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Supercritical fluids.
IIR document
Cryogenic fluid dynamics and its applications today.
The future with cryogenic fluid dynamics.
Fluid flow and heat transfer in hexagonal parallel-plate membrane channels (HPMC): Effects of the channel heights and fluid parameters.
Screening of working fluids for the ejector refrigeration system.
A numerical simulation of fluid structure interaction for refrigerator compressors suction and exhaust system performance analysis.
Dynamic modeling of fluid-cooled tools in periodic thermal processes.
Recommended by the IIR / IIR document
Natural working fluids for absorption refrigeration.
Fluid-structure interaction of a reed type valve subjected to piston displacement.
Emerging technologies in metal working fluids and compatibility with refrigeration systems.
Viscosity of refrigerants and other working fluids from residual entropy scaling.
Industrial heat pump using fluid mixture.
Setting up a transient hot wire device to determine the thermal conductivity of fluids.
Experimental investigation of the fluid flow inside a hydrofluidisation freezing chamber.
Evaluation metrics of electrochemically active working fluids for heat pumping cycles.
Refrigeration sector monitoring
184 results
Immersion cooling: a high-performance plant-based fluid
A U.S. food company has created an immersion cooling fluid for data centres made from 90% vegetable oil.
H-fluid as an alternative to HFC-134a?
The new European Directive 2006/40 on emissions from air-conditioning systems in motor vehicles - which bans F-gases with a GWP higher than 150 (such as HFC-134a) as of 2011 for new models of cars - and Californian legislation which is putting...
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.
R1234yf as a working fluid in Organic Rankine Cycle systems
A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
Focus on the new refrigerant HCFO1224yd(z)
The Japanese chemicals manufacturer Asashi Glass Chemicals developed a new refrigerant as an alternative to R245fa.
Global refrigerant market forecast to 2022
MarketsandMarkets published a report which estimates global refrigerants markets at USD 14.49 Billion in 2017 .
WhatGas, a smartphone application listing refrigerants
OzonAction has launched a useful application to identify refrigerant gases.
Installation of a refrigerant separator in Bristol (UK)
After one year of planning, the refrigerant supplier A-Gas has completed the installation of a new refrigerant separator in Bristol.
France: Assessment of the refrigerant emissions avoided between 1993 and 2013
The commitment and engagement from most stakeholders in the “Cooling and Air Conditioning “ branch helped avoid 45 million emitted tonnes of carbon dioxide equivalent.
Further tests on low GWP refrigerants
The Air Conditioning, Heating, and Refrigeration Institute (AHRI) is going to launch a second phase of its low GWP Alternative Refrigerants Evaluation Program (AREP).
Next generation of working pairs in absorption heat pumps
The history and latest developments in working pairs for absorption heat pumps were discussed in a recent review article.
Refrigerant blends may offer alternative to R134a
Research released by SAE provide further evidence that Mexichem Fluor's refrigerant blends AC5 and AC6 could offer EU regulation compliant alternatives to R134a in automotive air conditioning.
Customs block trade in over 1,300 tonnes of illegal refrigerant
The United Nation Environment Programme reports that illegal trade of over 1,300 tonnes of ozone-depleting gases has been prevented over the last 18 months.
France: tax on refrigerants does not appear in the public finance draft bill of 2018 (in French)
The tax on refrigerants announced in July 2017 by the French Ministry for the Ecological and Inclusive Transition does not finally appear in the public finance draft bill.
Road to COP28. Extending the temperature range and application for heat pumps
To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...
IIR news
119 results
New IIR publications: Properties of Secondary Working Fluids for Indirect Systems
This expanded 2nd edition responds to rising use of secondary refrigerant systems used in many applications. It comprises comprehensive data on a number of aqueous solutions of ethylene and propylene glycol, ethanol, glycerol, ammonia, chlorides...
Upcoming conferences: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids
The 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids will be held in Trondheim, Norway, on May 28-31, 2006. To obtain the second announcement, register and check out the programme:
Calls for papers: Natural Working Fluids 2006: 7th IIR-Gustav Lorentzen Conference
Natural Working Fluids 2006: 7th IIR-Gustav Lorentzen Conference will take place on May 29-31, 2006 in Trondheim, Norway, a beautiful cathedral city on a fjord surrounded by forest-clad hills. A call for papers has been launched: the deadlines are...
Get your abstract in now for the Gustav Lorentzen Natural Working Fluids Conference
Get your abstract in now for the Gustav Lorentzen Natural Working Fluids Conference To present a paper at this leading conference you need to submit an abstract by the 1st October. The conference takes...
REAL Alternatives: blended Learning for Alternative Refrigerants
Last week the REAL Alternatives Europe programme partners met at IIR head offices to elaborate plans to translate the e-learning project into more languages.
Philippe Lebrun to be awarded the Kamerlingh Onnes Medal of Honour
The Kamerlingh Onnes Medal of Honour will be presented to Dr Philippe Lebrun of CERN during the 10th-IIR Gustav Lorentzen Conference on Natural Working Fluids to be held in Delft, the Netherlands on June 25-27, 2012.
News from IIR members: Alfa Laval wins € 6 million energy efficiency order in Kazakhstan
Alfa Laval – a world leader in heat transfer, centrifugal separation and fluid handling – recently won an order to supply Alfa Laval Packinox heat exchangers to a refinery in Kazakhstan.
HARFKO 2015: More successful than ever welcomes UNEP Ozone2Climate Roundtable & Roadshow
Last week the IIR was delighted to participate in the 13th Heating, Air-conditioning, Refrigeration & Fluid Exhibition – KOREA (HARFKO 2015).
Download the latest technical papers from the IIR Cryogenics Conference
Held on 8-11 April this year, the 15th IIR Cryogenics Conference welcomed over 120 guests from more than 22 countries.
Call for abstracts now open! 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants
Prospective authors of papers are encouraged to submit 150-200 word abstracts by September 15, 2021.
Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems
Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.
Conference update: Sydney
The 9th IIR Gustav Lorentzen Conference Natural Working Fluids will be held in Sydney, Australia, on April 12-14, 2010. The call for papers and first announcement are now available:
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...
New IIR conference on the application of HFO Refrigerants
From September 2 to 5, 2018 in Birmingham (UK), the Institute of Refrigeration (IOR) will host the inaugural IIR International Conference on the application of HFO Refrigerants.
Member news: Efficient Energy has been rewarded for its remarkable growth over the last 4 years
Energy Efficient, an IIR corporate member, ranked third in the latest Deloitte Technology Fast 50 in Germany. This ranking rewards companies based on the percentage increase in their revenue over the last four...
Encyclopedia of Refrigeration
8 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...
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...
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...
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...
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
