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Recommended by the IIR

Geometric optimisation of a coupled vane compressor.

• Author(s) : CHEN Q. J., OOI K. T.
• Publication date: 2021/09
• Languages : English
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

Performance prediction and optimisation of twin-screw expander.

• Author(s) : VIMALAKANTHAN K., READ M., KOVACEVIC A.
• Publication date: 2020/07/31
• Languages : English
• Source: IIR Rankine Conference 2020.
• Formats : PDF

Optimisation of expansion liquefaction processes using mixed refrigerant N2–CH4.

• Author(s) : DING H., SUN H., HE M.
• Publication date: 2016/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 93

IIR document

Shape optimisation of a two-phase ejector for CO2 refrigeration systems.

• Author(s) : PALACZ M., SMOLKA J., NOWAK A. J., et al.
• Publication date: 2017/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 74
• Formats : PDF

IIR document

Technoeconomic optimisation of systems for liquefaction and purification of captured CO2.

• Author(s) : PEDERSEN R. C., ROTHUIZEN E., OMMEN T., JENSEN J. K.
• Publication date: 2023/08/21
• Languages : English
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Optimisation of a packed particle magnetocaloric refrigerator: A combined experimental and theoretical study.

• Author(s) : ADAPA S. R., FENG T., IHNFELDT R. V., CHEN R.
• Publication date: 2024/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 159
• Formats : PDF

IIR document

Integral optimisation of a magnetocaloric air-conditioning system for an electric vehicle.

• Author(s) : TORREGROSA-JAIME B., PAYÁ J., CORBERÁN J. M.
• Publication date: 2016/09/11
• Languages : English
• Source: 7^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
• Formats : PDF

IIR document

Refrigerant charge optimisation for propane heat pump water heaters.

• Author(s) : GHOUBALI R., BYRNE P., BAZANTAY F.
• Publication date: 2017/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• Formats : PDF

CFD-based shape optimisation of a CO2 two-phase ejector mixing section.

• Author(s) : PALACZ M., SMOLKA J., KUS W., et al.
• Publication date: 2016/02/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 95

Recommended by the IIR / IIR document

Optimising a supermarket refrigeration system with heat recovery to minimise operational costs.

• Author(s) : STEUER D., JOSEFSSON F., ARIAS J., SAWALHA S.
• Publication date: 2023/08/21
• Languages : English
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

Optimización de centrales frigoríficas de CO2 transcrítico basada en los parámetros operativos en tiempo real.

Optimisation of transcritical CO2 refrigeration systems according to real-time operating parameters.

• Author(s) : GARCIA JIMENEZ M. J., RUIZ RUIZ A., EXPÓSITO CARRILLO J. A.
• Publication date: 2020/11/11
• Languages : Spanish
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Optimisation of expansion valve control in small refrigeration appliances under cyclic operation.

• Author(s) : BEEK M. van, JONG H. D.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Optimisation of industrial oil-flooded screw compressor: A comparative analysis of conventional and soft computing approaches.

• Author(s) : KUMAR A., KOVACEVIC A., PONNUSAMI S.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

An application of the artificial neural network to optimise the energy performances of a magnetic refrigerator.

• Author(s) : APREA C., GRECO A., MAIORINO A.
• Publication date: 2017/10
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
• Formats : PDF

IIR document

Numerical optimisation of a cold energy storage accumulator for thermosiphon application in vapour compression refrigeration systems.

• Author(s) : YEDMEL M. A., GBEHE E., LEDUCQ D.
• Publication date: 2024/06/11
• Languages : English
• Source: 8^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
• Formats : PDF

A British data centre is saving money thanks to thermal optimisation

A leading UK data and telecoms provider claims to have saved over £115,000 (€132,000) in cooling energy costs in a few months.

• Publication date : 2018/01/29

Food cold chain optimisation

An Australian report focuses on the improvement of temperature monitoring in the food cold chain to enhance energy productivity.

• Publication date : 2017/08/11

Optimisation of a heat pump for satellite cooling

Satellites are deployed into near earth orbit in order to provide a platform for a wide range of missions, including telecommunications systems, surveillance systems and astronomical systems.These systems have seen a large increase in...

• Publication date : 2015/06/19

Revolutionising refrigeration: design and optimisation of a rotary magnetic domestic refrigerator

The International Institute of Refrigeration is pleased to highlight a study that advances the field of solid-state refrigeration. Researchers from the University of Genoa, Italy, have developed and optimised a...

• Publication date : 2025/09/17
• Subjects: Technology

Renewables represent 87% of energy consumption in EU data centres

One third of EU data centres were surveyed by the European Commission as part of a technical report showing a strong commitment to using renewable energy, although further optimisation and investment efforts are...

• Publication date : 2025/12/11
• Subjects: Figures, economy

Reducing the economic costs of a direct-use geothermal heating system

Italian researchers have modelled a polymer heat exchanger to reduce the cost of a direct-use geothermal heating system for a single building in the active volcano district of the...

• Publication date : 2022/02/21
• Subjects: Technology

A magnetocaloric air-conditioning system for an electric vehicle

Summary of a paper presented during the 7th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII), available in Fridoc.

