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IIR document
Multi-objective optimization of cooling capacity and input power of precooled JT cryocooler working at liquid helium temperature.
Study on the method of improving the input power of the linear compressor in a high capacity pulse tube cryocooler.
Recent progress in compact, low power cryocoolers.
Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirlingtype pulse tube cryocooler without external precooling.
Essential improvement of the JT cryocooler working at liquid helium temperature for space: Efficient and lightweight.
Performance investigations on 10W/60 K high-capacity, light-weight single-stage pulse tube cryocoolers for space applications.
Computational fluid dynamics modeling and experimental verification of a Stirling-type pulse tube cryocooler with a cooling capacity of 700 W at 77 K.
Cooling power determination by measuring the adsorbed vapor mass variations: comparison of mass adsorption cooling power correlation and external fluid loop power measurement.
Performance analysis on a variable capacity swash plate compressor.
Power regeneration upgrading of vapour compression refrigeration plants.
Cooling capacity control for multi-evaporator vapor compression systems.
Porovnání ruzných modelu výpoctu rocní produkce tepla solárních kolektoru.
Comparison of different models for calculating the annual heat output of solar collectors.
A study of “OVAL” scroll compressor for capacity increase.
A novel automated heat-pipe cooling device for high-power LEDs.
Efficient modulation of the magnetocaloric refrigerator capacity.
Refrigeration sector monitoring
119 results
World’s most powerful MRI machines push the limits of human imaging
Latest MRI machines, developed in the US and in France and designed to operate under ultra-high magnetic strength thanks to giant superconducting magnets, should notably allow major advances in the understanding of neurological diseases.
LHC season 3: cryogenic cooling system upgrade
The particle accelerator returned to service in 2022 after numerous improvements, including an increase in cryogenic cooling power at point 4.
Energy savings in a milk plant through permanent magnet speed motors (en français)
A Belgian milk plant reduces by 18 to 21% the necessary energy for cooling through permanent magnet speed motors. (en français)
Cryogenics 2021 highlights: applications of liquid nitrogen
Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...
Novel energy-saving cryogenic equipment for walnut kernel peeling
In a recent study, a prototype cryogenic equipment was designed to peel walnut kernel more efficiently than by immersion in liquid nitrogen.
Rare earths for spatial measurements.
Researchers from ECA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.
Successful test of a dilution refrigerator for quantum computers
IBM scientists have succeeded in cooling a quantum computer chip to a temperature of 25 mK using a large-scale dilution refrigerator.
CERN’s LHC on a hunt for Higgs boson
Two experiments led at CERN, ATLAS and CMS, attempt to discover data hinting at the existence or non-existence of the Higgs boson, a particle which is crucial to the Standard Model in physics.
Out of the ordinary: ATLAS LEGO® model
As part of an outreach project at the Niels Bohr Institute Sascha Mehlhase recently designed and built a model of the ATLAS experiment in LEGO® bricks. It illustrates all details, from the muon and magnet system to the innermost pixel...
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...
A new cooling technique for superconducting cavities of particle accelerators
A team of researchers is developing a new method to cool the superconducting cavities of particle accelerators, which could make them more compact.
A new tiny satellite cooling system
Lockheed Martin makes tiny satellite cooling system which is three times more powerful.
Record low temperatures for more reliable quantum computing
Researchers at Chalmers University of Technology, Sweden, and the University of Maryland, USA, have engineered a new type of quantum refrigerator, improving upon the performance of the currently used dilution...
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...
Changes in the use of cryogenic propellants in space
Near-term exploration beyond low Earth orbit will require the use of cryogenic propellants and in-space cryogenic propellant storage durations will exceed our current capabilities by at least two orders of magnitude. This will require the...
IIR news
32 results
Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system
Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.
Member news: Linde to develop cryogenic cooling solutions for quantum computers
Linde, corporate member of the IIR, partners with Bluefors to develop cryogenic cooling solutions for quantum computing technology.
Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany
Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.
Philippe Lebrun received the Mendelssohn Award.
Philippe Lebrun, President of the IIR’s General Conference, received the prestigious Mendelssohn Award conferred by the International Cryogenic Engineering Committee on March 11, 2016.
IIR member news: Linde
Linde Kryotechnik cryogenic company has developed a groundbreaking refrigeration system used to cool extreme temperatures in an experiment to create fusion fuel.
Member news: latest innovations from Mirai Intex
The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution.
ERC Grant Awarded to Steffen Grohmann for Advancing Cryogenic Technology
Steffen Grohmann, President of IIR Commission A1, receives an advanced grant from the European Research Council for his innovative cryogenic technology project: GRAVITHELIUM, a key technology for the Einstein...
Cryogenics 2023 : Call for abstracts extended to October 30!
There's still time to submit an abstract to the IIR Cryogenics 2023 conference to be held in Dresden (Germany) on April 24 to 28, 2023.
News from IIR members: Linde
Linde has launched CRYOLINE XF, a new cryogenic spiral freezer, which uses advanced cross-flow technology to reduce freezing time and improve cryogen efficiency, while reducing overall freezer size.
IIR member news : Linde
The CSG-4 snow generator allows to generate snow on demand or via programming and is claimed to offer a cost effective and safe alternative to dry ice pellets.
News from IIR members: Communauté Urbaine de Dunkerque
During a meeting at the IIR on May 30, 2011, several persons from Communauté Urbaine de Dunkerque (Dunkerque Urban Community) (a benefactor member of the IIR) presented the launching of an Institute of Low-Temperature Technology (Innocold).The...
Call for abstracts now open: Cryogenics Conference 2021
The Programme Committee of the 16th IIR Conference on Cryogenics kindly invites authors to submit their abstracts by February 10, 2021!
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.
IIR member news: A new BSRIA study on the global compressor market
A recent study by BSRIA shows that sales of refrigeration compressors in 2022 are expected to reach 502 million units with a value of USD 48.6 billion, up 15% year-on-year.
Member news: GEA implements an innovative high-temperature heat pump at a Tiense Suiker production site
GEA has developed a high-temperature industrial heat pump utilising heat recovery, with reduced emissions.
Encyclopedia of Refrigeration
6 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 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...
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...
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...
