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IIR document

The AIRCOOLER device - A flexible and mobile cooling solution for lower level heat loads.

• Author(s) : VACEK V., DOUBEK M.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Operation, Generality, Vortex tube, Air cooler, Control (generic)
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Ammonia forced circulation air cooler manual. 2.

• Author(s) : PARANJPEY R.
• Publication date: 2016/03
• Languages : English
• Keywords : Generality, Forced flow, Air cooler, Ammonia, Performance, Defrosting
• Source: Cold Chain - vol. 7 - n. 1. Suppl.
• Formats : PDF

IIR document

Numerical study on frosting characteristics of air coolers.

• Author(s) : YANG X., DAJIE L., ZHI Z.
• Publication date: 2018/04/06
• Languages : English
• Keywords : Frosting, Frost, Air cooler, Performance, Relative humidity, Expérimentation
• Source: 5^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
• Formats : PDF

Amonia forced circulation air cooler manual. Part 1 of 3.

• Author(s) : PARANJPEY R.
• Publication date: 2015/11
• Languages : English
• Keywords : Operation, Food, Cold room, Design, Air cooler, Ammonia
• Source: Air Conditioning and Refrigeration Journal, Cold Chain - vol. 6 - n. 3
• Formats : PDF

Experimental investigations of air-cooler operating under frost conditions.

• Author(s) : GAGAN J., SMIERCIEW K., BUTRYMOWICZ D., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Frost, Fin, Tube, Air cooler, Cooling capacity, Performance, Expérimentation, Heat exchanger
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Ice slurry as secondary coolant in air coolers. Mathematical model and validation.

• Author(s) : DIZ R., FERNÁNDEZ-SEARA J., PARDIÑAS A. A.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Ice slurry, Finned tube, Air cooler, Model, Secondary refrigerant
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Enfriadores de aire, distribución del caudal y temperaturas en cámaras de almacenaje largas.

Air coolers, flow and temperature distribution in large storage chambers.

• Author(s) : BLANCO VALERO A.
• Publication date: 2017/02
• Languages : Spanish
• Keywords : Generality, Logistics, Air cooler, Air flow, Evaporator, Cold store
• Source: Frío Calor Aire acondicionado - n. 499
• Formats : PDF

Use of unit coolers & air cooled condensers with less-than-claimed nominal performance.

• Author(s) : MERLO U.
• Publication date: 2014/07
• Languages : English
• Keywords : Operation, Generality, Frosting, Energy consumption, Air cooler, Air-cooled exchanger, Power, Performance
• Source: Air Conditioning and Refrigeration Journal, Cold Chain - vol. 5 - n. 2
• Formats : PDF

Theoretical study on the performance of air cooler in cold storage.

• Author(s) : DONG L., HE Z.
• Publication date: 2021/09
• Languages : English
• Keywords : Air cooler, Modelling, Cooling capacity, Heat transfer, Performance, Finned tube, Heat exchanger, Cold store
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

Evaporative coolers of water and air for cooling systems. Analysis and perspectives.

• Author(s) : CHEN G. M., DOROSHENKO A. V., SHESTOPALOV K. O., et al.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Refrigerating system, Mass transfer, Heat transfer, Air cooler, Chiller, Polymer, Evaporative system, Material, Condensation
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

Cooling and dehumidification capacity chart of surface air cooler for air conditioning units.

[In Chinese. / En chinois.]

• Author(s) : SONG X., ZHU T., ZHUANG D., et al.
• Publication date: 2015/01
• Languages : Chinese
• Keywords : Dehumidification, Temperature, Air cooler, Cooling capacity, Humidity, Air conditioning, Thermal load, Psychrometric chart
• Source: HV & AC - vol. 45 - n. 299
• Formats : PDF

IIR document

Optimal defrost cycle for air coolers revisited: A study of fan-supplied tube-fin evaporators.

• Author(s) : DA SILVA D. L., HERMES C. J. L.
• Publication date: 2018/05
• Languages : English
• Keywords : Defrosting, Evaporator, Modelling, Optimization, Performance, Air cooler, Finned tube, Frost
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 89
• Formats : PDF

Experimental study on electricity defrosting of air-cooler with partition device.

[In Chinese. / En chinois.]

• Author(s) : WANG D., TAO L., LIU X.
• Publication date: 2014/12
• Languages : Chinese
• Keywords : Temperature difference, Air cooler, Cooling capacity, Expérimentation, Cold storage, Defrosting
• Source: Journal of Refrigeration - vol. 35 - n. 160
• Formats : PDF

IIR document

Injector refrigerant circulation for enhancing heat efficiency of air coolers with uneven heat load distribution.

• Author(s) : RADCHENKO M., RADCHENKO A., MIKIELEWICZ D., TKACHENKO V., ZIELIKOV O.
• Publication date: 2021/01/13
• Languages : English
• Keywords : Air cooler, Evaporation, Refrigerant, Refrigerant charge, Variable volume, Recirculation, Design, Heat exchanger, Microchannel, Air conditioner
• Source: 10^th IIR Conference on Compressors and Refrigerants.
• Formats : PDF

Recommended by the IIR / IIR document

Experimental study on improved performance of an automotive CO2 air conditioning system with an evaporative gas cooler.

• Author(s) : SONG X., YUAN H., ZHANG Y., YU B., WANG D., SHI J., CHEN J.
• Publication date: 2022/08
• Languages : English
• Keywords : Air conditioning, CO2, R744, Gas cooler, Evaporative system, Performance, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 140
• Formats : PDF

Kelvion extends its range of natural refrigerant air coolers

To drive decarbonisation by using natural refrigerants such as CO2, ammonia or propane, Kelvion has expanded its range of industrial air cooler. Kelvion is an IIR corporate member. 

