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Recommended by the IIR / IIR document
Experimental study on the performance of R290 air-water heat pump with vapor injection for cold regions.
Thermal nexus model for the thermal characteristic analysis of an open-type air-cooled induction motor
Air-to-air energy recovery equipment, 44th Informatory Note on Refrigeration Technologies.
The prospects for liquid air cold chains in India.
A frosting limit model of air-to-air quasi-counter-flow membrane energy exchanger for use in cold climates.
IIR document
Exploring a new heterogeneity index to quantify the variation of cooling rates within systems that undergo the forced-air cooling process.
Survival of Salmonella spp. on surface-inoculated forced-air cooled and hydrocooled intact strawberries, and in strawberry puree.
Air source heat pumps for cold climate applications - Recent U. S. R&D results from IEA HPP Annex 41.
Cold storage solutions for a liquid air energy storage system.
Thermodynamic analysis of regenerated air-cycle refrigeration in high and low pressure configuration.
Air infiltration into walk-in cold rooms through doors.
The Convective Heat Transfer Performance and Structural Optimization of the Cavity in Energy-Saving Thermal Insulation Windows under Cold Air Penetration Condition.
Performance evaluation of a passive chilled beam system and comparison with a conventional air system.
A novel natural draft dry cooling system with bilaterally arranged air-cooled heat exchanger.
Dynamic simulation of frost accumulation in propane air source heat pumps.
Refrigeration sector monitoring
447 results
Solar-powered modular facade capable of cooling and heating a building
In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...
AIRAH’s solar summit points the way to a sustainable future.
AIRAH’s Solar Cooling and Heating Forum, held in Brisbane in August, proved that Australia’s HVAC&R sector has the expertise and the desire to exploit solar technology.
Singapore experiments with outdoor air thermoelectric cooling
In Singapore, the terrace of a riverside restaurant and children play areas are now cooled by a solid-state thermoelectric cooling technology.
Kelvion extends its range of natural refrigerant air coolers
To drive decarbonisation by using natural refrigerants such as CO2, ammonia or propane, Kelvion has expanded its range of industrial air cooler. Kelvion is an IIR corporate member.
How to cool the nuclear reactors of the future?
Researchers at the Tokyo Institute of Technology are paving the way for cooling fusion reactors, following a historic breakthrough in nuclear fusion.
Ambient beer cooler cuts energy bills
A new ambient beer cooler, using free cooling when available, could save 40% of energy costs.
Permanent ice hotel thanks to solar cooling.
In Northern Sweden, Icehotel 365, a permanent ice hotel, opened in November 2016.
Viability of an absorption solar cooling system in an isolated school in Mexico
A recent IJR article presents a simulation of the operating strategies and the results of the first experiments following the installation of a solar thermal absorption air conditioning system, installed in an...
Cooling the ATST solar telescope
The Advanced Technology Solar Telescope (ATST), currently under construction on the Pacific island of Maui, will be the world’s largest solar telescope, able to provide the sharpest views ever taken of the solar surface
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.
France: refrigeration (excluding air conditioning) accounts for almost 11% of electricity consumption
According to the CEREN, energy production in the refrigeration sector accounts for 52 TWh in total annual electric energy consumption:
Africa’s first concentrating solar cooling system
Mobile telecommunications company MTN has launched Africa’s first Concentrating Solar Cooling System in its Head office in Johannesburg.
The importance of the Australian refrigeration and air-conditioning sector
Around 173,000 people (1.5% of the Australian workforce) are employed in over 20,000 businesses operating in the Australian RAC industry.
Solar energy and solar cooling in India
The International Solar Alliance summit held in New Delhi on March 11, 2018 provided an opportunity to highlight a few figures on solar energy in India.
HVAC-R in Brazilian market
HVAC marketing indexes have been raising for seven years. For instance, comparatively to 2008, HVAC sales tax during 2015 increased 43% on average.
IIR news
437 results
Women in the Refrigeration and Air-conditioning Industry Report
UN Environment recently published a report on the personal experiences and achievements of women working in the refrigeration and air-conditioning industry.
What do refrigeration, air conditioning and social media have in common? A lot!
In 2014, an awareness raising social media campaign by Stephen Gill praising the too often overlooked virtues and benefits of refrigeration caused quite a stir, going viral.
New IIR Informatory Note on Solar Cooling
Discover the latest IIR Informatory Note that provides a detailed analysis of solar cooling: an environmentally friendly and promising technology.
New IIR Informatory Note on solar cooling and other new publications
The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.
IJR Editorial: Solar energy, the energy of the future for refrigeration
Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...
The IIR Informatory Note on Solar Cooling published in Russian
The IIR has just published a Russian version of the Informatory Note on Solar Cooling. In addition to the English and French versions, other notes have recently been published in Chinese, Russian and Spanish...
World Refrigeration Day 2021: Join the “Cool Careers” webinars
Save the date! Participate in a World Refrigeration Day webinar in June.
Register for Free: 51st International HVAC&R Congress and Exhibition
This event brings together representatives from all professions involved in the planning, construction and installation of energy systems in buildings.
Highlights from the 52nd International HVACR Congress and Exhibition
The opening ceremony of the 52nd International HVACR Congress and Exhibition was led by the President of the Association for HVAC and by the Vice President of the Serbian Union of Mechanical and...
The International Dictionary of Refrigeration is now accessible online
Previously only available in paper format and in just 5 languages, the complete version of the International Dictionary of Refrigeration is now accessible on our website.
Consult our two professional refrigeration directories: Expertise and Laboratories
Thanks to its international network, the IIR has developed two professional directories covering all fields of refrigeration; the IIR Expertise Directory and the Laboratory Directory.
3rd International Conference “Refrigeration and Cryogenic Engineering, Air Conditioning and Life Support Systems”
The 3rd International Conference “Refrigeration and Cryogenic Engineering, Air Conditioning and Life Support Systems”, supported by the IIR took place in Moscow on November 19-20, 2019 at the Bauman University.
Now freely accessible: The IIR International Dictionary of Refrigeration
Now available in 11 languages, the complete version of the IIR International Dictionary of Refrigeration is freely accessible online!
Download the new IIR Informatory Note on Solar Cooling
Solar cooling may have a very positive environmental impact reducing the usage of fossil fuel, and the technology is almost mature enough to compete with conventional cooling equipment.
The IIR remains a key partner in European refrigeration projects
In line with its international activities, the International Institute of Refrigeration (IIR) is currently a partner of three European research projects focused on very distinct areas of refrigeration technology.
Encyclopedia of Refrigeration
15 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...
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...
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.
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...
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...
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...
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...
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...
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Events
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Sponsored event
20th International Refrigeration and Air Conditioning Conference at Purdue
July 15, 2024 - July 18, 2024
West Lafayette, IN, United States
A conference co-sponsored by the IIR Since 1972, Herrick Labs has hosted the premier international conferences on Compressor Engineering, Refrigeration and Air-Conditioning, and...
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IIR event
Cool Insights Webinar: Estimating Cooling Demand and Electrical Power Demand of Walk-In Cold Rooms (2/2)
June 11, 2024
Register today! Tuesday, June 11, 2024 | 3:00pm - 4:30pm CET Off the back of the...