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A luminance-based approach for inferring personal daylight preferences using a new composite similarity index.
IIR document
Accurate determination of viscosity and surface tension of binary mixtures of R1234YF and R32 under saturated conditions by surface light scattering.
Thermal cooling multichip ultra high power LED using refrigeration cycle system.
Investigating time-based glare allowance based on realistic short time duration.
Daylight glare probability measurements and correlation with indoor illuminance in a full-scale office with dynamic shading controls.
A new control framework for the visual environment based on low-cost HDR luminance acquisition.
Effect of energy-saving lamps on air-conditioning load business-related building.
Mutual diffusivities of difluoromethane and 2,3,3,3-tetrafluoropropylene dissolved in polyalkylene glycol lubricant.
Optical refrigeration on CdSe/CdS quantum dots.
A global method for efficient synchronized shading control using the "effective daylight" concept.
Development of a new framework for daylighting simulation with dynamic shading devices.
Thermal diffusivity measurements of R1234yf and R1234ze(E) under saturation conditions using dynamic light scattering method.
Daylight glare evaluation when the sun is within the field of view through window shades.
Simulation-based energy and daylighting impact assessment of integrated shading devices and lighting controls in commercial buildings.
Light Gradient Boosting Machine (LightGBM) to forecasting data and assisting the defrosting strategy design of refrigerators.
Refrigeration sector monitoring
17 results
New IIR figures highlight the role of the refrigeration sector
On the occasion of the upcoming publication of two new Informatory Notes, the IIR has established new figures illustrating the importance of the refrigeration sector.
Lighting systems for cold stores
Various types of lighting exist for below 0°C temperature cold stores including mercury vapor (MV) lamps, high pressure sodium (HPS) and light-emitting diodes (LED).
Do aliens use CFCs?
What if the search for extra-terrestrial life took a new turn? A grant recently awarded to a team of scientists will finance research for "technosignatures", which would include CFCs.
Cool like a butterfly wing
New study demonstrates that butterfly wings contain a network of living cells with specific thermodynamic and thermoregulatory properties. Butterfly wings cool down as a result of low solar absorption combined with efficient radiative heat...
Radiative cooling: protecting ice from melting under sunlight
Researchers have developed a biodegradable film made of cellulose acetate which, thanks to its radiative cooling properties, effectively protects ice subjected to solar radiation from melting, with possible...
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...
Unprecedented images from the centre of our galaxy
The James Webb Space Telescope shows images of the centre of the Milky Way, thanks to its state-of-the-art infrared detectors, which need to be cryogenically cooled to operate...
Radiative cooling coatings that can adapt to the seasons
A novel material can be used as a coating on building’s rooftops or windows to provide radiative cooling in the summer without overcooling in the colder months.
Quantum refrigerators: research is making progress
Two recent studies illustrate the progress of research on quantum refrigerators. Cooling applications for microelectronic compounds could be considered.
Radiative cooling: smart materials to switch from heating to cooling
Researchers have developed a radiative thermal management device, composed of several layers of reflective/absorbent materials, capable of switching between heating and cooling...
White paint reduces air conditioning demand
A team of researchers has developed a radiative cooling paint that keeps surfaces more than 1.7 °C cooler than their ambient surroundings (at noon).
Producing ammonia using less energy
Scientists at the Tokyo Institute of Technology have developed an improved catalyst facilitating the synthesis of ammonia at merely 50°C (when conventional techniques require temperatures of 450°C).
Squid skin inspires research on next-generation space blanket
Next-generation space blankets could be made of a thermoregulatory material inspired by the functioning of squid skin, which changes color.
Visualization of artificial proteins with cryo-electron microscopy
A team of researchers managed to visualize the atomic structure of peptoids.
Is this the final run in the quest for the Higgs Boson?
In March 2012, physicists from Fermilab’s Tevatron collider near Chicago announced that data collected could suggest the existence of the Higgs boson. Furthermore, the results coincide with the Large Hadron Collider (LHC) results released by CERN...
IIR news
21 results
IIR Conference overview: 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants - TPTPR2017
With over 150 participants from 12 countries, the 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants featured 85 technical presentations, including six plenary keynote lectures.
Alex Cohr Pachai's Presentation at IOR TechTalk in London
We are excited to announce that Alex Cohr Pachai, a distinguished expert in refrigeration technology, will be leading the next IOR TechTalk.
ATMOsphere MAC Summit 2024 x TU Berlin: natural refrigerants for mobile air conditioning and heat pumps
On 12 and 13 September 2024, the ATMOsphere MAC Summit 2024 was held in Berlin, co-organised with the Technical University of Berlin (TU Berlin).
See you at the 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants 2024
The next IIR-Gustav Lorentzen conference will take place from 11 to 14 August 2024 at the University of Maryland - College Park (Maryland), USA.
26th International Congress of Refrigeration: A Remarkable Success
The 26th International Congress of Refrigeration (ICR), held on August 21-25, 2023, left an indelible mark on the world of refrigeration, serving as a resounding success with the active participation...
Ozone to Cool Zone: IIR Workshops at COP 28
Join the five IIR workshops at COP28 set to highlight innovative refrigeration solutions for a sustainable future.
Expo Froid - A public exhibition dedicated to refrigeration
From December 5, 2017 to September 16, 2018 a staggering 250,000 visitors explored the “Expo Froid” (Cold Exhibition) at the Cité des Sciences et de l'Industrie.
Refrigeration Safety Working Group Congress meeting
Refrigeration Safety Working Group Congress meeting ICR 2019 offers opportunities for industry experts to meet and discuss improvements in refrigeration safety. With the upcoming...
Your invitation: United Nations Food Systems Summit 2021
The UN has invited the Director General of the IIR to present key data from two of its Informatory Notes during the Food Systems Summit 2021 to take place on September 20.
Healthcare ColDays 2022: innovations in refrigeration and health
The French Association of Refrigeration (Association Française du Froid) is organising a day dedicated to the latest technical and scientific developments in the field of refrigeration and health on 26 April...
Watch our side event at COP27
COP27 will mark the 30th anniversary of the adoption of the United Nations Framework Convention on Climate Change.
Highlights from COP13/MOP36 – Day 4
Today, at COP13/MOP36 in Bangkok, high-level discussions continued as delegates, scientists, and policy leaders gathered with renewed urgency to protect the ozone layer and address climate...
Join our second Webinar on Walk-In Cold Rooms on June 11!
Book your seat! Register to the second webinar in our '"Cool Insights" series highlighting the use of walk-in cold rooms for precooling and storage of fresh produce in the Global South.
IIR launches Best Student Paper Competition at ICR 2019
Open to students up to Master’s level (plus one year), the IIR Best Student Paper Competition will give a unique opportunity to not only to bring to the limelight the work achieved by today’s future talents, but also to emphasise the importance...
15th IIR-Gustav Lorentzen Conference, June 13-15, 2022: the detailed programme is now available!
The detailed program of the 15th IIR Gustav Lorentzen Conference on Natural Refrigerants is now available online.
Encyclopedia of Refrigeration
1 result
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...
