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Single phase flow pressure drop and heat transfer in rectangular metallic microchannels.
Flow boiling heat transfer of HFE-7000 in nanowire-coated microchannels.
IIR document
Analysis of frost thickness and roughness growth from the perspective of frost crystal structure.
Powder, process parameters and heat treatment conditions for Laser Beam Melting of LaFeSi-based alloys.
Overall surface fin efficiency and dry angle for ammonia finned tube evaporators.
Flow regimes during condensation in superheated zone.
Water boiling at low pressure: dynamics of growth and bursting of bubbles in a plate-type evaporator.
Membrane-based air dehumidification using organic ionic liquid desiccant.
Experimental and numerical investigation of a high-effectiveness cryogenic PCHE for space 80 K Brayton cryocooler.
Characterization of flow freezing in small channels for ice valve applications.
Recommended by the IIR / IIR document
Experimental investigation on flow boiling characteristics of HFO-1234yf in a 0.5 mm microchannel.
Entropy parameters for falling film absorber optimization.
A comparison between recent experimental results and existing correlations for microfin tubes for refrigerant and nanolubricants mixtures two phase flow boiling.
OPERATING BEHAVIOUR OF THIN-WALLED REFRIGERATED VEHICLES.
COMPARATIVE TESTING OF A THIN-WALL VEHICLE.
Refrigeration sector monitoring
22 results
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...
US
A new voluntary programme to reduce hydrofluorocarbon (HFCs) emissions has been set up in the US by EPA in conjunction with the Association of Home Appliance Manufacturers (AHAM). This initiative should help to reduce HFC emissions in the...
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...
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...
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...
ICR2011 highlights: cooling particle detectors
Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...
The benefits of 3D printing in refrigeration and air conditioning
The various applications of 3D printing in the field of refrigeration and air conditioning highlight possible tremendous advantages in terms of energy efficiency and cost minimisation.
Wondrwall introduces AI-controlled propane heat pump
Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.
Rack-supported freezer gives fast-growing bakery room to rise.
Vieira's Bakery selected pallet racks from Steel King company to increase its storage capacity.
Complex cooling channels support the resurgence of aerospike engines
Initially conceptualised in the 1950s, aerospike rocket engines are now being demonstrated by several start-ups, featuring AI-generated and additively manufactured complex cooling channels.
Ohrid conference highlights: ammonia refrigeration in China
Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. According to Jianji Zhang, series reciprocating compressors are currently the most widely used due to...
Passive cooling can reduce energy demand by 35 to 70% in the ASEAN residential sector
Among countries of the Association of Southeast Asian Nations (ASEAN), a study showed that integrating passive cooling strategies into building design can reduce cooling energy...
Incorporating PCMs in buildings material for energy conservation
The incorporation of PCMs in building materials is particularly interesting since it permits thermal storage to become a part of the building structure and is completely passive.
Plans to save Grimsby Ice Factory
An irreplaceable piece of industrial refrigeration history is endangered
Grimsby ice factory preservation plans
Some of the historic ice-making equipment in the derelict Grimsby Ice Factory is to be removed in planned remedial work to prevent further damage to the crumbling building.
IIR news
9 results
Job Opening - Senior Cooling Project Manager
The IIR is seeking a highly experienced and strategic Senior Cooling Project Manager to lead and coordinate international development projects focused on sustainable cooling and refrigeration, emissions...
Call to Action for World Refrigeration Day 2020
In coordination with many supporting associations and companies worldwide, the International Institute of Refrigeration (IIR) is launching a Call to Action for World Refrigeration Day 2020.
HFO 2023: Call for abstracts extended until September 30!
The call for abstracts for the 2023 IIR Conference on HFOs, to be hosted by the Chinese Association of Refrigeration (CAR), has been extended to September 30, 2022!
News from IIR members: Alfa Laval
Two major Belgian supermarket chains have recently ordered Alfa Laval's air gas coolers, and three of them have already been installed. Both supermarkets were specifically searching for cooling systems compatible with CO2 to reduce their energy...
Submit your abstracts to the 3rd IIR Conference on HFO Refrigerants and Low GWP Blends
To be organised by the Chinese Association of Refrigeration (CAR), the call for abstracts for the 2023 IIR Conference on HFOs has now been launched. Submit...
We are hiring a technical project manager
The IIR is involved in diverse projects supporting academia and countries. The candidate will support the IIR projects department, and will develop and secure new projects for the IIR and ensure that they are...
The IIR with the World Bank in West Bengal
The IIR is a key partner in the World Bank’s project on the Inland Waterways Transport (IWT) integration into the cold chain in West Bengal
ENOUGH – a new project that will identify how food industry can become net zero by 2050
The project will develop technologies, tools and methods to contribute to the EU’s farm to fork Strategy to achieve climate neutrality in the food industry.
We are hiring a Membership Strategy & Development Officer
About us IIR is an intergovernmental organisation fostering collaboration and enhancing knowledge on...
Encyclopedia of Refrigeration
7 results
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...
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...
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...
For IIR members only
Heat pump stock in Europe
This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.
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...
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...
