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A novel analytical method for heat conduction in convectively cooled eccentric cylindrical annuli.
Phi and Psi shaped conductive routes for improved cooling in a heat generating piece.
IIR document
Cryogenic performance of a conduction cooled cryostat for hydrogen isotopes separation experiments at low temperature.
Gas cooler with reduced pipe to pipe heat conduction.
Discrete modeling of fin-and-tube heat exchangers with cross-fin conduction functionality.
Effect of flow maldistribution and axial conduction on compact microchannel heat exchanger.
Discrete modeling of fin-tube heat exchangers accounting for cross-fin conduction.
Validation of advanced fin-and-tube heat exchanger models with cross-fin conduction functionality.
A novel technique for computationally efficient consideration of cross-fin conduction in fin-and-tube heat exchanger models.
Low conductive thermal insulation pad with high mechanical stiffness.
Modeling on cryogenic heat exchangers considering variable properties, axial heat conduction and viscous heating.
Analytical solutions to counter-flow heat exchanger subjected to external heat flux and axial conduction.
Constructal design of internal cooling geometries in heat conduction system using the optimality of natural branching structures.
Numerical model calibration for composite-PCM LTES.
Mathematical modeling for heat conduction in stone fruits
Refrigeration sector monitoring
43 results
Superconducting cable for urban electricity
Part of AmpaCity project, the 1km, 10 kV high temperature ceramic-based superconductive cable is the world’s longest and the first to have been integrated into an urban electricity grid in Essen, Germany.
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.
Cryogenics 2019: NICA project aims at studying the state of matter existing shortly after the Big Bang
NICA project for a new superconducting accelerator complex in Russia attracted a lot of interest during IIR Cryogenics conference in Prague, in April 2019.
Always closer to absolute zero
NIST physicists have cooled a mechanical object to a temperature below the so-called “quantum limit.”
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...
Keeping dairy cows cool
In the University of California, Davis, new technologies are currently tested to cool dairy cows.
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.
Moving a 15m superconductive ring across the United States
Researchers from 26 institutions around the world are planning a new experiment called Muon g-2 that could influence particle physics.
Maturity level of alternative AC technologies
In a recent review article, the authors assessed air conditioning technologies in Europe according to their Technology Readiness Level (TRL).
Magnetic Resonance Imagery (MRI) for early diagnosis of Alzheimer’s disease
A microscopic Magnetic Resonance Imagery (MRI) protocol designed at CEA-I²BM enables high-resolution visualization of amyloid plaques, associated with Alzheimer’s disease, 15-20 years before the first signs of dementia and memory loss appear.
100 years of superconductivity
April 8, 2011 marked the 100th anniversary of the discovery of superconductivity by Heike Kammerlingh Onnes. Working in his lab at Leiden University on April 8, 1911, he was experimenting with the electrical...
The superconductor industry global market
The global market for superconductor technologies accounted for USD 1.8 billion in 2015 and is expected to reach USD 5.8 billion by 2022.
A possible major step in the quest of room-temperature superconductivity
Two researcher teams have just reported experiments indicating that a hydride of lanthanum compressed to 1.7 to 1.85 million bar has a critical temperature of 250–260 K (-23 – -13°C).
Refrigeration, a key player in the fight against cancer
Refrigeration technologies are an essential part of the prevention, diagnosis and treatment of several cancers.
Cryolypolysis: removing fat cells by cooling
Cryolipolysis: Fat reduction really gets under the skin.
IIR news
12 results
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: Linde
Linde Kryotechnik cryogenic company has developed a groundbreaking refrigeration system used to cool extreme temperatures in an experiment to create fusion fuel.
News from IIR members: Nestlé
Nestlé is conducting unique research with the Institute for Snow and Avalanche Research in Switzerland (SLF) with a view to identifying the main mechanisms that alter the texture and structure of ice cream.
Briefs: Philippe Lebrun is “Engineer of the Year”
Philippe Lebrun, a member of the Management Committee of the IIR and Head of Section A of the IIR (Cryology and Gas Processing), was awarded the "Prix Ingénieur de l'Année 2010" in the "Science" category, by the French magazine Usine...
Member news: Latest news from Air Liquide
Air Liquid inaugurates a low-carbon hydrogen production unit and promotes the development of helium refrigeration.
Obituary: Prof. Vesselin Tassev Kovachev
Prof. Vesselin Tassev Kovachev, past member of IIR Commission A1, passed away on 23 November 2015.
The Norwegian Royal Ambassy visit to INDEE+ educational unit in IIT Madras
To acknowledge the efforts of INDEE+, the Norwegian Ambassador Hans Jacob Frydenlund, Arvind Gopinath (Honorary Consul), Ms. Marit Marie Strand (Advisor), Mr. Vivek (Senior Advisor) and other team members...
The IIR brings you the highlights from refrigeration trade fair SIFA 2016
As an institutional partner, the International Institute of Refrigeration (IIR) participated in the 2016 edition of the Interprofessional Refrigeration and its Applications Trade Show (SIFA) for the consecutive year.
Review of F-gas regulation - IIR contribution
The IIR has responded to the European Commission consultation “Fluorinated greenhouse gases – review of EU rules (2015-20)” which aims to collect opinions and suggestions about the update of the F-gas Regulation...
Cryogenics and Low-Temperature Physics: New Horizons and Challenges
This Focus written by Ralf Herzog*, President of the IIR’s Cryophysics, Cryoengineering commission (Commission A1) for the Newsletter of the IIR is the third in a series of presentations of the activities and hot research topics handled by the...
Newsletter INDEE+ | September 2023
The latest news on the INDEE+ project.
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
Encyclopedia of Refrigeration
1 result
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
Sponsored event
4th International Workshop on Cooling System for HTS Applications (IWC-HTS 2024)
October 23, 2024 - October 25, 2024
Matsue, Japan
A co-sponsored IIR event The 4th International Workshop on Cooling System for HTS Applications (IWC-HTS 2024), sponsored by the Cryogenics and Superconductivity Society of Japan...
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