• Publication date : 2023/05/27

Storing energy thanks to cryocooled air

A new type of energy-storage process that can operate on a large scale.

• Publication date : 2012/11/29

The German market for ventilation, air conditioning, refrigeration and heat pump technology

In 2012, 6,800 water coolers, 110,000 split systems and 37,400 air-to-water heat pumps were sold in Germany.

• Publication date : 2015/04/15
• Subjects: Figures, economy

New polymer coating keeps buildings cool

Researchers from Columbia University have created a passive daytime radiative cooling polymer coating with air voids that act as a spontaneous air cooler.

• Publication date : 2018/10/18
• Subjects: Environment

R&D

The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

• Publication date : 2011/02/07

Briefs: Heinen

Heinen claims that its new, compact spiral freezer reduces defrosting time and allows longer production periods without defrosting thanks to a programmable air-cooler rinsing system that sprinkles warm water over the air coolers. Another feature...

• Publication date : 2006/07/26

Sub-Saharan milk cooler project awarded USD 1 million

A University of Georgia engineer received USD 1 million to continue working on a milk cooler designed to help dairy farmers, particularly those in sub-Saharan Africa, who lack access to refrigeration.

• Publication date : 2014/03/18

Markets: Reduced cooling and heating might improve health

Results of a study performed by Berkeley Lab. - a US Department of Energy national laboratory - suggest that operating buildings in ways designed to save energy - with indoor temperatures slightly cooler in winter and warmer in summer - does more...

• Publication date : 2009/05/18

Trends: air conditioning: India

The Indian air-conditioning industry shows a healthy growth rate of 25-30% for 2005 according to data collected by the Refrigeration and Air-conditioning Manufacturer's Association (RAMA). Worth approximately EUR 1 billion, excluding the consumer...

• Publication date : 2006/01/28

The first 20 SEER (Seasonal Energy Efficiency Rating)

What is claimed to be the first 20 SEER (Seasonal Energy Efficiency Rating) residential air conditioner has been introduced by Lennox Industries, USA. The XC21 air conditioner has a two-stage scroll compressor and operates on two levels: a high...

• Publication date : 2005/07/19

Underground river to cool the London tube

The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...

• Publication date : 2005/02/11

Briefs: Parasense

Parasense's refrigerant monitoring has been installed in Europe's largest grocery picking centre: Sainsbury's 10 million GBP grocery picking centre in North West London processes over 15 000 customer orders a week. The Parasense equipment detects...

• Publication date : 2006/11/15

Unassuming energy saving device

The eCube energy saving device is designed to reduce energy consumption by at least 25%. It takes into account product temperatures instead of fluctuating air temperatures in refrigerators, freezes, chillers, coolers, dispensers and cold rooms. It...

• Publication date : 2008/02/12

Berry efficient chilling

The storage and transport of berries has come a long way since they were transported by an iced horse cart in 1843. Today, growers in the Pajaro Valley from the Berry Bowl label are breaking in a brand new USD 2 million state-of-the-art flash...

• Publication date : 2005/09/30

Briefs: CO2 heat pumps in a retirement home

Villa Laura, a retirement home near Florence, Italy, is equipped with 4 water/water ground-water heat pumps operating with a transcritical CO2 cycle providing heating, air conditioning and hot water. This technology is already used to produce hot...

• Publication date : 2007/11/20

News from IIR members: Alfa Laval

Two major Belgian supermarket chains have recently ordered Alfa Laval's air gas coolers, and three of them have already been installed. Both supermarkets were specifically searching for cooling systems compatible with CO2 to reduce their energy...

• Publication date : 2013/02/22

Corporate members: news

- During the IIAR's 2008 Ammonia Refrigeration and Conference, the first fundraising event, a golf tournament, was held in order to launch Ammonia Refrigeration Foundation actions. The recently formed foundation will promote charitable,...

• Publication date : 2008/05/13

News from IIR members: Mayekawa

Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...

• Publication date : 2010/05/27

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

The long awaited ICR2015 is underway!

Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.

• Publication date : 2015/08/19

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 conference on caloric cooling Thermag VIII: highlights

Thermag VIII was an opportunity to present new developments regarding magnetocaloric, electrocaloric and elastocaloric cooling.

• Publication date : 2018/10/18

Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany

Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.

• Publication date : 2022/08/16
• Subjects: Technology

News from IIR members: Star Refrigeration

Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...

• Publication date : 2011/08/04

IIR member news: Johnson Controls YORK chiller optimised for R1233zd(E)

The YORK YZ magnetic bearing centrifugal chiller, produced by Johnson Controls, is said to be the first chiller fully optimized for ultimate performance with the low-global warming potential refrigerant R1233zd(E).

• Publication date : 2019/01/31

IC2015 Workshops: An opportunity to join, share and build together

ICR2015: A chance to actively participate in the innovation of refrigeration.

• Publication date : 2015/06/17

Invitation to join the IIR working group: Solid-state cooling and heating

Established last year, this latest IIR working group aims to promote international research collaboration to provide energy efficient and environmentally friendly solutions for a variety of solid-state...

• Publication date : 2023/05/02
• Subjects: Technology

IIR website: most downloaded publications in 2023

Discover the three most popular IIR publications of 2023. The focus is on the carbon footprint of the cold chain and cold rooms! 

• Publication date : 2024/02/27

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

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

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

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

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

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)