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Simulation et caractérisation du comportement énergétique des machines frigorifiques à absorption simple effet (couple Eau/LiBr).
Simulating and characterizing the energy behaviour of single-effect absorption refrigerating machines (lithium bromide-water mixture).
IIR document
Experimental characterization of a water/LiBr horizontal tubes falling film absorber using an ionic liquid as additive.
Experimental evaluation of a variable effect LiBr–water absorption chiller designed for high-efficient solar cooling system.
Experimental study of nucleate pool boiling heat transfer of water on silicon oxide nanoparticle coated copper heating surface.
Unusual boiling characteristics due to subatmospheric pressure in the context of sorption systems.
Preliminary experimental investigation on water boiling phenomena in a liquid layer at subatmospheric pressure.
Pool boiling of ammonia-water and its pure components: comparison of experimental data in the literature with the predictions of standard correlations.
Crystallization inhibitors for water/LiBr absorption chillers.
Heat exchanger development for compact water-LiBr absorption systems.
Thermoeconomic optimization of a single effect water/LiBr vapour absorption refrigeration system.
Experimental performances of a LiBr-water absorption facility equipped with adiabatic absorber.
Pool boiling heat transfer in binary mixtures of ammonia/water.
Optimal design of compact horizontal tube LiBr/water absorbers.
Performance analysis of combined microgas turbines and gas fired water/LiBr absorption chillers with post-combustion.
Dynamic simulation of a double-effect parallel-flow LiBr-water absorption chiller.
Refrigeration sector monitoring
32 results
Latest news about regulation in Europe
The European “F-gas” Regulation and the EN 378 standard are currently being revised at European level. Latest news on these two flagship texts.
The impact of humidity on global demand for cooling energy
Recent studies have highlighted the countries most affected by the need to adapt to rising temperatures. Assessing the impact of humidity on perceived temperatures also stresses out...
Applications of Artificial Intelligence to refrigeration systems
AI techniques, which are currently very topical, are the subject of intense research and development. Overview of their applications and benefits in the refrigeration sector, based on the latest articles...
A refrigeration system to produce freshwater in arid areas
A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...
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...
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...
Optimising cold storage to boost antioxidants and anthocyanins in blood oranges
A study by the University of Florida found that storage temperatures ranging from 6 to 12 °C significantly enhance anthocyanin, phenolic content, and antioxidants content in in ‘Budd...
Road to COP28: Energy efficiency, the key to sustainable cooling in Africa
According to Francis Sempore, director of ECREEE, energy efficiency is a key sustainability issue that needs to be promoted, funded and supported through the implementation of...
For IIR members only
EU reports shortage of RAC technicians
In the latest edition of the labour shortages and surpluses report, the European Labour Authority identified 11 countries with severe shortage of air conditioning and refrigeration...
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).
Revision of EU F-Gas Regulation sparks debate
The European Parliament’s recent tougher proposals on heat pumps and air conditioners have provoked many reactions.
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...
Latest IGU report: alarming gas-to-coal switching requires low-carbon solutions
The International Gas Union (IGU) assesses the global natural gas trade in 2020-21 in a report released in May 2022. The report also discusses the need for long-term alternatives to natural gas to reduce...
LNG, a pillar of EU gas supply diversification
Given the geopolitical context, the EU has presented a plan to phase out its dependence on fossil fuels from Russia well before 2030 and, in particular, to reduce its imports of Russian gas by two thirds by the...
ICR 2019: an overview of current refrigeration research (part I)
Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.
IIR news
35 results
IIR website: best downloads in 2022
Discover the three most popular IIR publications in 2022. The focus is on the economy, women in refrigeration, and the carbon footprint of the cold chain.
IIR website: most downloaded publications in 2023
Discover the three most popular IIR publications of 2023. The focus is on the carbon footprint of the cold chain and cold rooms!
The IIR brings women in refrigeration to the forefront
Discover the reasons why the IIR organised its first fun and informal workshop on “Women in Refrigeration” during ICR2015.
Press release: Publish your PhD thesis dedicated to refrigeration in the International Institute of Refrigeration Fridoc database
The International Institute of Refrigeration (IIR) references and makes available in open access on its website, PhD theses dedicated to refrigeration.
New IIR Informatory Note on evaporative cooling
The latest IIR Informatory Note highlights that evaporative cooling is an energy-efficient technology that has many applications in air conditioning but also in short-term food storage.
IIR Informatory Notes on refrigerants designed to meet the needs of decision-makers
"We felt it was important to draft a collection of Notes on the most appropriate actions to take in this field, designed to meet the needs of decision-makers in order to be better prepared for the upcoming deadlines."
Publish your PhD thesis in Fridoc!
The IIR offers as a new service, referencing and making available in open access on its website, PhD theses dedicated to refrigeration.
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!
A new technical guide on cold rooms
On the occasion of COP 28, the IIR and Efficiency for Access, with the contribution of ESMAP, have published a new guide. It aims to provide accessible and practical guidance to enable developers, owners,...
New IIR Informatory Note on passive cooling
The IIR’s latest Informatory Note demonstrates that passive cooling technologies can contribute significantly to reducing energy demand for air conditioning.
New IIR Informatory Note on automotive air conditioning
The latest IIR Informatory Note presents recent technological trends in automotive air conditioning, in particular for electric cars, and outlines the challenges in terms of energy efficiency and CO2...
New IIR Informatory Note on the carbon footprint of the cold chain
The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain.
Press release: The IIR International Dictionary of Refrigeration is now freely accessible online
Available in 11 languages, the complete version of the International Institute of Refrigeration (IIR) International Dictionary of Refrigeration is now freely accessible online.
Technical visit to the Tokyo fish market
At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...
Encyclopedia of Refrigeration
4 results
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...
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...
