Search results

Structural modeling of HTS tapes and cables.

• Author(s) : ALLEN N. C., CHIESA L., TAKAYASU M.
• Publication date: 2016/02
• Languages : English
• Keywords : Superconducting cable, Superconducting tape, Modelling, High temperature
• Source: Cryogenics - vol. 80

IIR document

Simulation of high temperature heat pump performance.

• Author(s) : LUND T.
• Publication date: 2024/08
• Languages : English
• Keywords : Performance, Heat pump, High temperature, Simulation
• 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

High-glide refrigerant blends in high-temperature heat pumps: Part 1 – Coefficient of performance.

• Author(s) : BRENDEL L. P. M., BERNAL S. N., WIDMAIER P., ROSKOSCH D., ARPAGAUS C., BARDOW A., BERTSCH S. S.
• Publication date: 2024/09
• Languages : English
• Keywords : Industrial application, Heat pump, Mixture, COP, Comparison, High temperature, Performance
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 165
• 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
• Keywords : CFD, Simulation, Heat exchanger, High temperature, High pressure, Modelling, Performance, Aerospace application
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Modelling of 3D temperature profiles and pressure drop in concentric three-phase HTS power cables.

• Author(s) : SHABAGIN E., HEIDT C., STRAUß S., et al.
• Publication date: 2016/11
• Languages : English
• Keywords : Superconducting cable, Temperature, Modelling, High temperature, Pressure drop
• Source: Cryogenics - vol. 81

Design and optimization of a HTS insert for solenoid magnets.

• Author(s) : TOMASSETTI G., MARZI G. de, MUZZI L., et al.
• Publication date: 2016/06
• Languages : English
• Keywords : Magnet, Design, Superconductor, Optimization, High temperature
• Source: Cryogenics - vol. 80

IIR document

HTS racetrack coils for electrical machines.

• Author(s) : KOZUB S., BOGDANOV I., DEZHIN D., et al.
• Publication date: 2014/04/07
• Languages : English
• Keywords : Superconducting coil, Prototype, High temperature superconductor, Testing
• Source: Cryogenics 2014. Proceedings of the 13^th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
• 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
• Keywords : R600a, Safety, R22, High temperature, High pressure, Explosion, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

Development of a compact cryocooler system for high temperature superconductor filter application.

• Author(s) : PANG X., WANG X., ZHU J., et al.
• Publication date: 2016/06
• Languages : English
• Keywords : Pulse tube, Superconductor, High temperature, Expérimentation, Cryocooler
• Source: Cryogenics - vol. 80

Experimental investigation on R245fa throttling devices under high temperature.

• Author(s) : HUANG M., LIANG X., WU Y., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : R245fa, Electronic expansion valve, Correlation, Capillary tube, High temperature, Expérimentation, Flow rate
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Development of a high-temperature heat pump up to 140°C.

• Author(s) : MÜLLER M., NOACK R., STEINJAN K.
• Publication date: 2023/08/21
• Languages : English
• Keywords : High temperature, Heat pump, Test rig, Waste heat, COP, Compressor
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Thermodynamic properties (Daniel Plot) of lubricant - supercritical CO2 mixtures at high temperatures.

• Author(s) : FEJA S., HANZELMANN C., ZUBER S.
• Publication date: 2021/09/16
• Languages : English
• Keywords : Thermodynamic property, Lubricant, CO2, R744, Mixture, High temperature, Expérimentation
• Source: 9^th IIR Conference on Ammonia and CO₂ Refrigeration Technologies. Proceedings: Ohrid, North Macedonia, 16-17 September, 2021
• Formats : PDF

IIR document

High-temperature cooling & low-temperature heating AC system evaluation of energy saving in an office in Tokyo.

• Author(s) : URANO K., SUMITA A.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Office, Japan, Building, Low temperature, High temperature, Energy saving, Air conditioning, Heating
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Overview of a newly-installed high-temperature heat pump demonstrator coupled with high-temperature mine thermal energy storage.

• Author(s) : PASSAMONTI A., BOMBARDA P., PACHAI A. C., KLEIN S., SCHNEIDER C., BRACKE R.
• Publication date: 2024/11
• Languages : English
• Keywords : Heat pump, High temperature, Thermal energy storage, Mine, Europe, Water, Expérimentation, District heating
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 167
• Formats : PDF

High temperature sorption heat pumps for multi-family buildings.

• Author(s) : BONGS C., NIENBORG B., PALANIAPPAN R., et al.
• Publication date: 2017/08/07
• Languages : English
• Keywords : Hot water, Germany, Building, Sorption, Heat pump, Modelling, High temperature
• Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.

High temperature heat pumps to increase energy efficiency of industrial processes

Summary of an article published in the International Journal of Refrigeration.

• Publication date : 2018/01/25

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

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

Assessing the market potential of industrial heat pumps in Europe

To address the lack of product development of high temperature heat pumps, a recent article provides manufacturers with an estimate of the industrial heat pump market potential in...

• Publication date : 2021/11/30
• Subjects: Figures, economy, 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: Technology, Environment

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

For IIR members only

24 European countries offer financial support for industrial heat pumps

According to an EHPA report, nearly all European countries offer financial subsidies or support for companies to invest in industrial heat pumps.

• Publication date : 2024/12/17
• Subjects: General information

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

The challenges of thermal management of next-generation electronic equipment

With the increasing integration and miniaturization of electronic devices, the heat flows they generate are constantly increasing. Spray cooling has many advantages in this regard. 

• Publication date : 2023/03/27

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

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

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

For IIR members only

Emissions Gap Report 2024: the role of refrigeration in reducing emissions

In its latest report, UNEP outlines the potential for emissions reduction in various sectors, including energy efficiency measured in the buildings sector.

• Publication date : 2024/11/13
• Subjects: Environment

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

Heat pump efficiency at low temperatures

A study based on field data shows that heat pumps had significantly higher energy efficiency than oil or gas heating systems, particularly for outdoor temperatures above -10°C. 

• Publication date : 2023/09/22

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

Available now: All 474 papers from the Purdue Conferences 2018

Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.

• Publication date : 2019/05/06

World Refrigeration Day 2021 reaches every corner of the globe!

This year, seven organisations partnered with World Refrigeration Day to bring to the limelight the exciting career opportunities in fields relying on refrigeration.

• Publication date : 2021/09/08

Commission E2: at the forefront of heat pumps and energy recovery

Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”

• Publication date : 2015/07/01

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

Supercooling and superchilling: A solution to increased shelf life and reduced food waste?

If these technologies were combined with perfusion chilling for meat and fish, then additional benefits such as rapid cooling, low weight loss and novel products could result.

• Publication date : 2015/10/27

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

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

ICR 2023: It was nice to meet you at our booth!

The IIR’s booth received a large number of visitors. From regulars who came to say hello to curious onlookers drawn by the extensive display to participants looking for information, exchanges were varied and...

• Publication date : 2023/09/04

World Refrigeration Day 2021: Join the “Cool Careers” webinars  

Save the date! Participate in a World Refrigeration Day webinar in June. 

• Publication date : 2021/05/27

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.

• Publication date : 2023/10/27

Past events: The IIR around the world, August and September 2024

A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).

• Publication date : 2024/10/07

Member news: Latest news from Air Liquide

Air Liquid inaugurates a low-carbon hydrogen production unit and promotes the development of helium refrigeration. 

• Publication date : 2021/02/23

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

Next Generation Cooling: World Refrigeration Day Announces 2023 Theme

Titled "Next Generation Cooling", the WRD 2023 campaign will focus on the future of cooling technology, the industry, the people working within it, and those that benefit from cooling.

• Publication date : 2023/05/27
• Subjects: Environment

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

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

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

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)

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…)

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...

• Last update : 2023/01/16
• Langues : French, English
• Themes : Fruit, Vegetables