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IIR document
New proposals for ventilation rates in machine rooms.
Analysis of suitable methodologies for compressor mass flow rate correction to other superheat levels and refrigerants.
Prediction of drying rate during frozen storage of cooked rice utilizing novel method of measuring adsorption isotherm.
Comparison of heat exchange rates between straight and slinky horizontal ground heat exchanger.
Effect of cryoprotectant on optimal cooling rate during cryopreservation.
Cooling rates of fruits and vegetables.
Experimental study on the cooling rate of a new type of oocyte carriers.
[In Chinese. / En chinois.]
Effects of different freezing rates on the characteristics of vegetable soybean during frozen storage.
Influence of cheese heat generation inside a ventilated pallet on cooling rate and heterogeneity.
Study on CO2 bubble absorption and visualization in nanofluids.
From vial to multiwell - Controlled rate freezing in a convective environment.
Recommended by the IIR / IIR document
A critical analysis of the characterization of scroll compressors mass flow rate.
Efficacy of chlorine dioxide gas and freezing rate on the microbiological quality of frozen blueberries.
Research on oil circulation rate of CO2 inverter rotary compressor.
Conductividad térmica del hielo en función de la temperatura, la velocidad de congelación, el gas disuelto y la presencia de campos electromagnéticos.
Ice thermal conductivity depending on the temperature, the freezing rate, the dissolved gas and the presence of magnetic fields.
Refrigeration sector monitoring
1949 results
Adoption rates of transcritical CO2 in European supermarkets vary considerably
Shecco, a group promoting natural refrigerants, recently published “Guide 2012: Natural Refrigerants – Market Growth for Europe”, that seems to reveal a large difference in the adoption rates of transcritical CO2 between European countries.
Figuring out frozen food growth rates in Europe
According to Swiss research firm Food for Thought (FFT), European frozen food consumption in 2012 (14,456 million tonnes) is up 14% from 2010 (12,663 million in 2010).
Refrigerated warehouse capacity and urban development
Among other data, the 2012 IARW Global Cold Storage Capacity Report focuses on the relationship between refrigerated warehouse capacities and urban population levels.
Refrigerated storage trends
Several cold store building projects illustrate trends currently observed in the refrigerated storage field: - by building in Harnes the largest cold store in France, frozen chip producer Mc Cain intends to house under one roof in April 2010 its...
Urban cooling strategies
A report provides practical guidance to optimise development projects to moderate urban microclimates in major urban centres in Australia.
Brazil: 94.5% employability rate for trained professionals in the refrigeration sector
The refrigeration course offered by the SENAI, the National Service of Industrial Learning in Brazil, has a 94.5% employability rate for its graduates.
Integrated CO2-CHP system
Brunel - a UK University - and 14 industrial partners in the commercial refrigeration sector have presented an innovative integrated energy system which has been designed to meet the needs of medium and large supermarkets and can be tailored to...
The International Association of Refrigerated Warehouses
The International Association of Refrigerated Warehouses has just published a top 20 list of public warehouse facilities rated according to available refrigerated space. The total combined space of these international top 20 members of IARW is...
Refrigerated transport: truckers’ Delight
North American truckers are set to upgrade their equipment in line with new regulations and due to strong consumer demands for better food safety. The FDA's hazard analysis critical control points (HACCP) system decrees that shippers and...
Modern technology permits economical refrigerated shipments
The number of refrigerated shipments, and thus the number of refrigerated containers, has risen worldwide in recent years. Hamburg Süd is optimizing the use of cooling energy and will reduce the energy consumption of its reefer containers by 15%...
Autonomous systems for refrigerated transport
The refrigerated transport sector is looking for solutions to reduce fuel consumption, refrigerant emissions and noise emissions. - Autonomous systems cooled by cryogenic secondary coolants offer alternatives. A system developed in Germany uses...
Markets: Refrigerated road transport: facts and figures
According to a recent TechNavio Insights study on the UK refrigerated road transport market study, the estimated total number of refrigerated road transport vehicles in the UK, in 2008, was around 140@000. Of these, 43% (60@000) were vans and...
Fuel-cell-based system for refrigerated transport
According to researchers* from the National Renewable Energy Centre in Sarriguren, Spain, hydrogen fuel cells could offer a solution for refrigerated transport.
A Refrigerated Noah’s ark
Svalbard Global Seed Vault, on the Norwegian island of Spitzbergen, which has officially opened on February 26, 2008, is designed to be a fail-safe repository for the world's food crops. It has the capacity to store up to 4.5 million seed samples...
IIR corporate members news: Picard
Picard, a corporate member of the IIR specialized in innovative, high-quality frozen foods, is expanding fast. With 150 new stores opened over the past few years, Picard now has 569 stores in France and 45 in Italy. BC Partners recently took over...
IIR news
755 results
ICCC2022 - early bird rate ending soon
Only seven days left to take advantage of early bird rates for the 7th IIR International Conference on Sustainability and the Cold Chain (ICCC 2022).
FRIDOC: Our conference proceedings at very advantageous rate for members!
From March 1, the price of IIR conference proceedings will increase, but members will benefit from a very attractive discount!
Corporate members: news
- During the IIAR's 2008 Ammonia Refrigeration and Conference, the first fundraising event, a golf tournament, was held in order to launch Ammonia Refrigeration Foundation actions. The recently formed foundation will promote charitable,...
Founded in 2003, Playcube SARL, a new IIR corporate member based in France, has developed FreezCube, a simple monitoring device which provides useful information related to the safety of frozen foods stored in freezers: FreezCube confirms that 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 €.
IIR Corporate members: briefs
- Air Liquide's new LENOXeTM anaesthetic drug was recently presented at the European Congress of Anaesthesiology in Munich, Germany. It is due for commercial release in 12 European countries by the end of 2007. LENOXeTM is based on xenon (Xe), an...
Activities of the IIR’s Commission D2 on Refrigerated Transport
The role of the IIR is well recognized worldwide, and in particular the expertise of the members of Commission D2 makes an important contribution to refrigerated transport issues: avoiding the wastage of food and the minimizing of emissions.
New IIR publications: Guide to Refrigerated Transport
A completely revised version of the IIR Guide to Refrigerated Transport will be published late 2009. The purpose of this book prepared by Robert Heap and other IIR experts is to provide all necessary basic information on the transport of...
Corporate and private membership of the IIR
If you're already a member, you will be aware of your member benefits. If you're not, here's a glimpse: private members get a free subscription to the International Journal of Refrigeration or the Bulletin of the IIR and corporate members get...
This new edition is a greatly extended and fully updated version of the first edition published in 1995 and enables readers to come to grips with the latest technology and trends. This book provides all necessary basic information on the transport...
Activities of the IIR’s Commission on Refrigerated Storage and the IIR’s international partnerships
The activity of Commission D1, Refrigerated Storage, is involved in the links with the Food and Agriculture Organization (FAO) and the United Nations Industrial Development Organization (UNIDO). Within these partnerships, major projects are being...
IIR's Annual Meeting: New Leadership and Strategic Direction for Sustainable Refrigeration
The IIR's June statutory meetings were very productive in terms of strategy and internal organisation. Here is a brief overview of the main outcomes.
New IIR publication: Latest Developments in Refrigerated Storage, Transportation and Display of Food Products
The proceedings of Latest Developments in Refrigerated Storage, Transportation and Display of Food Products, an IIR conference involving Commissions C2, D1 with D2, held in Amman, Jordan, on March 28-30, 2005 comprise 24 papers. within the...
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 International Conference on the Application of HFO Refrigerants – early bird rate closing soon!
The early bird rate for the 1st IIR International Conference on the Application of HFO Refrigerants is scheduled to end in a few days. Book today to secure a place at this breakthrough conference !
Encyclopedia of Refrigeration
13 results
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...
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...
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...
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).
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...
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...
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...
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...
André Lebon
André Lebon (1859 – 1938). Membre fondateur de l’Association Internationale du Froid puis de l’Institut International du Froid
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...
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.
Events
6 results
IIR event
Webinar – Refrigerated Transport in Hot Climates: Challenges and Innovations
December 09, 2025
France
Objective: To share key insights from the UNEP/IIR Cold Chain Technology Brief: Road Refrigerated Transport in Hot Climates, foster dialogue between experts, industry, and policymakers, and promote sustainable...
Find out more
15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
September 16, 2026 - September 18, 2026
Xi'an, China
Call for abstracts is open! The 15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration...
Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Register...
15th IEA Heat Pump Conference
May 26, 2026 - May 29, 2026
Vienna, Austria
Join the 15th IEA Heat Pump Conference, which will take place in Vienna, Austria,from May 26-29, 2026! The 15th IEA Heat Pump Conference, co-sponsored by IIR,...
17th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL 2026)
August 23, 2026 - August 26, 2026
Hamilton, New Zealand
Submit your abstract! With the increasing need for global warming countermeasures, natural working fluids have become a clear vector to reducing the CO2 footprint of...
11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
June 07, 2026 - June 11, 2026
Ljubljana, Slovenia
Submit your abstract now! The 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting (Thermag 2026), to be...