• Publication date : 2017/02/07

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...

• Publication date : 2023/04/26
• Subjects: Technology

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. 

• Publication date : 2023/05/26
• Subjects: Technology

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.

• Publication date : 2021/12/15
• Subjects: Technology

Refrigerated containers: state of play and perspectives

Refrigerated containers play an essential role in the maritime refrigerated transport sector; a look back at the stages of their development and the recent and future technological advances of this...

• Publication date : 2024/02/26
• Subjects: Technology

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,...

• Publication date : 2022/04/29
• Subjects: HFCs alternatives, Technology

ICCC2020 highlights: Benefits of IoT technologies for cold chain management

Internet of Things and cloud services are promising solutions for smart management and maintenance of the multiple cold rooms of supermarket chains.

• Publication date : 2020/10/22

IIR Rankine Conference 2020: Which alternative working fluids for ORC systems?

HFOs (hydrofluoroolefins), HCFOs (hydrochlorofluoroolefins) and hydrocarbons were the main alternatives to HFC245fa presented during the IIR Rankine Conference 2020.

• Publication date : 2020/09/04
• Subjects: HFCs alternatives

IIR GL2020 conference: Range of CO2 applications

Almost half of the presentations at the IIR Gustav Lorentzen conference in Kyoto focused on CO2, in commercial refrigeration systems but also in many other applications. Overview of these...

• Publication date : 2021/01/26
• Subjects: HFCs alternatives

A date with Cold Chain Forum in Paris!

Cold Chain Forum is waiting to meet you on October 23 & 24 2013 at la Grande Halle de la Villette, in Paris.

• Publication date : 2013/09/18

Join the FRISBEE Demonstration Day!

On August 29, 2014, for the official closing of FRISBEE, the consortium will hold a “FRISBEE Demonstration Day”

• Publication date : 2014/07/30

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...

• Publication date : 2022/10/27

Member News: New Intermarché Store in Central Paris Equipped with Epta’s “Integral” Refrigeration Systems

The integration of compact, self-contained refrigeration units demonstrates the adaptability of modern cooling technologies in urban and architecturally sensitive environments.

• Publication date : 2025/07/28
• Subjects: Technology

IIR publishes a new Technical Brief: Cooling technologies for sustainable data centres

Authored by leading IIR experts in energy and power engineering, this publication offers a comprehensive exploration of innovative cooling solutions designed to meet the escalating...

• Publication date : 2025/01/28
• Subjects: Technology

Epta introduces new ‘Alba’ refrigeration units featuring optimized airflow and R290 technology

The development of a new technical configuration within refrigeration display units has led to improved energy efficiency through optimised air flow.

• Publication date : 2025/11/20

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

The IIR launches the best student paper competition at ICR 2023

Open to students up to Master’s level (plus one year) from engineering schools, universities or any other comparable higher education institution, the submitted work may focus on any technical area covered by...

• Publication date : 2022/04/28
• Subjects: General information

IIR Launches Call for Publication Chair, Lead Authors and Contributors for the Global Refrigeration Outlook

Paris, February 9th, 2026 – The International Institute of Refrigeration (IIR) announces the launch of a global call for a Publication Chair, Lead Authors, and Contributors for its forthcoming flagship...

• Publication date : 2026/03/04
• Subjects: Figures, economy

IIR participation at the China Refrigeration Expo 2026

The 37th International Exhibition for Refrigeration, Air-Conditioning, Heating and Ventilation, Frozen Food Processing, Packaging and Storage (China Refrigeration Expo 2026 – CHR 2026) took place from 8 to 10...

• Publication date : 2026/04/17

OEWG-47 Side Event Highlights Urgent Need for Sustainable Cooling in Data Centres

The Climate and Clean Air Coalition (CCAC) and the International Institute of Refrigeration (IIR), with support from UNEP United for Efficiency (U4E), brought together experts, policymakers, and industry leaders...

• Publication date : 2025/07/08
• Subjects: General information

Press release: The International Institute of Refrigeration appoints Professor Judith Evans as new president of Commission C2

The International Institute of Refrigeration (IIR) is proud to announce the appointment of Judith Evans, Professor at London South Bank University, as the new president of IIR Commission C2 on food science and engineering.

• Publication date : 2016/07/12

New president of IIR Commission C2 on food science and engineering

The IIR is proud to announce the appointment of Judith Evans, Professor at London South Bank University, as the new president of IIR Commission C2 on food science and engineering.

• Publication date : 2016/07/06

FRISBEE Project

The IIR is involved in a 4-year project within the context of the EU 7th Framework Programme. The objective of the FRISBEE (Food Refrigeration Innovations for Safety, consumers' Benefit, Environmental impact and Energy optimisation along the cold...

• Publication date : 2010/07/26

PhD student recruitment

PhD Studentship for 36 months for a subject concerning Magnetic Refrigeration at Room Temperature (Machines, Theory, Modelling and Experiments): We are looking to recruit a PhD student in the area of magnetic refrigeration (thermal and fluid...

• Publication date : 2010/09/30

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...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

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...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

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...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information