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IIR document

Exergy, economic and environmental analysis of organic Rankine cycle based vapor compression refrigeration system.

• Author(s) : ASHWNI, SHERWANI A. F., TIWARI D.
• Publication date: 2021/06
• Languages : English
• Keywords : Simulation, Thermodynamic property, R245fa, R602, Hexane, Optimization, Exergy, Cost, Hydrocarbon, HFC, Energy saving, Chiller, Modelling, Organic Rankine cycle, Environment, Heat transfer
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 126
• Formats : PDF

IIR document

Thermodynamic analysis of cascade high-temperature heat pump using new natural zeotropic refrigerant mixtures: R744/R600 and R744/R601.

• Author(s) : GANESAN P., EIKEVIK T. M., HAMID K., WANG R., YAN H.
• Publication date: 2023/10
• Languages : English
• Keywords : Cascade system, High temperature, Heat pump, Industrial application, Natural refrigerant, Zeotropic mixture, Modelling, COP, Butane, Pentane, CO2, R744, R600, R601
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 154
• Formats : PDF

Improved energy efficiency for domestic refrigerator/freezer using hydrocarbon mixtures (R290/R600a, R290/R600 and R600a/R600).

• Author(s) : ELAKHDAR M., NEHDI E., KAIROUANI L.
• Publication date: 2016/03/24
• Languages : English
• Keywords : R600a, Household refrigerator, R290, Optimization, Mixture, Hydrocarbon, Energy efficiency, Freezer
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

IIR document

Improving R600a efficiency: RE170/R600 natural mixture experimental analysis.

• Author(s) : CALLEJA-ANTA D., NEBOT-ANDRÉS L., MARTINEZ-ANGELES M., SÁNCHEZ D., LLOPIS R.
• Publication date: 2024/08
• Languages : English
• Keywords : R600a, Mixture, Re170, COP, Energy efficiency, Expérimentation
• Source: 16^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
• Formats : PDF

IIR document

Experimental analysis of a R600 high temperature heat pump.

• Author(s) : MOISI H., RIEBERER R.
• Publication date: 2018/06/18
• Languages : English
• Keywords : Test rig, Vapour, Heat recovery, R600, Heat pump, High temperature, Compression
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Recommended by the IIR / IIR document

Natural refrigerants in heat pump systems.

• Author(s) : HU B., WU D., LIANG J., WANG R. Z.
• Publication date: 2020/12/07
• Languages : English
• Keywords : Heat pump, Natural refrigerant, Review, Hydrocarbon, R717, R718, R744, R290, R600, R600a, R601, R1270, Ammonia, Water, CO2, Propane, Butane, Isobutane, Pentane
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

Recommended by the IIR / IIR document

Influence of operating parameters on the COP of an R600 high-temperature heat pump.

• Author(s) : VERDNIK M., RIEBERER R.
• Publication date: 2022/08
• Languages : English
• Keywords : R600, Butane, Heat pump, High temperature, COP, Simulation, Heat recovery
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 140
• Formats : PDF

Analysis of the mixture refrigerant R600/R245fa using in high temperature heat pump.

• Author(s) : YU X., XU C.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Mixture, High temperature, Heat pump, Industrial application, R600, R245fa, Thermodynamic cycle, COP, Expérimentation
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Recommended by the IIR / IIR document

Experimental analysis of a R600 high-temperature heat pump in sub-critical and trans-critical operation.

• Author(s) : VERDNIK M., RIEBERER R.
• Publication date: 2020/12/07
• Languages : English
• Keywords : Heat pump, Industrial application, Prototype, High temperature, Hydrocarbon, R600, COP, Transcritical cycle
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

IIR document

Trans-critical vapor compression cycle using butane (R600) as refrigerant for industrial waste heat recovery.

• Author(s) : VERDNIK M., RIEBERER R., MOISI H.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Industrial application, Heat recovery, R600, Simulation, Heat pump, High temperature, Transcritical cycle, COP, Heat exchanger, Compressor
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

High-temperature vapor compression heat pump using butane (R600) – development of a prototype and first measurements.

• Author(s) : VERDNIK M., RIEBERER R.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Compression system, Heat pump, R600, Butane, Prototype, Pressure, High temperature, Transcritical cycle, COP, Expérimentation, Simulation
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Recommended by the IIR / IIR document

Experimental and model-based analysis of an R600 high-temperature heat pump in sub-critical and trans-critical operation.

