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IIR document

Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H₂O pair.

• Author(s) : CÉZAR K. L., CALDAS A. M. A., CORDEIRO M.C.L, DOS SANTOS C.A.C., OCHOA A. A. V., MICHIMA P.S.A
• Publication date: 2020/03
• Languages :
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 111
• Formats : PDF

Understanding variable flow systems. 3.

• Author(s) : CHOPRA A.
• Publication date: 2014/05
• Languages : English
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 3
• Formats : PDF

Understanding variable flow systems. 1.

• Author(s) : CHOPRA A.
• Publication date: 2014/01
• Languages : English
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 1
• Formats : PDF

Sistemas geotérmicos de caudal de refrigerante variable.

Ground VRV (Variable-Refrigerant-Volume) systems.

• Author(s) : CASTRO M.
• Publication date: 2015/09
• Languages : Spanish
• Source: Frío Calor Aire acondicionado - vol. 43 - n. 483
• Formats : PDF

Performance of variable refrigerant flow (VRF) systems.

• Author(s) : COURTEY S.
• Publication date: 2014/03
• Languages : English
• Source: REHVA Journal - vol. 51 - n. 2

Recommended by the IIR / IIR document

A cryogenic test setup for characterization of ultrasonic flow measurement.

• Author(s) : WINKLER T., BODENDORFER K., KLUPSCH M., RACKOW S., KADE A., FRIEDRICH S., WESER R., EHRLICH A.
• Publication date: 2023/04/25
• Languages : English
• Source: Proceedings of the 17^th IIR International Conference on Cryogenics, Dresden, Germany, april 25-28 2023
• Formats : PDF

IIR document

Empirical models for efficiency and mass flow rate of centrifugal compressors.

• Author(s) : FANG X., CHEN W., ZHOU Z., et al.
• Publication date: 2014/05
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 41
• Formats : PDF

Understanding variable flow systems. 2.

• Author(s) : CHOPRA A.
• Publication date: 2014/03
• Languages : English
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 2
• Formats : PDF

World air conditioner and VRF markets.

• Publication date: 2015/05/25
• Languages : English
• Source: JARN - Serial n. 556-S

World air conditioner and VRF markets.

• Author(s) : JARN
• Publication date: 2016/05/25
• Languages : English
• Source: JARN - Serial n. 568-S

Recommended by the IIR / IIR document

A critical analysis of the characterization of scroll compressors mass flow rate.

• Author(s) : MARCHANTE-AVELLANEDA J., CORBERÁN J. M., NAVARRO-PERIS E., SHRESTHA S.
• Publication date: 2021/01/13
• Languages : English
• Source: 10^th IIR Conference on Compressors and Refrigerants.
• Formats : PDF

Development of dynamic modeling framework using convolution neuron network for variable refrigerant flow systems.

• Author(s) : WAN H., CAO T., HWANG Y., CHIN S.
• Publication date: 2021/05
• Languages : English
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Evaluation of gray box thermostatic expansion valve mass flow models.

• Author(s) : BEHFAR A., YUILL D.
• Publication date: 2018/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

Distributed extremum seeking control for a variable refrigerant flow system.

• Author(s) : ZHU Y., LI Y., DONG L., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Electronic expansion valve mass flow rate prediction based on dimensionless correlation and ANN model.

• Author(s) : TIAN Z., GU B., QIAN C., et al.
• Publication date: 2015/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
• Formats : PDF

Reefer container throughput in main European ports.

In 2021, Europe’s leading ports were back to pre-pandemic levels of cargo and container throughput.

• Publication date : 2022/04/25
• Subjects: Figures, economy

Variable refrigerant flow systems world market

The market for variable refrigerant flow systems grew by 5.7% in 2018.

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

Variable refrigerant flow systems (VRF) market in India

Demand for VRF systems in India is estimated at 24,000 units in 2013.

• Publication date : 2014/09/04

Variable refrigerant flow systems (VRF) market in Europe

European VRF market scale was less than 117,000 units in 2013, almost the same level as 2012.

• Publication date : 2014/09/08

The global VRF (variable flow refrigerant) systems market

The global VRF (variable flow refrigerant) systems market estimated to grow at a Compound Annual Growth Rate (CAGR) of 11.4% between 2016 and 2022.

• Publication date : 2016/08/16

Virtual sensor for variable refrigerant flow AC system.

A summary referring to an article recently published in the International Journal of Refrigeration (IJR).

• Publication date : 2017/03/20

Revision of EU F-Gas Regulation sparks debate 

The European Parliament’s recent tougher proposals on heat pumps and air conditioners have provoked many reactions. 

• Publication date : 2022/12/15
• Subjects: HFCs alternatives, Regulation

Agreeing frozen fish dates sparks hot debate

The new EU Regulation 1169/2011 on the provision of food information to consumers (FIC) shall apply from December 13, 2014. Under the new rules, the first date on which a fish was frozen must be labelled on pack.

