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IIR document

Development of an accumulator liquid-level estimator to enable zero-superheat control and active charge management in vapor-compression systems.

• Author(s) : LIU H., CAI J.
• Publication date: 2022/12
• Languages : English
• Keywords : Superheat, Control (automatic), Expérimentation, Test rig, Evaporator, Refrigerant charge, Tank, Modelling, Level
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 144
• Formats : PDF

Control-oriented modelling of thermal zones in a house: a multi-level approach.

• Author(s) : DATE J., CANDANEDO J. A., ATHIENITIS A. K.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Thermal analysis, Energy consumption, Calibration, Control (automatic), Modelling, Residential building
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Performance optimization of a transcritical CO2 refrigeration system using a controlled ejector

• Author(s) : HE Y., DENG J., ZHENG L., et al.
• Publication date: 2017/03
• Languages : English
• Keywords : Refrigerating system, Nozzle, Design, Level controller, Gas cooler, R744, Optimization, Ejector, Transcritical cycle
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 75
• Formats : PDF

Development and validation of an accumulator liquid-level estimator to enable zero-superheat and active charge control in vapor-compression systems.

• Author(s) : LIU H., CAI J.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Optimization in the control modes of propan pre-cooling and mixed-refrigerant process.

[In Chinese. / En chinois.]

• Author(s) : PAN H., LI S., LI Y., et al.
• Publication date: 2016/04
• Languages : Chinese
• Keywords : Precooling, Liquefaction, Control (automatic), Simulation, Propane, Optimization
• Source: Journal of Refrigeration - vol. 37 - n. 168
• Formats : PDF

IIR document

Performance test of solar-assisted ejector cooling system.

• Author(s) : HUANG B. J., TON W. Z., WU C. C., et al.
• Publication date: 2014/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 39
• Formats : PDF

IIR document

Improved oil level detection and equalization system for CO2 high pressure shell hermetic rotary compressor.

• Author(s) : ROSSANESE G., MATTIELLO L., MUVEGI W., et al.
• Publication date: 2019/04/11
• Languages : English
• Keywords : Control (automatic), R744, Oil, High pressure, Testing, Rotary compressor, Hermetic compressor, CO2
• Source: 8^th Conference on Ammonia and CO₂ Refrigeration Technology. Proceedings: Ohrid, North Macedonia, Avril 11-13, 2019.
• Formats : PDF

Refrigeration system technology in european off-shore fisheries.

• Author(s) : DAVIS B.
• Publication date: 2017/04/06
• Languages : English
• Keywords : Refrigeration, Ship, Maintenance, Microbiological quality, Performance, Fishing, Europe, Energy efficiency, Control (generic), Freezing time
• Source: Sustainable management of refrigeration technologies in marine and off-shore fisheries sectors.
• Formats : PDF

Controls automation benefits in addressing efficiency and safety in marine segment.

• Author(s) : VENKATESWARAN M.
• Publication date: 2017/04/06
• Languages : English
• Keywords : Ship, Safety, Sea transport, Control (automatic), Fishing, Evaporator, Defrosting
• Source: Sustainable management of refrigeration technologies in marine and off-shore fisheries sectors.
• Formats : PDF

IIR document

Possible solutions to improve energy efficiency for typical refrigeration control system in China cold storage.

• Author(s) : ZHIHUA H., MIKHAILOV A.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Refrigerating system, China, Cold store, Energy efficiency, Defrosting, Control (generic)
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

IIR document

Enhancement of vapor–liquid separation in vertical impact T-junctions for vapor compression systems with flash gas bypass.

• Author(s) : TUO H., HRNJAK P.
• Publication date: 2014/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 40
• Formats : PDF

A multi-level MPC simulation study in a school building.

• Author(s) : DEHKORDI V. R., CANDANEDO J. A.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Building, Control (automatic), Simulation, Prediction, School, Air conditioning
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Modeling cross-contamination during poultry processing: dynamics in the chiller tank.

• Author(s) : MUNTHER D., SUN X., XIAO Y., et al.
• Publication date: 2016/01
• Languages : English
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 59

The evaluation method of HVAC system's operation performance based on exergy flow analysis and DEA method.

• Author(s) : FANG X., JIN X. Q., ZHU Y., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Operation, Exergy, Comparison, China, Airport, Performance, Model, Case study, Control (generic), Air conditioning
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Control optimization for cold-room (walk-in) refrigeration units.

• Author(s) : MORENO P., ALBETS-CHICO X., ZSEMBINSZKI G., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Food industry, Cold room, Control (automatic), Prediction, Optimization, Modelling, Testing, Energy saving, Defrosting, Freezer
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Indian cold chain for vaccines

India has one of the largest Universal Immunization Programs (UIPs) in the world in terms of quantities of vaccines used, number of beneficiaries (27 million infants and 30 million pregnant women), geographical spread and manpower involved and...

• Publication date : 2012/07/10

ICCC2020 highlights: Benefits of IoT technologies for cold chain management

Internet of Things and cloud services are promising solutions for smart management and maintenance of the multiple cold rooms of supermarket chains.

• Publication date : 2020/10/22

New refrigerant leak detection and isolation technology.

Toshiba has introduced a system which will automatically isolate a specific section of air conditioning pipework in the event of a leak.

• Publication date : 2014/04/17

Heat pump sales grew in Europe in 2020

According to the latest market report by European Heat Pump Association (EHPA), heat pump sales grew by +7.4% in 2020, offering benefits both in terms of greenhouse gas emission...

