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Numerical modeling of critical-state magnetization in type-II superconducting cylinders under parallel and transverse magnetic field.

• Author(s) : FARINON S., IANNONE G., FABBRICATORE P., et al.
• Publication date: 2016/11
• Languages : English
• Keywords : Superconductor, Simulation, Magnetism, Critical state, Cylinder, Magnetic field
• Source: Cryogenics - vol. 81

Field measurements of supermarket refrigeration systems. Part I: Analysis of CO2 trans-critical refrigeration systems.

• Author(s) : SEWALHA S., KARAMPOUR M., ROGSTAM J.
• Publication date: 2015/08/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 87

IIR document

Evaluation applicability of trans-critical CO2 refrigeration system using field data of an ammonia based plant.

• Author(s) : SINGH S., DASGUPTA M. S.
• 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

Energy efficiency evaluation of integrated CO2 trans-critical system in supermarkets: A field measurements and modelling analysis.

• Author(s) : KARAMPOUR M., SAWALHA S.
• Publication date: 2017/10
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
• Formats : PDF

Field measurements of supermarket refrigeration systems. Part II: Analysis of HFC refrigeration systems and comparison to CO2 trans-critical.

• Author(s) : SEWALHA S., KARAMPOUR M., PISCOPIELLO S., et al.
• Publication date: 2017/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 111

IIR document

Integration of heating and air conditioning into a CO2 trans-critical booster system with parallel compression Part II: performance analysis based on field measurements.

• Author(s) : KARAMPOUR M., SAWALHA S.
• 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

Integration of heating and air conditioning into a CO2 trans-critical booster system with parallel compression Part I: evaluation of key operating parameters using field measurements.

• Author(s) : KARAMPOUR M., SAWALHA S.
• 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

Electronic transport properties of NBTI in copper matrix superconducting wires.

• Author(s) : NICULESCU A. E., PICIOREA I., RIZOIU A., et al.
• Publication date: 2016/06/22
• Languages : English
• Source: 1^st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016). Proceedings: Bucharest, Romania, June 22-25, 2016.
• Formats : PDF

IIR document

Some aspects of scaling and universality in magnetocaloric materials.

• Author(s) : SMITH A., NIELSEN K. K., BAHL C. R. H.
• Publication date: 2014/09/07
• Languages : English
• Keywords : Temperature, Adiabatic magnetization, Simulation, Magnetic property, Material, Entropy, Curie, Magnetic field
• Source: 6^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI). Proceedings: Victoria, Canada, September 7-10, 2014.
• Formats : PDF

IIR document

Correlation between grain connectivity, packing density, and critical current density in MgB2 synthesized by in situ/ex situ combination technique.

• Author(s) : SHAH S., SHAHABUDDIN, ALZAYED N. S.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Superconduction, Boron, Magnesium, Expérimentation, Current density, Critical density
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

IIR document

Effect of superconductivity on microscale radiative heat transfer.

• Author(s) : KRÁLÍK T., FORT T., MUSILOVÁ V., et al.
• Publication date: 2016/06/22
• Languages : English
• Source: 1^st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016). Proceedings: Bucharest, Romania, June 22-25, 2016.
• Formats : PDF

IIR document

Experimental study on thermal performances of heat pipes for air-conditioning systems influenced by magnetic nanofluids, external fields and micro wicks.

• Author(s) : CHIANG Y. C., KUO W. C., HO C. C., et al.
• Publication date: 2014/07
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 43
• Formats : PDF

IIR document

Challenges of high field large bore superconducting “outserts” for research magnets.

• Author(s) : CLARKE N., BALL S., BROWN J., et al.
• Publication date: 2017/05/15
• Languages : English
• Keywords : Superconduction, Cryostat, Magnet, Quench (superconductivity), High temperature, Expérimentation, Magnetic field
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

IIR document

Gas breakthrough across a porous array structure wetted by cryogenic fluid.

• Author(s) : YI T., YANG G., LI C., WU J.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Cryogenics, Critical pressure, Aerospace application, Propellant, Porous medium, Modelling, Calculation, Simulation
• 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

Field measurement analysis of integrated refrigeration system in a new supermarket.

• Author(s) : THANASOULAS S., PEREA DIAZ C., SAWALHA S.
• Publication date: 2020/12/07
• Languages : English
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

Events: c-dig

The latest c-dig (carbon dioxide interest group) meeting took place in Lyon, France, on November 3-4, 2008 and was attended by about 40 researchers, compressor manufacturers and industry stakeholders. It gave an overview of the current state of...

• Publication date : 2009/02/24

Briefs: Ice slurries, heart attack victims and surgery patients

In cardiac arrest victims, without fresh oxygen from blood pumped through the body, brain cells start to die in just minutes. Within 10-20 minutes after the heart stops beating, even if doctors can get the heart beating again, the brain has died....

• Publication date : 2009/12/09

Refrigeration’s contribution to CCS

Led by IFP (France), the European research project Cocate - which brings together 8 other research and industrial partners worldwide for a budget of 4.5 million € - tackles the problems of rolling out a shared transportation infrastructure capable...

• Publication date : 2010/05/27

Ohrid 2019: latest technology trends for ammonia and CO2

Synthesis of several refrigerating installation case studies using ammonia and CO2 based on papers from the recent IIR conference in Ohrid.

• Publication date : 2019/05/29

A possible major step in the quest of room-temperature superconductivity

Two researcher teams have just reported experiments indicating that a hydride of lanthanum compressed to 1.7 to 1.85 million bar has a critical temperature of 250–260 K (-23 – -13°C).

• Publication date : 2019/01/31

IIR 2023 conference in Ohrid: focus on CO2 heat pumps

As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles. 

• Publication date : 2023/05/26
• Subjects: Technology

Alternatives to replace R404A for refrigerated transport

With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...

• Publication date : 2020/09/04
• Subjects: HFCs alternatives

Status and potential applications of thermal energy storage in China, Japan and South Korea

During the 10th IIR Conference on PCMs and Slurries for Refrigeration and Air Conditioning held in Kobe, Japan, the status and potential applications of thermal energy storage in China, Japan and South Korea was presented

• Publication date : 2012/12/31

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

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

Noise reduction strategies for screw compressors

The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...

• Publication date : 2021/05/31

Energy efficiency of HVAC equipment suffers due to poor installation

According to a NIST research report, the benefits of improved energy efficiency ratings can go for naught if the refrigerating equipment is not installed properly.

• Publication date : 2014/12/02

Geothermal heat-pump under supermarket car park

Walmart’s new 12,540 m² prototype store in Burlington, ON, Canada is equipped with a geo-heat exchange heating and cooling system using 15 km of pipes under the store’s parking lot.

• Publication date : 2014/04/16

Commercial refrigeration in Europe: huge potential for saving money

Compared to "remote rack CO2" systems, a store using integral display cases with propane (R290) as a refrigerant could achieve savings of over EUR 50,000 over a 10 year period, according to a life-cycle analysis.

• Publication date : 2018/03/22

A study ranks the investment of the European Union countries to implement the Paris Agreement

An independent study states that only three countries in Europe push in the right direction to comply with the Paris climate agreement.

• Publication date : 2017/04/03
• Subjects: Regulation, HFCs alternatives

Vapour-compression alternatives to serve future HVAC applications

A March 2014 report* prepared for the US Department of Energy by Navigant Consulting identifies and evaluates 17 technologies which could potentially replace traditional vapour-compression technology in residential and commercial HVAC applications

• Publication date : 2014/07/01

Corporate Members: news

- Danfoss has experienced booming sales 18% growth over the first three quarters of 2007. Sales reached 2.2 billion €. Growth in China and Latin America was particularly positive and end of year sales are expected to top 3 billion €.

• Publication date : 2008/02/12

June 2004: fruitful meetings of the IIR’s statutory committees

Here are some highlights of the annual meetings of the IIR's statutory bodies (Management Committee, Science and Technology Council [STC] and Executive Committee): Strategic Plan of the IIR Four years after having adopted its Strategic...

• Publication date : 2004/07/27

Another successful IIR Gustav Lorentzen conference 2016

Dedicated to natural refrigerants, mainly ammonia, carbon dioxide and hydrocarbons, Gustav Lorentzen 2016 was a great success attracting over 270 people and more than 145 papers from leading international researchers and industrialists.

• Publication date : 2016/09/14

The IIR worldwide (June 2019)

Focus on the latest IIR interventions around the world.

• Publication date : 2019/06/28

Cryogenics and Low-Temperature Physics: New Horizons and Challenges

This Focus written by Ralf Herzog*, President of the IIR’s Cryophysics, Cryoengineering commission (Commission A1) for the Newsletter of the IIR is the third in a series of presentations of the activities and hot research topics handled by the...

• Publication date : 2012/09/21

Newsletter INDEE+ | September 2023

The latest news on the INDEE+ project.

• Publication date : 2023/09/22

Statement by Yosr Allouche, new Director General of the IIR

The International Institute of Refrigeration (IIR) is pleased to announce the official nomination of Yosr Allouche as its new Director General. In this statement, she outlines her vision and aspirations for the...

• Publication date : 2024/10/17

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...

• Publication date : 2019/11/20

Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases

The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.

• Publication date : 2014/03/07

IIR conference activities in 2016 show a promising choice of events

IIR conference activities in 2016 show a promising choice of events covering cutting edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.

• Publication date : 2016/03/02

Check out the upcoming cutting edge IIR events for 2016

IIR conference activities in 2016 show a promising choice of events.

• Publication date : 2015/12/16

Call for abstracts for the IIR International Rankine 2020 Conference

Submit your abstracts online today for the next Rankine Conference on Advances in Cooling, Heating and Power Generation. Deadline ends 13th September 2019.

• Publication date : 2019/05/21

ACES Inaugural Conference: “The Hot Reality: Living in a +50°C World”

The Africa Centre of Excellence for Sustainable Cooling and Cold Chain (ACES) hosted a series of events from 17 to 19 October 2023, at ACES headquarters at Rubirizi Campus in Kigali, Rwanda. 

• Publication date : 2023/11/28

New IIR Informatory Note on The Role of Refrigeration in the Global Economy

In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...

• Publication date : 2019/08/29
• Subjects: Figures, economy

IIR advocates for sustainable air conditioning solutions at HBRC event in Cairo

IIR played a prominent role in the HBRC International Conference held in Cairo from 14 to 17 December 2024. Its representatives led discussions on sustainable air conditioning, emphasising its technical and...

• Publication date : 2024/12/19

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 : English, French
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information