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Emerging fabric air diffusion trends in India.

• Author(s) : SINGH G., LIPSCOM J.
• Publication date: 2015/01
• Languages : English
• Keywords : Generality, Design, Air, India, Duct, Diffusion
• Source: Air Conditioning and Refrigeration Journal - vol. 18 - n. 1
• Formats : PDF

IIR document

Analysis and optimization of the absorber of a diffusion absorption chiller.

• Author(s) : BRUNDER J., STERGIAROPOULOS K.
• Publication date: 2022/06/13
• Languages : English
• Keywords : Diffusion, Absorption, Chiller, Ammonia-water, Absorber, Expérimentation, Optimization
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

IIR document

Dynamic testing and modeling of a diffusion absorption refrigeration system.

• Author(s) : BEN JEMAA R., MANSOURI R., BELLAGI A.
• Publication date: 2016/07
• Languages : English
• Keywords : Refrigerating system, Electricity, Transfer, Absorption system, Diffusion system, Modelling, Testing
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 67
• Formats : PDF

IIR document

Experimental and thermodynamic investigation of an ammonia/water diffusion absorption machine.

• Author(s) : MAZOUZ S., MANSOURI R., BELLAGI A.
• Publication date: 2014/09
• Languages : English
• Keywords : Cooling, Ammonia-water, Absorption system, Diffusion system, Performance, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 45
• Formats : PDF

Experimental research on the performance of the diffusion absorption refrigerator with R32/R134a mixed refrigerants.

• Author(s) : ZHENG R., WANG S., WANG Q., et al.
• Publication date: 2017/08/07
• Languages : English
• Keywords : R134a, Refrigerator, Absorption, R32, Performance, Expérimentation, Diffusion
• Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.

The influence of the condensate sub cooling on the performance of a diffusion absorption refrigeration cycle.

• Author(s) : LEVY A., JELINEK M., BORDE I.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Condensate, Absorption, Subcooling, Performance, Model, Cycle, Diffusion
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

Experimental research on the performance of a bubble pump for a diffusion absorption heat transformer.

• Author(s) : WANG S., WANG Q., HE W., et al.
• Publication date: 2017/08/07
• Languages : English
• Keywords : Heat transformer, Absorption, Pump, Performance, Expérimentation, Diffusion
• Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.

Numerical simulation of the ammonia-leakage diffusion in ammonia refrigeration room.

[In Chinese. / En chinois.]

• Author(s) : DONG X., LI K., LIU Y., et al.
• Publication date: 2017/12
• Languages : Chinese
• Keywords : Cold room, China, R717, Ammonia, Case study, Leakage, Diffusion
• Source: Journal of Refrigeration - vol. 38 - n. 6
• Formats : PDF

IIR document

Experimental study and modeling within validation of a diffusion absorption refrigerator.

• Author(s) : CHAVES F. D., MOREIRA M. F. S., KOURY R. N. N., et al.
• Publication date: 2019/05
• Languages : English
• Keywords : Refrigerator, R718, R717, R702, Absorption, Modelling, Hydrogen, Expérimentation, Water, Diffusion
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 101
• Formats : PDF

IIR document

Viscosity and mass diffusion coefficient of ammonia/ethylammonium nitrate mixtures.

• Author(s) : RIVES R., SALAVERA D., CORONAS A.
• Publication date: 2021/09/01
• Languages : English
• Keywords : Viscosity, Mass, Ammonia, Nitrate, Mixture, Expérimentation, Absorption system, Diffusion, Modelling, Thermodynamic property
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

Analyse thermodynamique d’une configuration modifiée du cycle frigorifique à absorption-diffusion.

Thermodynamic analysis of an altered configuration in the absorption-diffusion refrigeration cycle.

• Author(s) : TAIEB A., MEJBRI K., CHANDOUL B., et al.
• Publication date: 2016/03/24
• Languages : French
• Keywords : Thermodynamics, Operation, Absorption system, Diffusion system, Simulation, Performance
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

IIR document

Experimental investigation of the auxiliary gas circuit of a diffusion absorption chiller with natural and forced circulation.

• Author(s) : SCHMID F., SPINDLER K.
• Publication date: 2016/10
• Languages : English
• Keywords : Helium, Gas, Chiller, Ammonia, Absorption, Mixture, Expérimentation, Diffusion
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 70
• Formats : PDF

IIR document

Diffusion absorption refrigeration cycle analysis with low GWP refrigerants.

• Author(s) : LEE G., KIM G., KANG Y. T.
• Publication date: 2020/07/31
• Languages : English
• Keywords : R600a, COP, Absorption system, Low GWP, Performance, Evaporation, Thermodynamic property, Simulation, Helium, Diffusion
• Source: IIR Rankine Conference 2020.
• Formats : PDF

Black-box dynamic modeling of an absorption diffusion refrigerator.

• Author(s) : MANSOURI R., BOUROUIS M., BELLAGI A.
• Publication date: 2016/05/03
• Languages : English
• Keywords : Heat transfer coefficient, Refrigerator, Ammonia-water, Absorption system, Cooling capacity, Diffusion system, Simulation
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

IIR document

Theoretical modeling and experimental validation of a small capacity diffusion-absorption refrigerator.

• Author(s) : PÉREZ-GARCÍA V., RODRíGUEZ-MUÑOZ J. L., BELMAN-FLORES J. M., et al.
• Publication date: 2019/08
• Languages : English
• Keywords : Thermostat, Energy balance, Commercial refrigerator, Heat transfer, Absorption, Modelling, Expérimentation, COP, Diffusion
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 104
• Formats : PDF

Innovative material for passive cooling and natural lighting

Researchers at the Karlsruhe Institute of Technology have developed a polymer-based material that is more transparent to light than regular glass and maintains a comfortable indoor...

• Publication date : 2024/06/10

The high potential of ground-source heat pumps to decarbonise the European building sector

A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps. 

• Publication date : 2022/05/27

Initiatives to promote refrigeration technologies in the developing world

Focus on some initiatives to facilitate access to eco-friendly refrigeration technologies in hot countries.

• Publication date : 2020/06/26
• Subjects: Developing country

Air conditioning has cut premature deaths on hot days in US by 80% since 1960

A new study by researchers from Carnegie Mellon University, University of California and the Massachusetts Institute of Technology has concluded that air conditioning played a key role in the reduction of the mortality risk associated with high...

• Publication date : 2013/06/17

Obstacles to energy efficient HVAC&R solutions in the food retail sector

A new research paper from the SuperSmart project presents figures related to commercial refrigeration and the results of a survey aimed at identifying obstacles to the adoption of energy-efficient HVAC&R solutions in the food retail sector.

• Publication date : 2018/04/19

You are invited to the virtual exhibition on the sustainable cold chain

Cold chain technologies providers, users, and policymakers are invited to visit or apply to the ongoing Sustainable cold chain virtual exhibition organised online by UNEP and...

• Publication date : 2022/07/08
• Subjects: General information

European Commission launches €1 billion Green Deal call

Organised under 10 key focus areas and 20 topics, the European Green Deal aims to tackle the challenges and take advantage of the opportunities of climate change.

• Publication date : 2020/11/25
• Subjects: Technology, Environment

Employment in the refrigeration sector in France (in French)

Figures from Snefcca, the French national trade union in the sector, highlight the good health of employment in the area of refrigeration, professional kitchen equipment and air conditioning.

• Publication date : 2020/11/27

Refrigeration and COVID-19: list of resources

List of resources (guides, recommendations, information) regularly updated concerning the COVID-19 and the refrigeration sector.

• Publication date : 2020/05/26

COVID-19 news in the HVAC&R sector

The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...

• Publication date : 2020/04/05

Walk-in cold rooms: webinar replay and slides now available

Thank you for taking part in our second webinar! You can now download the slides and watch the replay on the IIR YouTube channel. Furthermore, the overview guide is also available in...

• Publication date : 2024/06/26
• Subjects: Technology, Developing country, Environment, General information

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

IIR Working Party on “Energy Labelling in the Cold Chain”

The Terms of Reference of the new IIR Working Party (WP) "Energy labelling in the cold chain" have been approved. The main objective of this WP - chaired by Prof. Giovanni Cortella, Italy, and involving Commissions D1 and D2 - is to investigate...

• Publication date : 2008/05/16

Briefs: Frisbee

The launch meeting of the European Union-funded Frisbee (Food Refrigeration Innovations for Safety, consumers Benefit, Environmental impact and Energy optimization along the cold chain in Europe) project was held on September 8-10, 2010, in the...

• Publication date : 2011/02/07

Energy efficiency on the agenda for discussion during Montreal Protocol meetings in Vienna

Focus on the fruitful workshop on "the energy efficiency opportunities while phasing down hydrofluorocarbons (HFCs)", which preceded the 40th meeting of the Open-ended Working Group (OEWG40) of the Parties to the Montreal Protocol on Substances...

• Publication date : 2018/08/08

The IIR at the refrigeration forefront of EU projects

Generally involved in the dissemination process, the IIR makes use of its network, activities and services to promote worldwide the research outcomes of the EU projects.

• Publication date : 2015/03/03

REAL Alternatives 4 LIFE comes to a close having achieved a lot for training on low GWP alternative refrigerants!

Over a three-year period this project, funded by the EU the LIFE programme, sought to incorporate the principles of a blended learning programme in an aim to create standardised training on the safety and...

• Publication date : 2020/07/27
• Subjects: HFCs alternatives

REAL Alternatives 4 LIFE comes to a close having achieved a lot for training on low GWP alternative refrigerants!

Over a three-year period this project, funded by the EU the LIFE programme, sought to incorporate the principles of a blended learning programme in an aim to create standardised training on the safety and...

• Publication date : 2020/07/27

EU project SuperSmart comes to a close: What have we learnt?

Funded by the European Union Horizon 2020 Research and Innovation Programme, the EU SuperSmart project was launched in February 2016 and recently came to an end. Want to know how to reduce energy consumption in the food retail sector?… SuperSmart...

• Publication date : 2019/02/25

New European projects for the IIR

In line with its international activities, the IIR is going to take part in two European projects which have just been validated by the European Commission.

• Publication date : 2016/02/24

The IIR supports innovative European research projects on refrigeration

In line with its international activities, the IIR is currently involved in two European research projects both focused on very distinct areas of refrigeration technologies.

• Publication date : 2017/02/22

Commission C1: At the forefront of Cryobiology, Cryomedicine and Health Products

The commission has clearly defined objectives in cryobiology, cryomedicine and health products research; knowledge dissemination; technology transfer and education.

• Publication date : 2016/06/01

Three educational and awareness-raising events within the framework of INDEE+ project in 2021

For the INDEE+ project, the end of the year 2021 was marked by several educational events aiming to raise awareness of the application of clean cooling systems offered by the CO2/R744 refrigeration...

• Publication date : 2022/01/28

COOL-SAVE project distributes 1st newsletter

News about cost effective strategies to improve energy efficiency in cooling systems for the food and drink sector...

• Publication date : 2013/08/14

New in the Encyclopedia: updated GWP values for HFCs

Find all the GWP values over 100 years and 20 years for hydrofluorocarbon (HFC) refrigerants.

• Publication date : 2023/09/22
• Subjects: Environment

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids