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Análisis del flujo térmico en tuberías con enfriamiento asimétrico mediante HEATT®.
Heat flow analysis in asymmetrically cooled pipes using HEATT®.
Wrap-around heat pipes in humid climates.
A comprehensive review on double pipe heat exchangers.
IIR document
Investigation of air-source heat pump using heat pipes as heat radiator.
Heat pipes for temperature homogenization: A literature review.
Thermal performance of a helium pulsating heat pipe.
A review of small heat pipes for electronics.
Review of recent applications of heat pipe heat exchanger use for waste heat recovery.
Modeling, design, and optimization of loop heat pipes.
Experimental studies on a novel thin flat heat pipe heat spreader.
Experimental Research on Air-source Heat Pump Using Heat Pipes as Heat Radiator.
Experimental study on long-distance helium pulsating heat pipes.
An ultra-thin miniature loop heat pipe cooler for mobile electronics.
Experimental investigation on ethane pulsating heat pipe based on Stirling cooler.
Recommended by the IIR
Isothermal Performance of Heat Pipes: A Review.
Refrigeration sector monitoring
91 results
CO2 heat pump with variable-displacement compressor/expander in the pipeline
This CO2 heat pump will use oil-free variable-load compressor and variable expander technology, currently tested at Purdue University’s Herrick Laboratories.
Geothermal heat-pump under supermarket car park
Walmart’s new 12,540 m² prototype store in Burlington, ON, Canada is equipped with a geo-heat exchange heating and cooling system using 15 km of pipes under the store’s parking lot.
Underground river to cool the London tube
The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...
Briefs: Chip cooling innovations
IBM researchers demonstrated a prototype that integrates a computer chip cooling system into 3-dimensional stacks by piping water directly between each layer in a chip stack. These so-called 3D chip stacks, which take chips and memory devices that...
Cheers to that!
An innovative brewery refrigeration system that uses natural CO2 gas has been conceived by engineers from the Ziemann Group in collaboration with Axima. This system, which will be of particular interest to large plants with extensive pipe networks...
Heating and cooling ceilings
The upcoming translation of European Directive 2002/91/EC on improving energy efficiency in buildings into EU national legislation in January 2006 calls for a clear improvement in the energy efficiency of cooling and heating systems. In view of...
Cool IT: a new use for CO2
Carbon dioxide offers a new optimum cooling medium for IT facilities. Electrically benign, and therefore non-hazardous to servers and cabling, it is seven times more efficient at cooling than water: CO2 permits reduced volume flows and smaller...
Out of the ordinary: The world’s first refrigerated beach!
Versace, the renowned fashion house, is to create the world's first cooled beach so that hotel guests can walk comfortably across the sand on scorching days. The beach will be next to the new Palazzo Versace Hotel which is being built in Dubai,...
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...
Solar cooling: Low-cost solar vaccine refrigerator
About 2 million people around the world die each year of diseases preventable by widely used vaccines. In Africa and parts of Asia, over half of all vaccines that require refrigeration spoil before they can be administered. Millions of lives and...
A free guide for copper pipework support and routing
The IoR published a bulletin providing guidance on pipework support methods for copper pipework designed to contain refrigerant.
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...
Green buildings
Moscow City Tower is to be Europe's tallest and the world's second tallest building. The 600-m naturally ventilated tower designed by Norman Foster will accommodate 25 000 people - a city unto itself - and the designer is aiming for LEED gold...
Marine refrigeration
The use of natural refrigerants is gradually spreading. Here are two examples of their use in the marine sector: - Environmentally-friendly fish transport American Freedom is one of the world's largest refrigerated ships and can hold up to...
A review of current status of free cooling in data centres
A study published in Applied Thermal Engineering reviews current status of the free cooling technologies in data centres
IIR news
8 results
Check out the latest news from FRISBEE!
In this issue two hot topics: the test carried out to increase refrigerator performance and field test monitoring of the food cold chain in European markets.
How to adapt in a world at 50°C? Learn more at the IMechE conference this September
On September 6-8, 2023, the Institution of Mechanical Engineers (IMechE) will host its 1st International Conference and Workshop on Climate Adaptation and Resilience in London.
Call for industrial partners for joint industry cryogenics project linked to LNG production
Become a project partner: Join the Joint Industry Project of MINES ParisTech – ARMINES “Evaluation of the crystallization risk in LNG production”.
IIR Member news: New Mitsubishi Electric Ecodan R290 heat pumps for residential use
The new Mitsubishi Electric Ecodan R290 heat pumps provide higher capacities for residential heating, using propane as a low-GWP refrigerant and operating efficiently in low temperatures.
Obituary: Einar Brendeng
The IIR presents its deepest sympathy and sincerest condolences to Professor Einar Brendeng’s family, the Norwegian refrigeration industry and society.
IIR member news: Excess heat is the largest untapped energy source
In a whitepaper, IIR Benefactor member Danfoss highlights the vast untapped potential of excess heat as a source of energy.
50% off! Special Heat Pump Day sale on a selection of IIR publications
In celebration of Heat Pump Day 2025, we are offering a 50%-off sale from October 20 to October 24, 2025 on all IIR papers and a selection of IIR guides.
TPTPR2025 – the IIR’s conference on refrigerant research: Conference highlights and proceedings now available on FRIDOC
The 7th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants (TPTPR2025) convened leading researchers to present the latest findings on low-GWP refrigerants and advanced...
Encyclopedia of Refrigeration
5 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...
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...
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...
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...
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
4 results
IIR event
27th IIR International Congress of Refrigeration
August 21, 2027 - August 27, 2027
Seoul, Republic of Korea
Save the date! The International Congress of Refrigeration (ICR) is a leading global event in the field of refrigeration, organised by the International Institute of Refrigeration...
Find out more
Other event
15th IEA Heat Pump Conference
May 26, 2026 - May 29, 2026
Vienna, Austria
Join the 15th IEA Heat Pump Conference, which will take place in Vienna, Austria,from May 26-29, 2026! The 15th IEA Heat Pump Conference, co-sponsored by IIR,...
11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
June 07, 2026 - June 11, 2026
Ljubljana, Slovenia
Submit your full paper now! The 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting (Thermag 2026), to be...
15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
September 16, 2026 - September 18, 2026
Xi'an, China
Currently accepting full papers! The 15th IIR Conference on Phase-Change Materials and Slurries for...