• Publication date : 2014/10/21

Update of the EU F-Gas regulation: the debate remains open

On March 1, the European Parliament’s ENVI committee voted 64-8 in favour of accelerating the F-Gas regulation. 

• Publication date : 2023/03/27
• Subjects: Regulation

Vegetable ice cream flavors to debut in Japan

Häagen-Dazs has announced the release of two vegetable-flavored ice creams in Japan.

• Publication date : 2014/05/14

HCFC phase-out and HFC phase-down discussed by African Ozone Officers (en anglais)

At the end of March 2017, fifty National Ozone Officers met in Abidjan, Côte d'Ivoire, to review challenges related to the phase-out of HCFCs and the phase-down of HFCs.

• Publication date : 2017/04/06
• Subjects: Developing country, HFCs alternatives, Regulation

Vending machine dispenses fresh foods via RFID

The startup PantryLabs has created refrigerated kiosks which can identify sandwiches and other perishable products stored within, and can track sales and inventory levels.

• Publication date : 2014/09/24

New Hybrid VRF system

The new Hybrid VRF(Variable Refrigerant Flow), launched by Mitsubishi Electric, is said to combine the advantages of chiller technology with the flexibility and efficiency of traditional VRF systems.

• Publication date : 2016/06/01

World's smallest electronic expansion valve

Danfoss recently presented a small electronic expansion valve, especially used for air conditioners with variable refrigerant flow.

• Publication date : 2020/07/01

France: containment of refrigerating data plants

French Environment and Energy Management Agency (ADEME) recently published a study conducted by Cemafroid and IRSTEA on the containment of refrigerating plants.

• Publication date : 2016/03/15
• Subjects: HFCs alternatives

MOP 27: Strong debate in the run-up to COP21

MOP 27 delegates continued firm discussions and addressed the outcomes of OEWG 36

• Publication date : 2015/11/04

Latest news from B-Medical Systems, Epta and GEA, three IIR corporate members

B Medical Systems, a global leader in the vaccine cold chain, is expanding its production capacity due to the COVID-19 pandemic, Epta monitors R290 fridges in cashier-free store in Dubai and GEA provides a...

• Publication date : 2021/11/29

Member news: Koura introduces new refrigerant for air conditioning

Refrigerant manufacturer Koura recently introduced R468C, a refrigerant that could replace R410A in air conditioning systems.  

• Publication date : 2022/10/27
• Subjects: HFCs alternatives

Member news : Danfoss launches thermostatic expansion valve for CO2

Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...

• Publication date : 2022/10/27

Two new IIR Informatory Notes on Energy Recovery!

The IIR has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy Recovery Equipment. 

• Publication date : 2021/06/29

The IIR publishes two new IIR Informatory Notes on Energy Recovery!

The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...

• Publication date : 2021/07/13
• Subjects: Technology, Environment

Now available: ICR2015 congress papers

Following on from the successful IIR International Congress of Refrigeration (ICR2015), the long anticipated papers and proceedings are now available to download in Fridoc.

• Publication date : 2015/12/09

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

Rankine 2020 conference highlights opportunities and challenges for the future

The IIR Rankine 2020 – Advances in Heating, Cooling and Power Generation conference was organised by the Institute of Refrigeration UK (IOR) as an ambitious 5-day online event running across July 27-31.  It...

• Publication date : 2020/08/19
• Subjects: Technology

The Centenary in Paris and future events

A joint IIR/French Refrigeration Association (AFF) conference was held in Paris on June 12, 2008 in order to celebrate the centenaries of both organizations. It was combined with the IIR statutory meetings on June 10, 11 and 13 and with various...

• Publication date : 2008/08/12

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

Small steps towards a giant leap! Parties to the Montreal Protocol continue discussions on HFCs

Last week saw another step towards a global agreement on the phase down of ozone depleting substances, the event started with a buzz around the new amendment proposals to the Montreal Protocol.

• Publication date : 2015/04/29
• Subjects: Regulation

Highlights: IIR Statutory Meetings in June 2017

European project CryoHub presented and Air Liquide Life Science R&D Group Manager Manager presents economic issues and scientific challenges of cryogenic energy storage at the IIR Statutory Meetings in June 2017.

• Publication date : 2017/07/04

International events: ECSLA

The General Assembly of ECSLA (European Cold Store and Logistics Association) took place on June 17, 2008 and enabled a debate with the European Commission on the phase-out of HCFCs, which could be implemented earlier than previously decided, to...

• Publication date : 2008/08/12

Call for abstracts now open: Cryogenics Conference 2021

The Programme Committee of the 16th IIR Conference on Cryogenics kindly invites authors to submit their abstracts by February 10, 2021!

• Publication date : 2020/12/14
• Subjects: Technology

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 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

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