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Le mélange, huile et fluide frigorigène, a une influence sur le rendement des compresseurs.
Refrigerant and oil mixture has an impact on compressors' performance.
IIR document
?hermodynamic properties of isobutane/mineral compressor oil and isobutane/mineral compressor oil/fullerenes C60 solutions.
Thermodynamic properties of ammonia-oil-mixtures that influence the efficiency of an evaporator.
Development of miscibility improved oil for R32.
Experimental investigation on TiO2 nanoparticle migration from refrigerant–oil mixture to lubricating oil during refrigerant dryout.
Experimental research on particle aggregation behavior in nanorefrigerant-oil mixture.
Transient separation of refrigerant from oil/refrigerant mixture.
Experimental investigation on oil supply system inside a rotary compressor.
Investigation into low viscosity refrigeration oil for refrigerators.
Study on flow characteristics of oil viscosity pump for refrigerant compressors.
Recommended by the IIR / IIR document
Experimental investigation on the solubility of R290 in two mineral oils.
Effect of new PVE oil on the performance of air conditioner with R32.
[In Chinese. / En chinois.]
A novel modelling approach for thermodynamic data of refrigerant-oil mixtures.
Numerical analysis of a hermetic reciprocating compressor oil pump system.
Experimental investigation on foaming factors and foaming characteristics of oil/refrigerant mixtures.
Refrigeration sector monitoring
537 results
The refrigerant oil market
The refrigerant oil market to reach USD 10 billion by 2020.
Chilean air conditioning market
The Chilean HVAC market hovers around the USD 100 million mark.
Chile's energy outlook
Summary of an article published in the Santiago Times in January 2018.
Chile’s first CO2 system for retail application
In Chile, the first transcritical CO2 refrigeration system has been installed in a supermarket in Valdivia.
Direct CO2 emissions generated by the refrigeration sector in Chile
As part of its national inventory submitted to the UNFCCC, Chile reported greenhouse gas emission values for the refrigeration and air conditioning sector.
Chile installs its first CO2 transcritical refrigeration system.
Chila commits to promoting alternatives to HFCs.
Reducing food waste: can we keep open canned sardines in the refrigerator?
Researchers from the University of Porto studied the shelf life at 4°C of open canned sardines, depending on the type of seasoning (sardines in brine, vegetable oil, tomato...
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.
Vapour compression refrigeration for space applications
An IJR review paper presents the history of vapour-compression refrigeration systems used in microgravity environments and sets the next steps of research needed to achieve reliable...
The global refrigeration compressor market
Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...
Latest news on HFCs alternatives
R470A, R470B, R466: What applications and what features for these new non-flammable refrigerants?
Natural refrigerants power the transition to climate-friendly transport refrigeration
Refrigerated transport is essential to global food and pharmaceutical supply chains – but it’s also a hidden source of greenhouse gas emissions. As climate targets tighten and refrigerants face regulatory...
MIRAI Intex, new corporate member of the IIR!
Presentation of MIRAI Intex and its flagship product: MIRAI COLD 15.
Record: heat pump less than 10 g of propane per kW
German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of 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...
IIR news
109 results
Danfoss unveils oil-free R600a centrifugal compressor at MCE 2026
An innovative high-capacity compressor using isobutane and magnetic bearing technology reflects growing interest in natural refrigerants for large-scale cooling applications.
SophiA project: HKA Lab test progress
SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.
Celebrating Heat Pumps Day with Björn Palm: Scientific Leadership and IIR Engagement
In celebration of Heat Pumps Day, the International Institute of Refrigeration (IIR) is proud to spotlight the work of Professor Björn Palm, a leading figure in the field of thermal systems and energy...
New design for the IJR but still quality papers!
As well as original research papers the IJR also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of...
What’s on the IIR’s 2024 conference calendar?
The IIR calendar for 2024 features a promising choice of events covering cutting-edge refrigeration themes such as the cold chain, natural refrigerants, compressor technologies and much more!
INDEE3 in Mumbai: Advancing Sustainable Cooling Through Collaboration, Innovation, and Natural Refrigerants
The meetings held in Mumbai, India, in mid- March 2026 were organized within the framework of the INDEE3 project, focusing on advancing sustainable cooling and heating solutions. Discussions brought...
IIR member news: A new BSRIA study on the global compressor market
A recent study by BSRIA shows that sales of refrigeration compressors in 2022 are expected to reach 502 million units with a value of USD 48.6 billion, up 15% year-on-year.
Ohrid 2015: Ammonia and CO2 refrigeration technologies at the forefront
In light of the intense debate on the F-Gas regulation, its implementation worldwide, as well as proposed amendments to the Montreal Protocol, the conference provided the ideal forum for the exchange of knowledge on ammonia and CO2 technologies.
Member news: latest innovations from Mirai Intex
The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution.
Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany
Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.
Highlights: the 25th IIR Congress 2019 brings together over 850 delegates
The congress attracted over 650 papers, including 530 oral presentations, 72 posters, 17 keynotes and 1 plenary session, as well as 9 workshops, 10 IIR Commission and Working Group meetings, and 4 technical tours.
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!
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...
Energy efficiency on the agenda for discussion during Montreal Protocol meetings in Vienna
Focus on the fruitful workshop on "the energy efficiency opportunities while phasing down hydrofluorocarbons (HFCs)", which preceded the 40th meeting of the Open-ended Working Group (OEWG40) of the Parties to the Montreal Protocol on Substances...
News from IIR members: Linde
Linde has launched CRYOLINE XF, a new cryogenic spiral freezer, which uses advanced cross-flow technology to reduce freezing time and improve cryogen efficiency, while reducing overall freezer size.
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...
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...
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...
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.
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...
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...
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...
