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IIR document

Cryogenic high-pressure thermomechanical pressurizer.

• Author(s) : SYMONENKO I., CHYHRIN A., KOSTENKO Y.
• Publication date: 2023/04/25
• Languages : English
• Source: Cryogenics 2023. Proceedings of the 17^th IIR International Conference, Dresden, Germany, april 25-28 2023
• Formats : PDF

Modeling of the microbial inactivation by high hydrostatic pressure freezing.

• Author(s) : MARESCA P., FERRARI G.
• Publication date: 2017/03
• Languages : English
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 73

IIR document

A small-scale natural gas liquefaction process utilizing the pressure energy of the high-pressure pipelines.

• Author(s) : TAN H., ZHENG J., SUN N., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

CFD-based analysis & correlation development for a novel multi-furcating heat exchanger for high temperature, high pressure applications.

• Author(s) : TANCABEL J., GERSTLER W., ERNO D., LING J., AUTE V., DE BOCK H. P. J., RADERMACHER R.
• Publication date: 2021/05
• Languages : English
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Explosion characteristics of chlorodifluoromethane and isobutane at high temperature and pressure using a 20-L apparatus.

• Author(s) : TSAI Y. T., LIAO J. Y., SHU C. M.
• Publication date: 2018/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

Optimization of machining performance in high-pressure assisted turning of Ti6A14V alloy.

• Author(s) : ÇOLAK O.
• Publication date: 2014/10
• Languages : English
• Source: Strojniski vestnik - Journal of mechanical Engineering - vol. 60 - n. 10
• Formats : PDF

IIR document

Thermodynamic analysis of regenerated air-cycle refrigeration in high and low pressure configuration.

• Author(s) : GIANNETTI N., MILAZZO A.
• Publication date: 2014/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 40
• Formats : PDF

IIR document

Numerical investigation of ammonia boiling heat transfer in rectangular microchannel under high pressure.

• Publication date: 2024/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 168
• Formats : PDF

Research on the performance of a high pressure 5.3MPa twin screw compressor.

• Author(s) : ZHAO Z., WU X., HOU F., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

The effects of high hydrostatic pressure on grouper fillet aging.

• Author(s) : CHEN Y. T., CHAI H., KUO P., LIU H.
• Publication date: 2024/06/11
• Languages : English
• Source: 8^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
• Formats : PDF

IIR document

Influence of high-pressure heat treatment on magnetic and magnetocaloric effects in La_0.75Sr_0.25Mn_0.9Co_0.1O₃.

• Author(s) : JIN X., ZHAO J., GAO L., MA H., CHAO L., GAO H., O H., ZHU H., LI Q., XU J., LI Y., O T.
• Publication date: 2024/08/24
• Languages : English
• Source: 10^th IIR Conference on Caloric Cooling and Applications of Caloric Materials
• Formats : PDF

IIR document

Development and test results of a cryogenic high-pressure fuel gas system.

• Author(s) : KLUPSCH M., ZERWECK U., WESENBECK A., HEMPEL S., SCHOTTENHAMEL W., JANDE T., BOOG M., PROSPERO A., STECHER D., STAUDT M., GERBETH R., GERNHARDT A., VENTER J., KROLLA S., ALIAKAR S.
• Publication date: 2021/10/05
• Languages : English
• Source: Cryogenics 2021 online. Proceedings of the 16^th IIR International Conference, October 5-7, 2021.
• Formats : PDF

Recommended by the IIR / IIR document

How to optimize the floating high pressure

• Author(s) : GUILPART J., NOTTURNO J., ALTAMIRANO A.
• Publication date: 2023/08/21
• Languages : English
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

Effect of high-pressure pre-treatments and subsequent frozen storage on quality properties of horse mackerel.

• Author(s) : FIDALGO L. G., SARAIVA J. A., AUBOURG S. P., et al.
• Publication date: 2016/05/03
• Languages : English
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

CFD analysis of high pressure compressor: comparison with two refrigerants (R134A and R407C).

• Author(s) : ADHIKARY P., IQBAL F., SADRI R., et al.
• Publication date: 2018/07/27
• Languages : English
• Source: Proceedings of the International Conference on Emerging Technologies for Sustainable and Intelligent HVAC&R Systems, Kolkata, July 27-28 2018.
• Formats : PDF

Japan: update of the High Pressure Gas Safety Act

Since July 2017, revisions of this regulation expedite the adoption of alternative refrigerants with lower GWP.

