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Étude numérique du comportement dynamique d’un écoulement turbulent dans une jonction en I.

Numerical study on the dynamic behaviour of a turbulent flow in an l-shaped junction.

• Author(s) : RIAHI A., CHOUCHANE L., HARMAND S., et al.
• Publication date: 2016/03/24
• Languages : French
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

Geometric effects on phase separation of refrigerant at horizontal branching T-junction.

• Author(s) : SU W., HWANG Y., ZHAO K. T.
• 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

Phase separation of two-phase ammonia in horizontal T-junction at low mass velocity.

• Author(s) : RUZAIKIN V., LUKASHOV I., BREUS A., FEDORENKO T.
• Publication date: 2023/05
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 149
• Formats : PDF

IIR document

Experimental study on flow characteristics of ice slurry through a T-junction Part I: Laminar flow.

• Author(s) : KUMANO H., KOBAYASHI T., MAKINO Y., MORIMOTO T., ASAOKA T.
• Publication date: 2020/08
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 116
• Formats : PDF

IIR document

Numerical simulation on constituent separation and mass transfer of binary zeotropic mixtures in a branching T-junction.

• Author(s) : SU D., ZHAO L., ZHAO R., BAI M., WANG Q., ZHU Y.
• Publication date: 2022/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 135
• Formats : PDF

IIR document

Numerical analysis and artificial neural network-based prediction of two-phase flow pressure drop of refrigerants in T-junction.

• Author(s) : ZHI C., ZHANG Y., ZHU C., LIU Y.
• Publication date: 2022/05
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 137
• Formats : PDF

IIR document

Experimental study on flow characteristics of ice slurry through a T-junction Part II: Turbulent flow.

• Author(s) : KUMANO H., KOBAYASHI T., MORIMOTO T., ASAOKA T.
• Publication date: 2020/08
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 116
• Formats : PDF

IIR document

Simulation study on phase separation and pressure distribution of refrigerant in horizontal double T-junctions.

• Author(s) : BAI M., ZHAO R., LU P., YANG B., ZHAO L., ZHANG Y.
• Publication date: 2021/06
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 126
• Formats : PDF

IIR document

Numerical simulation on constituents separation of R134a/R600a in a horizontal T-junction.

• Author(s) : LU P., DENG S., YANG B., ZHAO L.
• Publication date: 2020/07
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
• Formats : PDF

IIR document

Vapor–liquid separation of mixtures R134a/R600a at horizontal branch T-junctions.

• Author(s) : SU W., YU A., YANG B., ZHAO L.
• Publication date: 2020/06
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 114
• Formats : PDF

IIR document

A design approach for liquid separators applied to household refrigerators.

• Author(s) : JANKE I., SANTOS SILVEIRA (dos) A., MELO C.
• Publication date: 2019/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
• Formats : PDF

A design approach for liquid separators applied to household refrigerators.

• Author(s) : JANKE I., SILVEIRA A., MELO C.
• 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

Numerical study of gas-liquid two-phase flow distribution of refrigerant mixtures in a vertically-upward T-junction.

• Author(s) : FENG Z., LI H., LOH W. L., LEI X., LIU J., GUO K.
• Publication date: 2023/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 147
• Formats : PDF

IIR document

Effect of gap-junctional cell-to-cell communication on intracellular ice propagation and consequent cell viability.

• Author(s) : FUKUNAGA T., KUBO H., KURATA K., 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

IIR document

ONE-PUMPDOWN-FABRICATED NIOBIUM-SILICON-SILICON DIOXIDE-NIOBIUM JOSEPHSON TUNNEL JUNCTIONS.

• Author(s) : YOUBAO L.
• Publication date: 1983/08/07
• Languages : English
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

CO2 supermarkets worldwide

In its latest Accelerate Europe magazine, Shecco has disseminated figures illustrating the growth of CO2 in the commercial refrigeration sector.

• Publication date : 2016/05/03

A refrigerator running on sun and water.

A student of MIT in Boston has developed The Evaptainers, an electricity-free and mobile fridge, using evaporative cooling technology.

• Publication date : 2015/07/09

Introduction of R32 air-conditioning units in Japan

Japanese firms Panasonic, Hitachi and Fujitsu join Daikin and Mitsubishi Electric in announcing the introduction of air conditioning units running on R32.

• Publication date : 2013/12/26

India: solar-powered micro cold rooms

Solar-powered micro cold rooms using phase-change materials could be a solution for small farmers in India.

• Publication date : 2017/08/25
• Subjects: Developing country

Ireland: example of energy storage using wind turbine

The idea is to store excess energy produced at night and to reuse it when it’s necessary during the day.

• Publication date : 2015/03/23

Single-fuel LNG ferries with waste heat recovery systems

A Dutch ferry operator has recently commissioned two new ships with single-fuel LNG engines. The ships are also equipped with a waste heat recovery system to generate electricity.

• Publication date : 2021/03/18
• Subjects: General information, Technology

Grenada inaugurates its first R290 air conditioning systems

On August 25, the small Caribbean island country of Grenada installed its first two air-conditioning (AC) units using hydrocarbons.

• Publication date : 2017/09/22
• Subjects: Developing country

Use of ejectors for performance improvement in CO2 commercial refrigeration systems

Expansion work recovery by means of a two-phase ejector is an attractive option for improving the efficiency of CO2 commercial refrigeration systems. Transcritical CO2 systems have relatively large throttling loss, meaning that they offer the...

• Publication date : 2016/05/13

First CO2 Ice Rink in the US.

The Harry J. McDonald recreational center in Anchorage, Alaska, became the first ice rink in the US using CO2 as a refrigerant.

• Publication date : 2015/11/09

UK: 48% of pre-2004 air conditioners still on R22

A contractor’s survey of over 2,500 customers who bought air conditioners prior to 2004 found that nearly half of the systems are still operating on R22.

• Publication date : 2014/07/10

Evaluating lubricants for lower GWP refrigerant compressor operation.

Summary of an interesting paper from the recent Purdue conference.

• Publication date : 2017/03/06

Ambient beer cooler cuts energy bills

A new ambient beer cooler, using free cooling when available, could save 40% of energy costs.

• Publication date : 2015/03/18

Germany: a new heat pump system using propane for supermarkets

The discount retailer Aldi and the refrigeration company Viessmann recently presented a joint energy program consisting in a sustainable energy system employing propane heat pumps.

• Publication date : 2017/11/09

A new CO2 system as a major advancement for the convenience store refrigeration market

In UK, Space Engineering has launched a new CO2-based integrated refrigeration system which is said to be ideal for convenience stores.

• Publication date : 2016/09/07

Overview of data center cooling technologies

The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...

• Publication date : 2022/12/15
• Subjects: Technology

Catch up on the IIR Working Group on LCCP evaluation in Chicago

IIR Working Group on Life Cycle Climate Performance (LCCP) evaluation continues to make impressive headway.

• Publication date : 2015/02/11

Press release: The IIR Launches Quiz on The Impact of Refrigeration on the Climate Change

In conjunction with the newly released 35th IIR Informatory Note on The Impact of the Refrigeration Sector on Climate Change, the International Institute of Refrigeration (IIR) has launched a quiz on “Refrigeration and the environment”, which...

• Publication date : 2017/12/14

COP21 UN climate change conference 2015

The Conference of the Parties (COP21) organized by host country France in conjunction with United Nations.

• Publication date : 2015/02/26

STEF-TFE opens largest cold store in Madrid

New site cuts energy consumption by 15% with innovative energy storage system during off-peak hours

• Publication date : 2011/12/08

Brief: Interclima

Interclima took place in Paris in conjunction with Idéo Bain on January 17-20, 2006. Thanks to the kind invitation of Association du Froid (AFF), Susan Phalippou and Myriam Armengaud ran the IIR's stand and set up numerous contacts. The joint...

• Publication date : 2006/05/05

International events: Seoul

HARFKO 2009 was held at Kintex in Koyang City, near Seoul, South Korea, on March 18-21, 2009. 20 000 visitors discovered a broad range of products on 176 stands. Thanks to KRAIA (Korea Refrigeration and Air conditioning Association), the IIR ran a...

• Publication date : 2009/05/18

International activities: Danske Køledage

Highlights of this year's annual conference of the Danish Refrigeration Association held in Odense on March 15-16, 2007 include: a comprehensive presentation of the IIR given by Prof. Joachim Paul, over 30 papers on a broad range of scientific...

• Publication date : 2007/05/04

I-SWG workshop at Delft Days Magnetocaloric Conference

Workshop organised by the IIR Industrial Sub-Working Group (I-SWG) on Magnetic refrigeration

• Publication date : 2015/10/28

International activities

The IIR must play a visible role at various international events. As an intergovernmental organization, the IIR will participate in the coming major international events organized by the United Nations: - the 18th Meeting of the Parties (MOP-18)...

• Publication date : 2006/11/15

Brief: Dr David Tanner

Dr David Tanner has finished a 2-year mandate as President of AIRAH (The Australian Institute of Refrigeration, Air Conditioning and Heating). Dave has paid tribute to Jennifer Pelvin (Chief Executive) and her staff and highlighted the following...

• Publication date : 2006/01/28

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

Lima : A step towards an international climate agreement in 2015 ?

An outline for future negotiations during the Paris conference in 2015.

• Publication date : 2014/12/23

IIR at the 2024 ASHRAE winter conference and contribution to INWIC at the 2024 AHR expo

During ASHRAE’s Winter and the AHR expo meeting which took place in Chicago on January 20-24, the IIR organised and participated in the International Network of Women in Cooling (INWIC) networking...

• Publication date : 2024/01/26

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

International collaboration: The key to a prosperous future in refrigeration

The IIR puts its international network into action for the benefit of all.

• Publication date : 2015/08/12

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

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)

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

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

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

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

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