerated transport: innovations and challenges for sustainability
Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...
Alternatives to replace R404A for refrigerated transport
With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...
GL2024: Improving the performance of R744-refrigeration systems at high ambient temperatures
A paper presented during the 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants proposes improving the performance of R744 refrigeration systems in transcritical operation using low-charge R290...
ICR2019: focus on innovative refrigeration technologies for developing countries
Several papers presented during the IIR International Congress of Refrigeration in August 2019 addressed advances in the refrigeration technologies that are particularly adapted to hot countries with limited electricity supply: solar...
UK frozen food in 2020: market growth and sustainability
A report by the British Frozen Food Federation (BFFF) reveals a significant growth rate of the frozen food sector in 2020. The report also suggests that the industry is addressing environmental issues such as...
The benefits of thermal energy storage for cold chain applications
Several presentations at the IIR ICCC 2022 conference focused on the potential applications of Thermal Energy Storage (TES) and Phase-Change Materials (PCMs) and highlighted the...
IIR news
129 results
New IIR Informatory Note on Refrigerant Charge Reduction
Now available for IIR members! The 25th IIR Informatory Note, the latest in the series on Refrigeration Technologies.
Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems
Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.
Spotlight on Commission B2: at the forefront of refrigerating equipment
Coordinated by the IIR Science and Technology Council, Commission B2 focuses on promoting knowledge of refrigerating equipment technologies and their applications worldwide.
Member news: Carrier Transicold's innovative electrical technologies for refrigerated transport
Carrier Transicold promotes a new all-electric and autonomous cooling system for semi-trailers that completes its 100% electric range.
A new version of the ATP Agreement
The new version on the international carriage of perishable foodstuffs and on the special equipment to be used for such carriage became effective from 30 September 2015. The IIR was involved in this process thanks to its Commission D2...
IIR Seminar in Tunis brings to the forefront the social and economic strategic importance of the cold chain
Recognising the social and economic importance of this issue on a global scale, the IIR organised a seminar on the Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries on October 25, 2016 in Tunis (Tunisia),...
IIR and UNEP OzonAction publish French and Spanish versions of Cold Chain Technology Briefs
Originally published in English, the five Cold Chain Technology Briefs have been translated into two additional languages.
Check out the upcoming cutting edge IIR events for 2016
IIR conference activities in 2016 show a promising choice of events.
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.
Now available: ICCC 2018 conference papers and proceedings
Couldn't attend the 5th IIR Conference on Sustainability and the Cold Chain (ICCC 2018) in Beijing, China, last month? Download the conference proceedings and papers.
Cold Chain Technology Briefs: Now available in French and Spanish
Originally published in English, the IIR-UNEP OzonAction Cold Chain Technology Briefs have been translated into two additional languages.
International Institute of Refrigeration (IIR) releases new technical brief: “The role of refrigeration in the global economy (3rd edition)”
This comprehensive report highlights the critical importance of refrigeration in addressing global challenges related to food security, healthcare, energy efficiency, and climate change.
New IIR Informatory Note: Advancements in Supermarket Refrigeration
Download your copy of the latest IIR Informatory Note on “Advancements in Supermarket Refrigeration”
New IIR Working Group on Careers in Refrigeration “CaRe”
The IIR is delighted to announce the new IIR Working Group on Careers in Refrigeration “CaRe”, chaired by Dr Catarina Marques.
IIR Working Group publishes Guidelines for Life Cycle Climate Performance
The Guidelines for Life Cycle Climate Performance (LCCP) provide a harmonised method to calculate the LCCP for all types of stationary air conditioning, heat pumping and refrigeration systems.
Encyclopedia of Refrigeration
6 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...
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...
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...
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...
