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Effect of wall inclination in heat transfer characteristic in combined wall and offset jet flows.
Uso de un elemento formador de 2° orden en la transferencia de calor en un muro multicapa. Precisión y aplicación a los cerramientos utilizados en la rehabilitación de edificios en España.
Use of second order influential element in the multilayer wall heat transfer. Precision and implementations in walls used in the buildings renovation in Spain.
Wall roughness influence on the efficiency characteristics of centrifugal pump.
Numerical simulation of wavy liquid film flowing along inclined porous wall.
Recommended by the IIR / IIR document
Determining the heat flow through the cabinet walls of household refrigerating appliances.
Intelligent wall for an energy efficient building by embedding thermoelectrics.
Comparison and validation of modelling methods for non-homogenous walls incorporating vacuum insulation panels.
IIR document
Energetic effects of flow-through wall elements with phase-change materials for building component activation.
Formulation of an OTTV for walls of bedroom in Thailand.
Using green wall systems as a new model for energy savings and building's ventilation air cleaning from polutants.
Optimum R-values of building walls under different climatic conditions in the Kingdom of Saudi Arabia.
Effect of the thermal insulation layer location on wall dynamic thermal response rate under the air-conditioning intermittent operation.
Prediction of the heat gain of external walls: A simplified approach departing from the method of Mackey-and-wright.
Uticaj trombovog zida na potrošnju energije za grejanje i hladenje kuce neto-nulte potrošnje energije.
The influence of the trombe wall on energy consumption for heating and cooling of net-zero energy house.
The effects of wall curvature and adverse pressure gradient on air ducts in HVAC systems using turbulent entropy generation analysis.
Refrigeration sector monitoring
248 results
Wondrwall introduces AI-controlled propane heat pump
Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.
The ice wall ready to go into service at Fukushima
In Japan, the huge ice wall installed to stop groundwater pollution at the tsunami-wrecked Fukushima nuclear plant is going to be activated.
Fish packaging with built-in nose
PhD candidate Jenneke Heising is working on packaging with a built-in nose that tells your smartphone how fresh fish is before you buy it.
New process combining cryogenic freezing and MAP
Air Products Freshline® Superfresh is a new methodology which combines cryogenic freezing with modified atmosphere packaging (MAP) in a specific way to extend the life and quality of food products.
MAC Directive: EC issues proceedings against Germany
The European Commission has issued an infringement notice against Germany for failing to enforce the MAC Directive.
Package indicators to help increase food safety
Chromatic Technologies Inc. (CTI) has developed inks that provide reminders when a product has been out of refrigeration and temperature has started to rise.
PCMs to keep superchilled temperatures in consumer packages
Consumer packages may be placed at +15 °C for 25-40 min longer thanks to the PCM
Germany: Cologne invests €280 million in district energy revolution with Rhine River heat pump
Cologne will decarbonise its district heating system with a 150 MW heat pump installed on the Rhine.
Air conditioning in Russian stadium for Fifa World Cup 2018
The Chinese manufacturer Midea has won the bid to provide central air conditioning systems for seven stadiums in Russia.
MAC: EU orders Germany to stop using R134a in new models of vehicles
The European Commission ordered Germany to stop using R134a or to face court action and possible fines.
£5000 prize for Technical Achievement – Call for Nominations
The Institute of Refrigeration is calling for nominations for prestigious internationally recognised J&E Hall Gold Medal.
Is an ‘isochoric freezing’ revolution really in the offing?
Comparing isochoric freezing to classical isobaric freezing and new terminology proposal based on the conclusions of a group of IIR experts.
Brief: ARI call for HFC regulations
The vice-president of engineering and research at the Air-Conditioning and Refrigeration Institute (ARI), Mark Menzer, (also the US delegate to the IIR), stated during the ARI Spring meeting that ARI would like the US Environmental Protection...
Heat pump sales grew dramatically in Europe in 2021
According to the 2022 market report by the European Heat Pump Association (EHPA), heat pump sales grew by +34% in 2021, compared to a +7.4% growth in 2020.
