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IIR document
Dew point refrigeration systems: Normalized sensitivity analysis and impact of fouling.
Estimation of air dew point temperature using computational intelligence schemes.
Desiccant dewpoint cooling system independent of external water sources.
Low dew point air production by adsorptive desiccant rotor and its design/operating concept.
Experimental Study on the Performance of a Dew-Point Evaporative Cooling System with a Nanoporous Membrane.
Studying the performance of an improved dew-point evaporative design for cooling application.
Low-temperature ash deposition and dewpoint corrosion of a coal-fired travelling grate boiler.
Prediction and Analysis of Dew Point Indirect Evaporative Cooler Performance by Artificial Neural Network Method.
Experimental and numerical study of dew-point indirect evaporative coolers to optimize performance and design.
Molecular-level simulation of bubble and dew points of fluid mixtures and application to refrigerant cycle design.
Comparison of 1D and 3D heat and mass transfer models of a counter flow dew point evaporative cooling system: Numerical and experimental study.
A numerical model for a dew-point counter-flow indirect evaporative cooler using a modified boundary condition and considering effects of entrance regions.
Helmholtz free energy equation of state for propane and R134a binary mixture.
Le glissement de températures impacte les performances.
Temperature glide affects performances.
Energy saving assessment of a desiccant-enhanced evaporative cooling system in variable air volume applications.
Refrigeration sector monitoring
23 results
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%.
Frost mitigation methods for heat pumps and refrigeration systems
Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...
Frost detection and defrosting methods: latest advances
A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...
Heat pump systems for HVAC in electric vehicles
Heat pump systems offer an energy efficient option for HVAC in electric vehicles. Recent studies present innovative technologies to further improve the heating and cooling performance of heat pump systems as...
How to reuse the condensate water from air conditioners?
Review of the different uses of the condensate water rejected by air conditioners.
In France, the tax on HFCs is still under discussion (in French)
Update on the latest developments regarding the HFC tax, which finally appears in the 2018 finance bill.
Latest developments on the mobile air conditioning front
According to the MAC Directive, by January 1, 2017, all new vehicles in the European Union (EU) are to be equipped with air-conditioning systems using refrigerant with GWP under 150. Most EU car manufacturers have opted for R1234yf.
Danfoss white paper on the global trends within refrigerants in refrigeration and air conditioning
Danfoss international group of experts made a projection on the refrigerant outlook within the main sectors and regions.
White paint reduces air conditioning demand
A team of researchers has developed a radiative cooling paint that keeps surfaces more than 1.7 °C cooler than their ambient surroundings (at noon).
Cold stores safety and energy consumption
During the IIR International Congress of Refrigeration, held in Yokohama in August 2015, two valuable papers focused on cold store energy consumption and safety issues.
Squid skin inspires research on next-generation space blanket
Next-generation space blankets could be made of a thermoregulatory material inspired by the functioning of squid skin, which changes color.
Heat pump efficiency at low temperatures
A study based on field data shows that heat pumps had significantly higher energy efficiency than oil or gas heating systems, particularly for outdoor temperatures above -10°C.
India is in urgent need of affordable, energy-efficient air-conditioning
With energy demand for cooling in India expected to increase eightfold by 2038, a recent study by the Council on Energy, Environment and Water (CEEW) discusses the country's...
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...
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...
IIR news
13 results
Editorial by Didier Coulomb
Since the beginning of the year, the Focus section of the Newsletter has dealt with environmental measures in general and measures addressing HFCs (hydrofluorocarbons) in particular that have already been adopted or are foreseen in various...
Since 2007, the International Institute of Refrigeration (IIR) has conducted strategic discussions on its missions and services. This process began internally then took on board the outcomes of two surveys conducted at the beginning of this year...
IIR website: consult our courses!
The “Services and expertises” section of the IIR website includes a section on courses and training. The courses are among the most downloaded documents in 2022!
Experience the unforgettable in Japan at ICR2015: It’s not just about refrigeration, it’s also about fun!
ICR2015: Discover the plenary speakers, technical tours, and popular tours and activities
Another successful IIR Gustav Lorentzen conference 2016
Dedicated to natural refrigerants, mainly ammonia, carbon dioxide and hydrocarbons, Gustav Lorentzen 2016 was a great success attracting over 270 people and more than 145 papers from leading international researchers and industrialists.
Commission E2: at the forefront of heat pumps and energy recovery
Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”
Press release: The IIR Launches Quiz on The Impact of Refrigeration on the Climate Change
In conjunction with the newly released 35th IIR Informatory Note on The Impact of the Refrigeration Sector on Climate Change, the International Institute of Refrigeration (IIR) has launched a quiz on “Refrigeration and the environment”, which...
International collaboration: The key to a prosperous future in refrigeration
The IIR puts its international network into action for the benefit of all.
IC2015 Workshops: An opportunity to join, share and build together
ICR2015: A chance to actively participate in the innovation of refrigeration.
Best wishes for 2015!
2015 will focus on two major issues: the International Conference on Climate Change taking place in Paris in December 2015 and the overall slowdown of global economic growth. The refrigeration sector will be affected by both events.
Highlights from COP13/MOP36 – Day 4
Today, at COP13/MOP36 in Bangkok, high-level discussions continued as delegates, scientists, and policy leaders gathered with renewed urgency to protect the ozone layer and address climate...
The IIR brings you the highlights from refrigeration trade fair SIFA 2016
As an institutional partner, the International Institute of Refrigeration (IIR) participated in the 2016 edition of the Interprofessional Refrigeration and its Applications Trade Show (SIFA) for the consecutive year.
MOP 27: Strong debate in the run-up to COP21
MOP 27 delegates continued firm discussions and addressed the outcomes of OEWG 36
Encyclopedia of Refrigeration
4 results
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...
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...
