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Expérimentation, simulation et optimisation industrielles du pré-refroidissement de choux-fleurs.
Industrial experimentation, simulation and optimization of cauliflower precooling.
Chapter 6. Precooling
IIR document
Experimental error in large scale cooling operations.
Selection of wetted media for pre-cooling of air entering natural draft dry cooling towers.
A novel temperature-independent model for estimating the cooling energy in residential homes for pre-cooling and solar pre-cooling.
Recommended by the IIR / IIR document
Pre-cooling systems in modern hydrogen liquefaction.
Development of multi-functional fresh-keeping device and experimentation of cabbage vacuum pre-cooling.
[In Chinese. / En chinois.]
Optimization in the control modes of propan pre-cooling and mixed-refrigerant process.
Numerical modeling of forced-air pre-cooling of fruits and vegetables: A review.
Design of closed-loop mixed refrigerant Joule-Thomson cryosurgical probe with precooling stage.
Examinations of quantitative evaluation method of food freezing process. Evaluation of pre-cooling freezing.
Is it effective to pre-cool close to the freezing point temperature before freezing?
Studies on the pressure distribution inside palletised packages during precooling.
Onboard pre-chilling of ungutted and gutted Atlantic cod in different cooling media -Temperature measurements and analytical modelling.
Energetic assessment on a dual-temperature evaporation refrigeration system for hydrogen pre-cooling.
Refrigeration sector monitoring
214 results
Indonesia unveils its first National Cooling Action Plan
The Indonesian government launched its first National Cooling Action Plan (I-NCAP) which focuses on air conditioning, food and healthcare cold chains, mobile air conditioning and...
EU: first Heating and Cooling Strategy
UE: towards a smart, efficient and sustainable heating and cooling sector.
Africa’s first concentrating solar cooling system
Mobile telecommunications company MTN has launched Africa’s first Concentrating Solar Cooling System in its Head office in Johannesburg.
For IIR members only
Must read: evidence and guidelines against dumping of inefficient cooling equipment in developing countries
The IGSD compiled a resource guide to inform stakeholders on environmentally harmful dumping of new but energy-inefficient cooling equipment that uses high global-warming-potential...
The race to design individual cooling devices
Cooling individuals would be less energy-consuming and a lot cheaper than cooling entire buildings. Based on that principle, companies, start-ups, and researchers are racing to build wearable devices that can act like mini air-conditioning...
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)
France: a guidebook on the best practices for the loading of frozen food (in French)
The French Union of Refrigerated Transport (UNTF) published a best practice guide on frozen food loading in refrigerated trucks.
Reducing post-harvest food losses in sub-Saharan Africa
To strengthen the cold chain for fruit and vegetables in sub-Saharan Africa, sustainable measures and the use of precooling are recommended in a review article.
Pre-cooling of apples using spraying systems more efficient
Cooling apples using a spraying system proves faster, better and cheaper!
Importing citrus fruits into the EU: cold treatment is now mandatory
As of 24 June 2022, precooling at origin and a cold treatment in transit are mandatory for citrus fruits imported from non-EU countries.
A new African Centre of Excellence for Sustainable Cooling and Cold Chain
A new African Centre of Excellence for sustainable cooling and cold chain (ACES) based in Rwanda, will help African farmers get their produce to market quickly and efficiently, thus reducing food waste, boosting...
Cooling the world’s largest supercomputers
Direct liquid cooling is a highly energy-efficient solution for cooling supercomputers capable of performing millions or billions of billions of calculations per second. Here are two examples in the United States and France.
The environmental benefits of evaporative cooling
An Eurovent study shows that evaporative cooling could help save up to 56,000 tons of CO2 emissions per year in the future in the European Union. Evaporative cooling is present in half of the projects presented by the eight Global Cooling Prize...
Energy saving initiatives for cooling in data centres
In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...
New evaporative cooling system for more energy efficient data centres
A dew point cooling system, which is an indirect evaporative cooling system that approaches the dew point, has reduced the electricity consumption of a UK data centre by 80%.
IIR news
100 results
Member news: Presenting MIRAI Intex's Latest process cooling Innovation - X Cryo
Discover the latest advancement in process cooling technology from MIRAI Intex. X Cryo delivers precision and durability, meeting the needs of demanding industrial applications.
Join our training course and officially become a new Ambassador for clean cooling and heating!
Experts and representatives from three sister projects in different regions of the world: ENOUGH in Europe, INDEE+ in India and ACES in Africa are arranging a free one-hour training course on clean cooling and...
Member news: Daikin introduces EWYS-4Z: High-Efficiency Cooling and Heating Solution for Industrial and Commercial Needs
The polyvalent EWYS-4Z cooling and heating unit, which runs on R513A, is designed for superior energy efficiency and reduced noise for industrial and commercial applications.
Pôle Cristal Symposium: Les Rendez-Vous Du Pole Cristal 2019
The twelfth edition of the symposium "les rendez-vous du Pôle Cristal" was held in Dinan on Thursday, October 3, 2019.
Invitation to join the IIR working group: Solid-state cooling and heating
Established last year, this latest IIR working group aims to promote international research collaboration to provide energy efficient and environmentally friendly solutions for a variety of solid-state...
New IIR Informatory Note on caloric cooling technologies
IIR’s 50th Informatory Note on refrigeration technologies focuses on three promising alternative solid-state cooling technologies: magnetocaloric, electrocaloric and...
Cooling data centres: A major economic challenge
Larger data centres can use a staggering amount of energy just to ensure the day-to-day running of electronic equipment. As a result, these data centres can produce a great deal of heat, which require large-scale cooling systems in order to...
Past events: The IIR around the world, August and September 2024
A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).
World Refrigeration Day 2021 reaches every corner of the globe!
This year, seven organisations partnered with World Refrigeration Day to bring to the limelight the exciting career opportunities in fields relying on refrigeration.
Next Generation Cooling: World Refrigeration Day Announces 2023 Theme
Titled "Next Generation Cooling", the WRD 2023 campaign will focus on the future of cooling technology, the industry, the people working within it, and those that benefit from cooling.
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.
Join our second Webinar on Walk-In Cold Rooms on June 11!
Book your seat! Register to the second webinar in our '"Cool Insights" series highlighting the use of walk-in cold rooms for precooling and storage of fresh produce in the Global South.
Highlight from COP13/MOP36 - Day 1
At a side event during COP13/MOP36 in Bangkok, IIR and Cool Up Programme convened global leaders to address challenges in energy-efficient refrigeration and cooling. Discussions focused on reducing emissions,...
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
IIR at COP29 in Baku: Week 1 in review
The first week of COP29 in Baku, Azerbaijan, brought together global leaders, scientists, and industry stakeholders to tackle pressing climate issues. Among the key participants, the...
Encyclopedia of Refrigeration
8 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...
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...
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...
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...
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...
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...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
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...