European Commission launches €1 billion Green Deal call
Organised under 10 key focus areas and 20 topics, the European Green Deal aims to tackle the challenges and take advantage of the opportunities of climate change.
IIR news
81 results
ICCC2022 – Call for abstracts extended!
Due to an unprecedented number of requests, the call for 7th IIR International Conference on Sustainability and the Cold Chain has been extended to October 24 at 5pm BST.
Call for abstracts: IIR Compressors Conference 2020
Set to celebrate its 10th anniversary edition in the series, the IIR next Conference on Compressors and Refrigerants has launched a call for abstracts. Don't miss the deadline!
Call to Action for World Refrigeration Day
In support of this special day, and with the aim of raising awareness and boosting accessibility of the refrigeration sector from the grassroots up on an international level, the IIR is calling to all stakeholders to actively help bring the HVACR...
Call for abstracts now open: Cryogenics Conference 2021
The Programme Committee of the 16th IIR Conference on Cryogenics kindly invites authors to submit their abstracts by February 10, 2021!
Call for nominations: Sustainable cold chains virtual exhibition
Call for nominations for sustainable cold chain technologies and approaches.
Cryogenics 2023 : Call for abstracts extended to October 30!
There's still time to submit an abstract to the IIR Cryogenics 2023 conference to be held in Dresden (Germany) on April 24 to 28, 2023.
Call to Action for World Refrigeration Day 2020
In coordination with many supporting associations and companies worldwide, the International Institute of Refrigeration (IIR) is launching a Call to Action for World Refrigeration Day 2020.
LNG2023: Call for abstracts extended to October 24!
A two-week extension has now been confirmed to ensure LNG2023 does not miss hearing from some key industry voices. Don’t miss the new call for abstracts deadline of October 24, 2022!
Call for nominations: Scientific Prizes at ICR 2019
The call for nominations for the ICR 2019 Scientific Prizes has now been launched. The series of prestigious academic and scientific awards recognise those who have made outstanding contributions to the field of refrigeration or have completed...
Calls for papers: ICR2007
A Call for Papers for the 22nd IIR International Congress of Refrigeration — Refrigeration Creates the Future — was launched on June 30, 2006: abstracts are to be submitted by August 31, 2006. Authors will be informed of acceptance by November 30,...
HFO 2023: Call for abstracts extended until September 30!
The call for abstracts for the 2023 IIR Conference on HFOs, to be hosted by the Chinese Association of Refrigeration (CAR), has been extended to September 30, 2022!
Call for abstracts now open for the IIR Congress 2023!
To be organised under the theme "Towards efficient, controlled and smart refrigeration", the call for abstracts for the 26th IIR International Congress of Refrigeration has been...
Call to action to adopt 5 internationally established refrigeration terms!
All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...
The IIR is involved in a new project called Cool-Save
The IIR is involved in a new project called Cool-Save. This 30-month European project comprises the development and dissemination of cost-effective strategies designed to improve energy efficiency in cooling systems in the food and drink sector.
Call for papers: 3rd International Conference on Sustainability and the Cold Chain
A call for papers has been announced for the upcoming IIR conference on sustainability and the cold chain in June 2014. Particularly welcome are papers showcasing UK and international innovation in the cold-chain, and practical case studies on the...
Encyclopedia of Refrigeration
11 results
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...
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...
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 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...
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...
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...
For IIR members only
Heat pump stock in Europe
This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.
Global warming potential (GWP) of HFC refrigerants
Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...
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...
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
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...
Events
6 results
IIR event
Data Centers at a Crossroads: Energy, Cooling, and Policy Challenges
May 12, 2026
Register...
Find out more
19th IIR Conference on Cryogenics
April 26, 2027 - April 30, 2027
Dresden, Germany
The 19th CRYOGENICS 2027 continues in the series of conferences held every two years. The conference will deal with new challenges of the equipment and technologies with temperatures below 120 K (-153°C), as well as with other...
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...
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...
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...
