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LHP heat transfer performance: a comparison study about sintered copper powder wick and copper mesh wick.
IIR document
Low-temperature emissivity of thin AL2O3 layers deposited on copper substrate.
Copper pipework support and routing.
Investigation on adhesion force of TBAB hydrate to cooling copper surface.
Recommended by the IIR / IIR document
Experimental study of frosting cleaning process on superhydrophobic copper surface.
Effects of weak magnetic fields on frosting process on surface of copper tube.
Pool boiling heat transfer enhancement with copper nanowire arrays.
Study on heat transfer enhancement of lotus-type porous copper heat sink.
[In Chinese. / En chinois.]
Active control of ice adhesion force to copper surface by varying surfactant concentrations.
Flow boiling heat transfer of R1234yf on a microparticle coated copper surface.
Study on thermally regenerative battery based on copper/ammonia with low-grade waste heat.
A simple cryogenic method for testing of electrical properties of copper and its alloys.
Influence of oil concentration on wetting behavior during evaporation of refrigerant–oil mixture on copper surface.
Suppression of frost layer growth on glass or copper surfaces with micro-scale lattice-patterned grooves.
Optimization of MicroGroove Copper Tube Coil Designs for Flammable Refrigerants.
Refrigeration sector monitoring
87 results
Dover acquires Advansor
Dover claims its acquisition of Danish company makes it the largest manufacturer of CO2 systems in the world
Johnson to acquire York
Following a USD 3.2 billion transaction in August 2005, Johnson Controls is to acquire York. The combination of York, a leader in the manufacturing and service of heating and cooling equipment with Johnson Controls, an industry leader in the...
BOC Refrigerants acquire CARE®
On January 31, 2005, BOC announced that it had completed a deal with Calor Gas Limited to purchase the company's CARE® range if environmentally sensitive refrigerants. The deal also includes Calor's UK aerosol propellants business and sales,...
Carrier acquires Europe's largest refrigeration company
On July 12, 2004, Carrier announced that the European Commission in Brussels has approved the company's intended acquisition of Linde Refrigeration, the European leader in commercial refrigeration and a division of Linde AG. Under the agreement,...
Toshiba Carrier acquires 20% of Midea Air Conditioning
Toshiba Carrier Corporation has completed the deal to acquire 20% of Guandong Midea Electric Appliances Co., Ltd., Air Conditioning Division. According to Toshiba Carrier, Midea Air Conditioning is the 2 nd largest air-conditioning company in...
Modern cryosurgical techniques and devices
Since the 80’s, device miniaturization makes it possible to introduce endoscopic cryoprobes through natural channels (bronchia, urethra…) without requiring traditional surgery.
Keeping dairy cows cool
In the University of California, Davis, new technologies are currently tested to cool dairy cows.
Breakthrough fluorescent imaging for precise cancer cryosurgery
Researchers at NYU Abu Dhabi (NYUAD) have developed a specialised nanoscale material that illuminates cancer cells under freezing conditions, enhancing surgeons’ ability to detect and remove cancer cells during...
How to keep dairy cows cool in summer heat?
Remarkably, a Japanese underwear maker found an answer to this question.
Liquid nitrogen for French cuisine
The system uses the natural pressure of nitrogen during evaporation according to a vertical discharge principle.
ICR2019: overview of current refrigeration research topics (part IV)
Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
A free guide for copper pipework support and routing
The IoR published a bulletin providing guidance on pipework support methods for copper pipework designed to contain refrigerant.
Cuba: The health cold chain contributes to life saving vaccination
Since 2021, Cuba has renewed its cold chain equipment at around 70 percent of its vaccination sites and acquired a cold storage chamber.
Record: heat pump less than 10 g of propane per kW
German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of refrigerant.
Reduce refrigerant leaks in supermarkets
Refrigerant leaks are a recurring problem, particularly in the commercial refrigeration sector. An American initiative aims to identify the main causes of leaks and to propose solutions to reduce...
IIR news
27 results
IIR advocates for sustainable air conditioning solutions at HBRC event in Cairo
IIR played a prominent role in the HBRC International Conference held in Cairo from 14 to 17 December 2024. Its representatives led discussions on sustainable air conditioning, emphasising its technical and...
IIR member news: STEF to acquire Ebrex France
STEF takeover warms up.
The long awaited ICR2015 is underway!
Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.
First meeting of the IIR Working Group on Refrigeration Safety
During the Gustav Lorentzen conference in Valencia (Spain), the IIR Working Group “Refrigeration Safety”, chaired by Alexander Cohr Pachai, held its first meeting.
Experience the unforgettable in Japan at ICR2015: It’s not just about refrigeration, it’s also about fun!
ICR2015: Discover the plenary speakers, technical tours, and popular tours and activities
The 2025 Conference on Low-Emission Refrigeration and Refrigerant Substitution Held Successfully in Foshan, Guangdong
From 26 to 28 October 2025, the Conference on Low-Emission Refrigeration and Refrigerant Substitution was successfully held in Foshan, Guangdong.
Download the latest technical papers from the IIR Cryogenics Conference
Held on 8-11 April this year, the 15th IIR Cryogenics Conference welcomed over 120 guests from more than 22 countries.
Download the IIR Seminar on the Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries presentations
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).
Cryotherapy is going well!
Report of the IIR Deputy Director General, Ina Colombo, on the 3rd IIR Conference on Cold Applications in Life Sciences which was held in St Petersburg in Russia.
New challenges in “Cold Applications in Life Sciences"
Following the 2nd IIR Workshop on "Cold Applications in Life Sciences", Ralf Herzog, President of IIR Section A, has summarized key information in this field, in a new thematic file that you can find on the IIR website.
Training and courses: New material available on the IIR website
A new course on cogeneration has just been added to the "Courses and Training" section of the IIR website.
Highlights of AFF's Journée Fluides 2024 and Vœux du Froid 2025
Find out about the highlights of “Journée Fluides 2024” and get ready for “Vœux du Froid 2025”, two key events organised by the French Association of Refrigeration (AFF) for professionals and partners in the...
The essential role of refrigeration in the combat against COVID-19
Statement of the International Institute of Refrigeration calling governments to consider refrigeration-related services as “essential services” in the context of the current health crisis due to COVID-19.
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...
International collaboration: The key to a prosperous future in refrigeration
The IIR puts its international network into action for the benefit of all.
Encyclopedia of Refrigeration
10 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...
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...
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...
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 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...
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...
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...
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...
Events
2 results
Other event
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,...
Find out more
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Register...