• Publication date : 2018/01/02
• Subjects: Regulation

A cryogenic distillation column

A high-pressure cryogenic distillation column which replicates a key component of a liquefied natural gas (LNG) plant has been developed in Australia.

• Publication date : 2018/08/08

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

Pressure exchanger enhances efficiency of CO2 refrigeration systems

A new pressure exchanger technology, adapted from the desalination industry, offers significant energy efficiency improvements for CO2 refrigeration systems, addressing challenges of high energy...

• Publication date : 2024/12/02

ICR 2019: an overview of current refrigeration research (part I)

Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.

• Publication date : 2019/09/30
• Subjects: HFCs alternatives

Cryogenics 2021 highlights: applications of liquid nitrogen

Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...

• Publication date : 2022/01/28

Kelvion extends its range of natural refrigerant air coolers

To drive decarbonisation by using natural refrigerants such as CO2, ammonia or propane, Kelvion has expanded its range of industrial air cooler. Kelvion is an IIR corporate member. 

• Publication date : 2023/05/27

Reducing the environmental impact of ultra-low temperature refrigeration systems

Ultra-low temperature (ULT) refrigeration systems often use very high-GWP HFCs. Yet, ULT systems are excluded from the scope of the regulations aimed at phasing-down HFCs. An IJR paper reviews the most promising...

• Publication date : 2020/04/05
• Subjects: HFCs alternatives, Environment

An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...

• Publication date : 2021/05/31
• Subjects: Technology

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...

• Publication date : 2023/05/30
• Subjects: Technology

An award-winning industrial dairy using an integrated heat pump system

A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...

• Publication date : 2021/03/29
• Subjects: Environment, Technology

The benefits of 3D printing in refrigeration and air conditioning

The various applications of 3D printing in the field of refrigeration and air conditioning highlight possible tremendous advantages in terms of energy efficiency and cost minimisation.

• Publication date : 2020/05/27
• Subjects: Technology

Evaporative cooling without adding humidity

Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.

• Publication date : 2020/05/26
• Subjects: Developing country, Technology

Two-phase ejectors: a high potential for energy savings

Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...

• Publication date : 2020/11/27

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.

• Publication date : 2023/01/26
• Subjects: Technology

New IIR Informatory Note on high-temperature heat pumps

IRR’s latest Informatory Note demonstrates that high-temperature heat pumps are a key technology in the decarbonisation of process industries. 

• Publication date : 2021/10/22

Technical visit to the Tokyo fish market

At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...

• Publication date : 2024/11/15

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.

• Publication date : 2021/07/08
• Subjects: Technology, Environment

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.

• Publication date : 2019/07/02

A New Era: Dr Yosr Allouche to become the first woman to head the International Institute of Refrigeration

A new chapter has begun for the International Institute of Refrigeration (IIR) with the triumphant election of Dr Yosr Allouche (39) as the first woman to hold the prestigious position of Director...

• Publication date : 2023/09/04

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.

• Publication date : 2019/09/12

IIR economic news service: the latest from our market report partners

The IIR has established partnerships with several leading market research companies, as well as with establishments that combine and provide detailed reports and global analytical studies on different sectors of the refrigeration or economic...

• Publication date : 2016/12/07

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.

• Publication date : 2015/04/21

Interview: Director General of the IIR gives an overview of the trends of the refrigeration sector

In the 2018-2019 international special issue of the Industria & Formazione magazine, Director General of the International Institute of Refrigeration, Didier Coulomb, gives an overview of the impact of the refrigeration sector on climate...

• Publication date : 2019/02/19

New IIR Informatory Note on solar cooling and other new publications

The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.

• Publication date : 2021/01/26

Now available: IIR-Gustav Lorentzen Conference Papers

Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!

• Publication date : 2021/01/19
• Subjects: Technology, Environment

What do refrigeration, air conditioning and social media have in common? A lot!

In 2014, an awareness raising social media campaign by Stephen Gill praising the too often overlooked virtues and benefits of refrigeration caused quite a stir, going viral.

• Publication date : 2015/07/21

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

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...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs

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

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...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

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...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: 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

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...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)