• Author(s) : VERDNIK M., RIEBERER R.
• Publication date: 2022/06/13
• Languages : English
• Keywords : Expérimentation, R600, Industrial application, Heat pump, Transcritical cycle, Simulation, Modelling, Butane, Prototype, High pressure, High temperature
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

IIR document

Modelling and optimization of cascade high-temperature heat pump using natural zeotropic refrigerant mixtures.

• Author(s) : GANESAN P., EIKEVIK T. M.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Heat pump, High temperature, Cascade system, Zeotropic mixture, R744, R600, R601, Heating, Modelling, Performance
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Global warming potential of hydrocarbon refrigerants.

• Author(s) : COLBOURNE D., VONSILD A.
• Publication date: 2018/06/18
• Languages : English
• Keywords : R600a, R1270, Calculation, R601, R290, R170, Hydrocarbon, GWP
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Recommended by the IIR

Evaluación experimental de mezclas alternativas al R-600a en un frigorífico y un congelador doméstico.

Experimental evaluation of alternative mixtures to R-600a in a domestic refrigerator and freezer.

• Author(s) : CALLEJA-ANTA D., NEBOT-ANDRÉS L., ARIANO A., SÁNCHEZ D., CABELLO R., LLOPIS R.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : Refrigerant, Comparison, Substitute, Household refrigerator, Home freezer, R600a, Isobutane, Mixture, HFO, Energy efficiency
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

A study assesses alternative mixtures to two pure hydrocarbon refrigerants

An article reviews more than 11,000 mixtures of refrigerants that could be interesting alternatives to pure R290 and R600a.

• Publication date : 2020/02/05

Colombia: financial aid to renew the stock of domestic refrigerators

In Colombia, 17,553 people have benefited since January 2019 from a programme to replace old domestic refrigerators with new units using isobutane (R600a). 

• Publication date : 2023/09/22
• Subjects: HFCs alternatives

US EPA proposes acceptance of hydrocarbons and R32 in 6 applications

The US EPA has proposed a range of acceptable uses for hydrocarbon refrigerants – R600a, R290, R170 and R441A along with R32 under the EPA’s Significant New Alternatives Policy (SNAP)

• Publication date : 2014/09/08
• Subjects: Regulation

US: EPA expands the use of 4 hydrocarbons and R32

The US Environmental Protection Agency (EPA) recently authorised the use of four hydrocarbon refrigerants and R32 in various applications.

• Publication date : 2015/06/19

Update on the global regulation on refrigerants

Global regulations on fluorinated gases are evolving, with new ratifications of the Kigali Amendment (including China), the updating of the GWP of certain refrigerants by the IPCC, and five European countries...

• Publication date : 2021/09/07
• Subjects: Regulation, HFCs alternatives

IIR member news: Embraco's Position Paper on refrigerants used in light commercial refrigeration

Compressor manufacturer Embraco publishes a "Position Paper" to assess the transitory solutions towards low GWP refrigerants.

• Publication date : 2017/04/26
• Subjects: HFCs alternatives

Summary of two papers of the 9th International Conference on Compressors and Coolants (ICCC2017)

The IIR 9th International Conference on Compressors and Coolants (ICCC2017), which took place in Bratislava, Slovakia, in September 2017, addressed advances in compressors but also refrigerating technologies and alternative refrigerants, as...

• Publication date : 2018/01/10

Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

• Publication date : 2021/08/02
• Subjects: Developing country, Technology

An innovative concept of refrigerated semi-trailer

The refrigerated semi-trailer undergoing final test combines electricity production by hydrogen fuel cell and refrigeration production using CO2 as refrigerant.

• Publication date : 2019/08/29

Siberian nematode worms kept in permafrost for 42,000 years come back to life

A team of Russian researchers revived two nematodes buried in Siberian permafrost for 32,000 and 42,000 years.

• Publication date : 2018/09/20

GL2012 highlights: photovoltaic vs solar thermal cooling in Europe

In their paper presented during the 10th IIR Gustav Lorentzen Conference on Natural Refrigerants in June 2012, Kohlenbach et al. give an outlook of the current and potential situation of solar cooling in Europe.

