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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

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

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

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

IIR document

Theoretical performance evaluation of ejector and economizer with parallel compression configurations in high temperature heat pumps.

• Author(s) : MATEU-ROYO C., NAVARRO-ESBRÍ J., MOTA BABILONI A., BARRAGÁN-CERVERA A.
• Publication date: 2020/11
• Languages : English
• Keywords : Heat pump, High temperature, Waste heat, Energy efficiency, Heat exchanger, Low GWP, HFC, HFO, COP, Ejector, HCFO, Modelling, R245fa, R1336mzz(Z), R1233zd(E), R1224yd(Z), R514A, R600, R601, Performance
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 119
• Formats : PDF

Waste Heat Recovery in a Compression Ignition Engine for Marine Application Using a Rankine Cycle Operating with an Innovative Organic Working Fluid.

• Author(s) : MARIANI A., MORRONE B., LAISO D., PRATI M. V., UNICH A.
• Publication date: 2022/11
• Languages : English
• Source: Energies - 15 - 21
• Formats : PDF

IIR document

Performance analysis of combined cooling and heating CO₂ system with mechanical subcooling system using zeotropic mixture as working fluid.

• Author(s) : DAI B., WANG Q., LIU S., WANG M., ZHANG J., LI F., ZHOU X., GUO Q.
• Publication date: 2023/04/05
• Languages : English
• Source: 3^rd IIR conference on HFO Refrigerants and low GWP Blends. Shanghai, China.
• Formats : PDF

IIR document

A study of working fluids for heat driven ejector refrigeration using lumped parameter models.

• Author(s) : BESAGNI G., MEREU R., DI LEO G., et al.
• Publication date: 2015/10
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 58
• Formats : PDF

IIR document

Evaluation of natural working fluids for the development of high temperature heat pumps.

• Author(s) : BAMIGBETAN O., EIKEVIK T., NEKSÅ P., et al.
• Publication date: 2016/08/21
• Languages : English
• Source: 12^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2016). Proceedings. Édimbourg, United Kingdom, August 21st-24th 2016.
• Formats : PDF

IIR document

Screening of future-proof working fluids for industrial high-temperature heat pumps up to 250 °C (part I).

• Author(s) : PACHAI A. C., NORMANN J., ARPAGAUS C., HAFNER A.
• Publication date: 2021/09/16
• Languages : English
• Source: 9^th IIR Conference on Ammonia and CO₂ Refrigeration Technologies. Proceedings: Ohrid, North Macedonia, 16-17 September, 2021
• Formats : PDF

IIR document

Screening of future-proof working fluids for industrial high-temperature heat pumps up to 250 °C (part II).

• Author(s) : PACHAI A. C., NORMANN J., ARPAGAUS C., HAFNER A.
• Publication date: 2021/09/16
• Languages : English
• Source: 9^th IIR Conference on Ammonia and CO₂ Refrigeration Technologies. Proceedings: Ohrid, North Macedonia, 16-17 September, 2021
• Formats : PDF

High temperature heat pump using HFO and HCFO refrigerants: system design, simulation, and first experimental results.

• Author(s) : ARPAGAUS C., BLESS F., UHLMANN M., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

High temperature heat pumps: market overview, state of the art, research status, refrigerants, and application potentials.

• Author(s) : ARPAGAUS C., BLESS F., UHLMANN M., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

High-temperature working fluids for heat pumps – A way to select the optimal fluid for a given application.

• Author(s) : PACHAI A. C., HAFNER A., ARPAGAUS C.
• Publication date: 2023/04/27
• Languages : English
• Source: 10^th IIR Conference on Ammonia and CO₂ Refrigeration Technologies.
• Formats : PDF

ICR2011 highlights: micro-refrigeration development

Micro-refrigeration development was one of the important themes of the IIR Congress in Prague.

• Publication date : 2011/12/15

ICR2011 highlights: cooling particle detectors

Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...

• Publication date : 2012/02/21

ICR2011 highlights: carbon capture and storage (CCS) perspectives

During ICR2011, a complete session was devoted to carbon capture and storage (CCS). Berstad et al.(1) stressed that according to IEA, out of the targeted global annual CO2 emissions reductions – 50% by 2050 compared to 2005 levels –, CO2 CCS from...

• Publication date : 2011/11/16
• Subjects: Environment, General information

ICR2011 highlights: possibilities for micro-scale natural gas liquefaction

Due to increasing energy demand, interest in micro-scale natural gas liquefaction plants for the exploitation of stranded wells is growing. At ICR2011, a team from Universita Politecnica delle Marche, Italy, presented a paper describing and...

• Publication date : 2012/01/26

ICR2015:Trane exhibits chiller with new DR-55 refrigerant

At ICR2015, Trane, a brand of Ingersoll Rand, is presenting an air-cooled demonstration chiller using the new DR-55 refrigerant (HFO-HFC mixture).

• Publication date : 2015/08/19

ICR2011 highlights: improving insulation thanks to vacuum

Vacuum insulated panels (VIPs) are a new technology which is theoretically 5 times less conductive than classic polyurethane panels (3 times less in practice because of the various thermal bridges).

• Publication date : 2012/01/05

ICR2011 highlights: a refrigeration road map for supermarkets

A road map developed by a team from London South Bank University, Faculty of Engineering, Science and the Built Environment introduces the main saving opportunities for refrigeration in the retail sector

• Publication date : 2011/12/13

ICR2019: focus on innovative refrigeration technologies for developing countries

Several papers presented during the IIR International Congress of Refrigeration in August 2019 addressed advances in the refrigeration technologies that are particularly adapted to hot countries with limited electricity supply: solar...

• Publication date : 2019/11/29
• Subjects: Developing country

ICR2011 highlights: indoor air-quality issues in passive buildings

Polish specialists recommend mechanical ventilation for passive buildings

• Publication date : 2012/03/13

ICR2019: overview of current refrigeration research topics (part III)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

ICR2019: overview of current refrigeration research topics (part IV)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

Purdue conferences highlights: development of high-temperature heat pumps

High-temperature heat pumps are currently subject to intense R&D work, as illustrated by several papers presented at Purdue last year. All Purdue papers can now be downloaded from the Fridoc database.

• Publication date : 2019/02/28

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 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

ICR2011

The IIR International Congress of Refrigeration (ICR) takes place every four years. The next one will take place in Beijing, China, in 2007. All IIR member countries voted to select the host country for ICR2011. There were two applicants: the...

• Publication date : 2005/07/19

Now available: ICR2015 congress papers

Following on from the successful IIR International Congress of Refrigeration (ICR2015), the long anticipated papers and proceedings are now available to download in Fridoc.

• Publication date : 2015/12/09

The long awaited ICR2015 is underway!

Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.

• Publication date : 2015/08/19

ICR2015 Abstract submission deadline extended!

ICR2015 is gearing up to be more successful than ever with over 880 abstracts already submitted!

• Publication date : 2014/11/04

ICR2015: A stimulating environment for dynamic exchanges

With a focus on improving standards and the quality of life of many worldwide, as well as emphasising the importance of preserving the earth through the advancement of refrigeration applications and technology, ICR2015 is expected to attract a...

• Publication date : 2015/04/08

ICR2015: Early Bird Registration now open

Registration is now open for the much anticipated 24th ICR will be held at Yokohama, Japan from 16 to 22 August 2015.

• Publication date : 2015/01/30

A sneak preview of ICR2015 Highlights

The 25th International Congress of Refrigeration ended on Saturday, August 22nd proving to be more successful than ever with 1186 conference delegates from 55 countries, 11 tracks and 900 sessions.

• Publication date : 2015/08/26

ELICiT pulls in the crowds at ICR2015

The second ELICiT project workshop on magnetic cooling welcomed over 70 participants from around the globe.

• Publication date : 2015/10/07

ICR2015 : The 24th IIR International Congress of Refrigeration

16 - 22 August 2015, the 24th ICR takes place in Yokohama, Japan!

• Publication date : 2013/10/10

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

• Publication date : 2015/05/06

Call for abstracts now open for ICR 2019

From August 24-30, 2019, birthplace to the Montreal Protocol signed in 1987, Montreal (Canada),will host the 25th IIR International Congress of Refrigeration – ICR 2019.

• Publication date : 2018/01/16

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

Discover the winners of the IIR Student Competition

On the occasion of ICR2015, the IIR is sponsoring the first ever undergraduate student project competition entitled "ICR2015 Refrigeration for the Sustainable Cold Chain and Food Safety" (RSCC&FS).

• Publication date : 2015/07/15

IC2015 Workshops: An opportunity to join, share and build together

ICR2015: A chance to actively participate in the innovation of refrigeration.

• Publication date : 2015/06/17

The Congress in Yokohama: a great success!

In Yokohama, the International Congress of Refrigeration (ICR2015), a huge milestone in the refrigeration sector, saw a massive amount of information disseminated and certainly lived up to expectations with almost 1,200 conference delegates, 143...

• Publication date : 2015/09/16

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

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...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers