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Thermal charging rate of composite wax-expanded graphite phase change materials.
Evaluating effects of building envelope thermal loads on energy use and thermal comfort for a bedroom TAC system.
IIR document
Real-time thermal load calculation by automatic estimation of convection coefficients.
Ice thermal energy storage (ITES) for air-conditioning application in full and partial load operating modes.
Numerical and experimental study on heat transfer characteristic and thermal load of the freezer gasket in frost-free refrigerators.
Implementation of fuzzy control in a domestic refrigerator considering the influence of the thermal load.
Injector refrigerant circulation for enhancing heat efficiency of air coolers with uneven heat load distribution.
Experimental investigations on the performance of mini-channel evaporator refrigeration system for thermal management of power batteries.
Groupe frigorifique et charges thermiques externes. Intérêt de la variation électronique de vitesse.
Refrigerating unit and thermal loads: The benefits of electronic speed regulation.
Solar irradiance modelling and uncertainty on building hourly profiles of heating and cooling energy needs.
A case study on the application of phase-change materials in buildings.
A united WRF/TRNSYS method for estimating the heating/cooling load for the thousand-meter scale megatall buildings.
Mathematical model of the conditioned room taking into account non-stationary external and internal heatmoist loadings.
[In Ukrainian. / En ukrainien.]
Effect of confinement on the heat load of built-in refrigerators.
Experimental investigation on the performance of a novel single-driving integrated pump and compressor system for electronic cooling.
Refrigeration sector monitoring
100 results
Reflecting material to reduce heat loads
Engineers at Stanford University reported that they have invented a mirror-like material capable, not only of reflecting 97% of sunlight thus reducing incoming heat, but also radiating heat outside of the buildings.
Heat pumps a promising way to extend electric vehicles' range
Two articles recently published in the International Journal of Refrigeration highlight heat pumps – especially with integrated desiccant – as a promising way to extend the range of electric vehicles.
Efficiency of ground source heat pump systems
Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...
Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather
In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.
Cooling solutions for hybrid electric aircraft
The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...
Overview of data center cooling technologies
The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...
IIR 2023 conference in Ohrid: focus on CO2 heat pumps
As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles.
The expansion of refrigeration applications of Thermal Energy Storage and PCMs
Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...
R1234yf as a working fluid in Organic Rankine Cycle systems
A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
5th generation district heating and cooling networks in Europe
A recent generation of district heating and cooling networks is developing in Europe, using low temperature renewable energy heat sources (such as shallow...
Applications of artificial intelligence to refrigeration plants
A paper from the IIR TPTPR conference presents the energy performance and maintenance benefits of 19 refrigeration plants using artificial intelligence techniques.
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.
The benefits of thermal energy storage for cold chain applications
Several presentations at the IIR ICCC 2022 conference focused on the potential applications of Thermal Energy Storage (TES) and Phase-Change Materials (PCMs) and highlighted the...
Refrigerated transport: innovations and challenges for sustainability
Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...
Mini containers, an energy-efficient solution for small farmers?
To benefit small growers, a team of researchers investigated the concept of mini containers that would consume less energy and produce fewer GHG emissions than conventional full-size...
IIR news
31 results
Heat pumps, the central theme of the recent IIR Congress
An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...
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.
New IIR Informatory Note on Renewable Energy
The latest IIR Informatory Note stresses that renewable energy sources can be considered practically inexhaustible and are currently the only solution for an ecological transition to clean...
New IIR Informatory Note on Air-source heat pumps for space heating and cooling
The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.
Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems
Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.
A new version of the ATP Agreement
The new version on the international carriage of perishable foodstuffs and on the special equipment to be used for such carriage became effective from 30 September 2015. The IIR was involved in this process thanks to its Commission D2...
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...
Two new IIR Informatory Notes on Energy Recovery!
The IIR has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy Recovery Equipment.
The IIR publishes two new IIR Informatory Notes on Energy Recovery!
The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...
IJR among 10 most influential publications in Thermal Sciences
According to the 2024 Google Scholar Metrics ranking, the International Journal of Refrigeration ranks among the top 10 most cited publications in the thermal sciences...
The IIR at the heart of magnetic refrigeration
Magnetic refrigeration technology proves more alluring than ever: conferences, workshops and research projects continue to make waves.
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...
Discover the 33rd IIR Informatory Note on "Cogeneration/Trigeneration"
This Informatory Note discusses the operating principles of cogeneration and trigeneration as well as their advantages and challenges.
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.
Spotlight on Commission B2: at the forefront of refrigerating equipment
Coordinated by the IIR Science and Technology Council, Commission B2 focuses on promoting knowledge of refrigerating equipment technologies and their applications worldwide.
Encyclopedia of Refrigeration
7 results
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...
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...
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...
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...
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...