• Publication date : 2012/11/26

World Cup stadium cooling technology and CO2 emissions

The FIFA World Cup stadiums in Qatar combine passive cooling strategies with innovative air-conditioning technology to offer fans and players a more comfortable...

• Publication date : 2022/11/21
• Subjects: Technology

ICR2023: ENOUGH, INDEE+ and SophiA conference papers are now online!

Download papers presented at ICR2023.

• Publication date : 2023/10/24

Call for candidates for the Presidency and Governance of the IIR’s Careers in Refrigeration (CaRe) working group

The IIR’s CaRe (Careers in Refrigeration) working group is seeking a new President, Vice-Presidents and a Secretary to undertake activities until the next ICR2027 in South Korea. 

• Publication date : 2024/04/25

IIR with INWIC at the WiHVACR Annual Conference

From 6th to 8th November 2023, the 20th Women in Heating, Ventilation, Air Conditioning and Refrigeration (WiHVACR) Annual Conference was held in Jacksonville, United States...

• Publication date : 2023/11/28

Latest IIR conference papers in Fridoc!

Papers from recent IIR conferences can all be downloaded from IIR Fridoc database.

• Publication date : 2017/01/31

IIR events: new IIR working party

A proposal for a new IIR working party will be discussed during the meeting of the Science and Technology Council in August 2007 in Beijing. This working party is to deal with reduction in the refrigerant charge of refrigeration plants through...

• Publication date : 2007/08/05

Highlights: IIR Statutory Meetings in June 2017

European project CryoHub presented and Air Liquide Life Science R&D Group Manager Manager presents economic issues and scientific challenges of cryogenic energy storage at the IIR Statutory Meetings in June 2017.

• Publication date : 2017/07/04

IIR Congress 2023: You can submit an abstract again thanks to the session on “Work in Progress & Innovations”

Here’s your chance to submit an abstract to the innovative session on “Work in progress & Innovations” at the 26th IIR International Congress of Refrigeration 2023. Submit an abstract from...

• Publication date : 2022/10/26
• Subjects: Technology, Environment, General information

Don’t miss your chance to support the IIR Congress 2023!

To ensure the visibility of your entity across the industry on an international level, sponsoring the 26th IIR International Congress of Refrigeration is a must!

• Publication date : 2022/12/13
• Subjects: General information

IIR Conference overview: 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants - TPTPR2017

With over 150 participants from 12 countries, the 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants featured 85 technical presentations, including six plenary keynote lectures.

• Publication date : 2017/05/24

Get ready! Send in your application to the Best student paper competition at ICR 2023

Open to students up to Master’s level (plus one year) from engineering schools, universities or any other comparable higher education institution, the submitted work may focus on any technical area covered by...

• Publication date : 2023/03/30

IIR Congress 2023: Submit an abstract to the session on “Work in Progress & Innovation” before May 31

You have just over a month to submit an abstract to the session on “Work in Progress & Innovation” at the 26th IIR International Congress of Refrigeration.

• Publication date : 2023/04/25
• Subjects: General information

Discover the winners of the IIR Young Researchers’ Awards 2023

Every four years at its Congress, the IIR offers a series of Young Researchers’ Awards to pay tribute to the work carried out by young researchers in the field of refrigeration. Discover this year’s...

• Publication date : 2023/05/16
• Subjects: General information

Calling all students! It’s time to send in your application to the Best student paper competition at ICR 2023

If you are an undergraduate or graduate student and your paper has been accepted to the 2023 IIR Congress, apply and you could win a cash prize of €500 and complimentary registration to Congress. Apply by June...

• Publication date : 2023/05/31
• Subjects: General information

IIR Congress 2023: Which workshop will you attend?

Did you know that there are 21 specialist workshops scheduled to take place at the 26th IIR International Congress of Refrigeration? Discover them here and book your seat today!

• Publication date : 2023/07/19
• Subjects: Technology, Environment, General information

Call for nominations now open for Scientific Prizes at IIR Congress 2023

Don’t miss out on your chance to apply for the prestigious academic and scientific awards to be presented at the upcoming 26th IIR International Congress of Refrigeration.

• Publication date : 2022/02/11
• Subjects: General information

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...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Thermophysical properties of hydrocarbon refrigerants

Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Hydrocarbons, Blends

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...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

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.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

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...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams