Search results

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 :
• Keywords : Flow, Control (automatic), Absorption, Chiller, Lithium bromide, Water, Mixture, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 111
• Formats : PDF

IIR document

Comparison of an absorption-compression hybrid refrigeration system and the conventional absorption refrigeration system: Exergy analysis.

• Author(s) : PACHECO-CEDEÑO J. S., RODRíGUEZ-MUÑOZ J. L., RAMIREZ-MINGUELA J. J., PÉREZ-GARCÍA V.
• Publication date: 2023/11
• Languages : English
• Keywords : Thermodynamic cycle, Modelling, Hybrid system, Ammonia-water, Absorption system, Exergy, Comparison, Simulation, Compression system
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 155
• 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

Theoretical analysis of a novel two-stage absorption-compression hybrid refrigeration system.

• Author(s) : HE Y., JIANG Y., GAO N., et al.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Refrigerating system, Absorption, Two-stage system, Performance, Model, Compression
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

A novel low-temperature absorption–compression cascade refrigeration system.

• Author(s) : XU Y., CHEN F., WANG Q., et al.
• Publication date: 2015/01/22
• Languages : English
• Keywords : Absorption, Power, Performance, Cascade system, Expérimentation, Compression
• Source: Applied Thermal Engineering - vol. 75

Recommended by the IIR / IIR document

Performance analysis of an integrated adsorption and absorption refrigeration system.

Analyse des performances d’un système frigorifique intégré à adsorption et absorption.

• Author(s) : NIKBAKHTI R., WANG X., CHAN A.
• Publication date: 2020/09
• Languages : English
• Keywords : Adsorption system, Absorption system, COP, Performance, Simulation, Modelling, Energy efficiency
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 117
• Formats : PDF

Modélisation d'un système frigorifique à absorption bi-étagé.

Two-stage absorption refrigerating system modelling.

• Author(s) : BEN IFFA R., KAIROUANI L., BOUAZIZ N.
• Publication date: 2016/03/24
• Languages : French
• Keywords : Thiocyanate, Ammonia-water, Absorption system, Thermodynamic property, Two-stage system, Sodium, Performance, Nitrate, Water-lithium bromide
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

IIR document

A single stage absorption refrigeration system dynamic mathematical modeling, adjustment and experimental validation.

• Author(s) : MARTINHO L. C. S., VARGAS J. V. C., BALMANT W., et al.
• Publication date: 2016/08
• Languages : English
• Keywords : Geometry, Absorption system, Single-stage system, Modelling, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 68
• Formats : PDF

IIR document

ABSIM–modular simulation of advanced absorption systems: Recent software enhancements.

• Author(s) : EVRON Y., GOMMED K., GROSSMAN G.
• Publication date: 2018/09
• Languages : English
• Keywords : Software, Steady state, Absorption system, Simulation, Thermodynamic cycle
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 93
• Formats : PDF

Un nouveau regard sur les systèmes de réfrigération à absorption/résorption.

A new vision on absorption/resorption refrigeration systems.

• Author(s) : BERDASCO M., VALLÈS M., CORONAS A.
• Publication date: 2018/07
• Languages : French
• Keywords : Thermodynamics, Resorption system, Generality, Ammonia-water, Absorption system, Modelling
• Source: Revue générale du Froid & du Conditionnement d'air - n.1170

IIR document

Thermodynamic analysis of an ammonia/water absorption–resorption refrigeration system.

• Author(s) : BERDASCO M., VALLÈS M., CORONAS A.
• Publication date: 2019/07
• Languages : English
• Keywords : Thermodynamics, Resorption system, Ammonia-water, Absorption system, Review, Pressure
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 103
• Formats : PDF

IIR document

Theoretical analysis of a new two-stage absorption-transcritical hybrid refrigeration system.

• Author(s) : JIANG Y. Y., GAO N., HE Y. J., et al.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Refrigerating system, Comparison, R744, Absorption, Two-stage system, Performance, Model, Transcritical cycle, CO2
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

IIR document

Thermodynamic analysis of periodic operation ammonia-water absorption refrigeration units in atmospheric water generation systems.

• Author(s) : TITLOV A., OZOLIN M.
• Publication date: 2017/05/11
• Languages : English
• Keywords : Thermodynamics, Refrigerating system, Calculation, Ammonia-water, Absorption system
• Source: 7^th Conference on Ammonia and CO₂ Refrigeration Technology. Proceedings: Ohrid, North Macedonia, May 11-13, 2017.
• Formats : PDF

IIR document

Theoretical analyses of a new two-stage absorption-transcritical hybrid refrigeration system.

• Author(s) : HE Y. J., JIANG Y. Y., GAO N., et al.
• Publication date: 2015/08
• Languages : English
• Keywords : Refrigerating system, Comparison, R744, Absorption, Two-stage system, Performance, Model, Transcritical cycle, CO2
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 56
• Formats : PDF

Diffusion absorption refrigeration systems: an overview of thermal mechanisms and models.

• Author(s) : MUNGYEKO BISULANDU B. -J. R., MANSOURI R., ILINCA A.
• Publication date: 2023/05
• Languages : English
• Keywords : Absorption system, Diffusion system, Hybrid system, Design, Bubble, Performance, Modelling, Solar energy, Waste heat, Thermodynamic cycle, Review
• Source: Energies - vol. 16 - n. 9
• Formats : PDF

Latest research on ammonia-based absorption refrigeration systems

A recent article has reviewed literature on absorption chillers that use ammonia as a refrigerant, along with water (H2O), lithium nitrate (LiNO3), and lithium nitrate + water...

• Publication date : 2021/02/25
• Subjects: Technology

Viability of an absorption solar cooling system in an isolated school in Mexico

A recent IJR article presents a simulation of the operating strategies and the results of the first experiments following the installation of a solar thermal absorption air conditioning system, installed in an...

• Publication date : 2020/04/05
• Subjects: Developing country, Environment

Photovoltaic thermal system combined with adsorption cooling achieves 75% efficiency

Researchers from IBM Zurich research laboratory combined photovoltaic (PV) and solar thermal techniques in a high-concentration PV thermal (HCPVT) system to achieve efficient electrical cooling output without the need for extra cells.

• Publication date : 2013/10/25

Refrigerated transport: innovations and challenges for sustainability

Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...

• Publication date : 2022/04/29
• Subjects: HFCs alternatives, Technology

Next generation of working pairs in absorption heat pumps

The history and latest developments in working pairs for absorption heat pumps were discussed in a recent review article.

• Publication date : 2023/01/26
• Subjects: Technology

Global market for absorption chillers

Global market for absorption chillers is projected to reach USD 983 million by 2020.

• Publication date : 2015/03/19

Great potential for solar district cooling in Saudi Arabia

A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.

• Publication date : 2018/12/27
• Subjects: Developing country

Solar cooling for large buildings in South Africa

A solar cooling solution to reduce energy costs for large buildings by combining high-efficiency chillers with hybrid solar thermal and photovoltaic (PV) technologies has been introduced in South Africa.

• Publication date : 2013/07/02

Geothermal energy to power a cold storage facility

Two remote off-grid villages on a Fijian island are looking forward to their first reliable source of refrigeration thanks to their local hot spring.

• Publication date : 2017/10/17
• Subjects: Developing country

Europe: renewable cooling could provide close to 100% of cooling demand

A recent study performed by the German Öko-Institut e.V. on behalf of NL Agency of the Netherlands and funded by the Dutch government, claims that at least 50% of the cooling demand in Europe could be covered by renewable energy applications by 2050.

• Publication date : 2012/09/10

Solar cooling implemented in Jordan

Four sites in Jordan are now equipped with solar absorption chillers.

• Publication date : 2017/07/27
• Subjects: Developing country

A refrigeration system to produce freshwater in arid areas

A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...

• Publication date : 2024/05/29
• Subjects: Technology

District cooling: Copenhagen, home of the largest absorption chiller cooling

A recent report by the City of Copenhagen, home of the largest absorption chiller cooling, network gives a glimpse of its district cooling system which uses seawater and surplus heat from the district heating network (through absorption cooling...

• Publication date : 2013/03/18

THRIVE project explores new developments for adsorbtion heat pumps

Launched in 2014, the four-year project THRIVE was funded by the Swiss National Science Foundation (SNSF) to investigate adsorption heat pumps and to develop a system powered by waste heat.

• Publication date : 2018/11/30

Improving adsorption cooling thanks to MOFs

Metal-organic framework (MOF) compounds are porous crystalline materials composed of metal ions or metal clusters bridged by organic linking groups; they have outstanding adsorption properties, allowing for better efficiency and use on a larger...

• Publication date : 2015/02/20

IIR Conference report: Ohrid

The 4th IIR Conference on Ammonia Refrigeration Technology took place in Ohrid, Macedonia (FYROM), on April 14-16, 2011. 111 persons from 33 countries attended. Scientific papers were presented, and policy and regulations issues were covered.

• Publication date : 2011/05/13

HARFKO 2015: More successful than ever welcomes UNEP Ozone2Climate Roundtable & Roadshow

Last week the IIR was delighted to participate in the 13th Heating, Air-conditioning, Refrigeration & Fluid Exhibition – KOREA (HARFKO 2015).

• Publication date : 2015/03/18

The Congress in Yokohama: a great success!

In Yokohama, the International Congress of Refrigeration (ICR2015), a huge milestone in the refrigeration sector, saw a massive amount of information disseminated and certainly lived up to expectations with almost 1,200 conference delegates, 143...

• Publication date : 2015/09/16

Download the new IIR Informatory Note on Solar Cooling

Solar cooling may have a very positive environmental impact reducing the usage of fossil fuel, and the technology is almost mature enough to compete with conventional cooling equipment.

• Publication date : 2017/05/15

ICR 2011 in Prague: a Resounding Success

The 23rd IIR International Congress of Refrigeration held in Prague, on August 21-26, 2011, was highly successful...

• Publication date : 2011/08/30

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

Conference update: Ohrid

The 3rd IIR event in a series, Ammonia Refrigeration Technology was held on May 7-9, 2009, in Ohrid, Macedonia. With 95 participants from 24 countries and 32 papers presented, the event was very successful. A key focus of this series of...

• Publication date : 2009/05/27

ICR2007 in Beijing

The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

• Publication date : 2007/11/20

Summer 2021, past events: focus on the last events involving the IIR

Co-sponsored Conferences    More than 80 papers available from the International Sorption Heat Pump Conference...

• Publication date : 2021/09/07

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

IJR Editorial: Solar energy, the energy of the future for refrigeration

Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...

• Publication date : 2021/01/21

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

Winners of the IIR Scientific Awards 2019 revealed

This time round, the IIR received a record number of applications and submissions to its various awards and is delighted to announce the winners.

• Publication date : 2019/04/15

Brief: IOR's Anniversary

Over 900 persons attended the UK Institute of Refrigeration (IOR)'s 106th Anniversary Dinner which was held on February 8, 2006 at Grosvenour House Hotel, London, appropriately in the ballroom, a former ice skating rink. In his speech, the...

• Publication date : 2006/05/05

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

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

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

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)