• Publication date : 2021/11/29
• Subjects: Figures, economy

For IIR members only

Refrigerated containers: state of play and perspectives

Refrigerated containers play an essential role in the maritime refrigerated transport sector; a look back at the stages of their development and the recent and future technological advances of this...

• Publication date : 2024/02/26
• Subjects: Technology

China food chain

Last year, China reported almost 70 billion yuan (USD 8.63 billion) losses in discarded fruit and vegetables. Annual food production is estimated at USD 300 billion but over 20% of food is wasted during transportation due, according to the...

• Publication date : 2005/10/26

Ultracold polar molecules

Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...

• Publication date : 2008/10/22

Food cold chain: improving temperature control to reduce loss

Recent review articles provide an update on technologies to monitor temperature in the food cold chain, in order to avoid food loss during transport and...

• Publication date : 2022/04/29
• Subjects: Figures, economy, Technology

Intelligent fridges

- It is estimated that networked fridges will be widely used by 2015. How do consumers feel about such fridges that monitor product use, create shopping lists and arrange deliveries online? A recent survey involving 4600 shoppers in 8 countries...

• Publication date : 2008/08/12

Refrigeration innovations for the avocado market

The booming global avocado market calls for increasing standards of quality. Refrigeration technologies offer cutting-edge solutions for fruit ripening and seed preservation for future crops.

• Publication date : 2020/10/22

Briefs: Water savings thanks to hybrid condensers

Hybrid condensers offer significant water savings versus traditional water-cooled and evaporative condensers. They also make it possible to reduce energy consumption and refrigerant charge. In Australia, where water savings are a major issue since...

• Publication date : 2007/08/05

Heat pumps

- Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

• Publication date : 2005/07/19

Cryo-Evolution

Thanks to advances in new freezing techniques, Israeli scientists have successfully transplanted whole frozen and thawed ovaries in sheep, retrieved oocytes from these ovaries and triggered them in the laboratory into early embryonic development,...

• Publication date : 2005/10/26

Briefs: Pakistan: policy to support the cold chain

The Trade Development Authority of Pakistan (TDAP) plans to put in place a cold storage/cold chain infrastructure in order to fight post-harvest losses which are a major economic issue, for exports in particular. It is claimed that 35-40% of the...

• Publication date : 2009/08/13

Out of the ordinary: Oven or fridge?

TMIO has developed a dual oven/refrigerator that is Internet, cell-phone and telephone controlled. The "Intelligent Oven" makes sure that dinner is ready when you are and refrigerates your meal before and even after it is cooked. TMIO has adapted...

• Publication date : 2006/11/15

News from IIR members: Sofrigam

The number of drugs (e.g. targeted therapies, new vaccines, anti-diabetic drugs and blood derivatives) transported and kept at a controlled temperature is growing rapidly and these products are increasingly sensitive to temperature variations. In...

• Publication date : 2008/08/12

The Cold Chain: A logistical challenge at the heart of the distribution of the COVID-19 vaccine 

Gérald Cavalier - President of the Science and Technology Council of the International Institute of Refrigeration, President of the French Association of Refrigeration, President of the Cemafroid...

• Publication date : 2020/11/23
• Subjects: Technology, General information

News from IIR members: Cemafroid

Cemafroid (www.cemafroid.fr) is working on certification of night delivery in urban areas.

• Publication date : 2012/06/05

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

Member news: Carrier Transicold's innovative electrical technologies for refrigerated transport

Carrier Transicold promotes a new all-electric and autonomous cooling system for semi-trailers that completes its 100% electric range. 

• Publication date : 2021/03/29

Don’t miss your chance to support the IIR Congress 2023!

To ensure the visibility of your entity across the industry on an international level, sponsoring the 26th IIR International Congress of Refrigeration is a must!

• Publication date : 2022/12/13
• Subjects: General information

Invitation: IIR Seminar on the "Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries"

The IIR is delighted to invite you to the IIR Seminar on the "Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries” and an IIR Working Group meeting on The Cold Chain in Hot Countries.

• Publication date : 2016/09/21

IIR Seminar in Tunis brings to the forefront the social and economic strategic importance of the cold chain

Recognising the social and economic importance of this issue on a global scale, the IIR organised a seminar on the Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries on October 25, 2016 in Tunis (Tunisia),...

• Publication date : 2016/12/14

New EU research project BETTED gets underway!

The IIR is one of 10 partners of the new European research project aimed at promoting the energy transition of the dairy value chain.

• Publication date : 2024/03/27

Join the FRISBEE Demonstration Day!

On August 29, 2014, for the official closing of FRISBEE, the consortium will hold a “FRISBEE Demonstration Day”

• Publication date : 2014/07/30

Download the IIR Seminar on the Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries presentations

Recognising the social and economic importance of this issue on a global scale, the IIR organised a seminar on the Logistics For Transport Of Foodstuffs Under Controlled Temperatures In Hot Countries on October 25, 2016 in Tunis (Tunisia).

• Publication date : 2016/12/13

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

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

Statement given by Didier Coulomb, Director General of the IIR, during MOP 31

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 31st Meeting of the Parties to the Montreal Protocol (MOP-31) in Rome (November 4-8,...

• Publication date : 2020/04/03
• Subjects: Regulation, Developing country, Environment

ENOUGH at the 37th EFFoST International Conference 2023

Several partners from the ENOUGH project were present at the 37th EFFoST International Conference 2023 in Valencia this week.

• Publication date : 2023/11/13

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 : English, French
• Themes : Freezing of foodstuffs

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