Search results

Single phase flow pressure drop and heat transfer in rectangular metallic microchannels.

• Author(s) : SAHAR A. M., ÖZDEMIR M. R., FAYYADH E. M., et al.
• Publication date: 2016/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 93

Flow boiling heat transfer of HFE-7000 in nanowire-coated microchannels.

• Author(s) : YANG F., LI W., DAI X., et al.
• Publication date: 2016/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 93

IIR document

Analysis of frost thickness and roughness growth from the perspective of frost crystal structure.

• Author(s) : ZHANG T., O'NEIL D. L., MCCLAIN S. T.
• Publication date: 2020/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 112
• Formats : PDF

IIR document

Molecular dynamics simulation of capillary evaporation of water adsorbed on hydrophilic nanopores.

• Author(s) : YAMASHITA K., DAIGUJI H.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Powder, process parameters and heat treatment conditions for Laser Beam Melting of LaFeSi-based alloys.

• Author(s) : WIELAND S., KAGATHARA J., GÄRTNER E., et al.
• Publication date: 2018/09/16
• Languages : English
• Source: 8^th International Conference on Caloric Cooling (Thermag VIII). Proceedings: Darmstadt, Germany, September 16-20, 2018.
• Formats : PDF

IIR document

Experimental investigation on condensation heat transfer of R404A and R407C outside horizontal enhanced tubes.

• Author(s) : LIU C., OUYANG X.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Overall surface fin efficiency and dry angle for ammonia finned tube evaporators.

• Author(s) : KÆRN M. R., JENSEN J. K., MARKUSSEN W. B., KRISTOFERSSON J.
• Publication date: 2022/06/13
• Languages : English
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

IIR document

Flow regimes during condensation in superheated zone.

• Publication date: 2017/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
• Formats : PDF

Simulation and experimental study on honeycomb-ceramic thermal energy storage for solar thermal systems.

• Author(s) : LUO Z., WANG C., XIAO G., et al.
• Publication date: 2014/12
• Languages : English
• Source: Applied Thermal Engineering - vol. 73 - n. 1

IIR document

Water boiling at low pressure: dynamics of growth and bursting of bubbles in a plate-type evaporator.

• Author(s) : MANTAROPOULOS P., GIRAUD F., TREMEAC B., TOBALY P.
• Publication date: 2020/12/07
• Languages : English
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

Membrane-based air dehumidification using organic ionic liquid desiccant.

• Author(s) : BAHAR B., OPADRISTHA H., STUTMAN M., LIU X., WOODS J.
• Publication date: 2021/08/31
• Languages : English
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Characterization of flow freezing in small channels for ice valve applications.

• Author(s) : JAIN A.
• Publication date: 2019/12
• Languages : English
• Formats : PDF

Experimental investigation of spray cooling on smooth and micro-structured surfaces.

• Author(s) : ZHANG Z., JIANG P. X., OUYANG X. L., et al.
• Publication date: 2014/09
• Languages : English
• Source: International Journal of Heat and Mass Transfer - vol. 76

Recommended by the IIR / IIR document

Experimental investigation on flow boiling characteristics of HFO-1234yf in a 0.5 mm microchannel. 

• Author(s) : FENG L., ZHONG K., XIAO X., JIA H., LUO X.
• Publication date: 2022/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 136
• Formats : PDF

Entropy parameters for falling film absorber optimization.

• Author(s) : GIANNETTI N., ROCCHETTI A., LUBIS A., et al.
• Publication date: 2016/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 93

Solar Air conditioning

With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...

• Publication date : 2007/08/05

US

A new voluntary programme to reduce hydrofluorocarbon (HFCs) emissions has been set up in the US by EPA in conjunction with the Association of Home Appliance Manufacturers (AHAM). This initiative should help to reduce HFC emissions in the...

• Publication date : 2006/05/05

Natural refrigerants in emerging countries: South Africa

South Africa is facing an energy shortage and a rise in electricity prices. Natural refrigerants, which have important energy saving potential, are now being introduced, especially in supermarkets. Here are 2 examples: . GTZ has offered technical...

• Publication date : 2010/03/07

Alternative Cooling Technologies conference, London, 1st February 2005

This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

• Publication date : 2005/02/11

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

ICR2011 highlights: cooling particle detectors

Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...

• Publication date : 2012/02/21

The benefits of 3D printing in refrigeration and air conditioning

The various applications of 3D printing in the field of refrigeration and air conditioning highlight possible tremendous advantages in terms of energy efficiency and cost minimisation.

• Publication date : 2020/05/27
• Subjects: Technology

For IIR members only

Wondrwall introduces AI-controlled propane heat pump

Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.

• Publication date : 2024/11/20

Rack-supported freezer gives fast-growing bakery room to rise.

Vieira's Bakery selected pallet racks from Steel King company to increase its storage capacity.

• Publication date : 2017/02/19

Ohrid conference highlights: ammonia refrigeration in China

Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. According to Jianji Zhang, series reciprocating compressors are currently the most widely used due to...

• Publication date : 2013/08/21

Incorporating PCMs in buildings material for energy conservation

The incorporation of PCMs in building materials is particularly interesting since it permits thermal storage to become a part of the building structure and is completely passive.

• Publication date : 2014/04/09

Plans to save Grimsby Ice Factory

An irreplaceable piece of industrial refrigeration history is endangered

• Publication date : 2011/11/17

Grimsby ice factory preservation plans

Some of the historic ice-making equipment in the derelict Grimsby Ice Factory is to be removed in planned remedial work to prevent further damage to the crumbling building.

• Publication date : 2022/01/13

PCM thermal energy storage for indoor environments

During the IIR PCM 2018 conference which took place on May 21-23 in Orford, Canada, numerous applications of phase-change materials (PCMs) and slurries were presented, including in commercial refrigeration (refrigerated display cabinets), domestic...

• Publication date : 2018/06/22

IJR highlights: latest R&D results regarding household refrigerators

Vacuum insulation panels, mini-channel condensers and PCMs: 3 areas of research and development to reduce the energy consumption ofhousehold refrigerators.

• Publication date : 2019/01/31

Call to Action for World Refrigeration Day 2020

In coordination with many supporting associations and companies worldwide, the International Institute of Refrigeration (IIR) is launching a Call to Action for World Refrigeration Day 2020.

• Publication date : 2020/03/30
• Subjects: General information

HFO 2023: Call for abstracts extended until September 30!

The call for abstracts for the 2023 IIR Conference on HFOs, to be hosted by the Chinese Association of Refrigeration (CAR), has been extended to September 30, 2022!  

• Publication date : 2022/09/08
• Subjects: Technology, Environment, HFCs alternatives

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

Submit your abstracts to the 3rd IIR Conference on HFO Refrigerants and Low GWP Blends

To be organised by the Chinese Association of Refrigeration (CAR), the call for abstracts for the 2023 IIR Conference on HFOs has now been launched. Submit...

• Publication date : 2022/04/25
• Subjects: Technology, Environment, HFCs alternatives

We are hiring a techical project manager

The IIR is involved in diverse projects supporting academia and countries. The candidate will support the IIR projects department, and will develop and secure new projects for the IIR and ensure that they are...

• Publication date : 2024/04/08

The IIR with the World Bank in West Bengal

The IIR is a key partner in the World Bank’s project on the Inland Waterways Transport (IWT) integration into the cold chain in West Bengal 

• Publication date : 2021/09/07

ENOUGH – a new project that will identify how food industry can become net zero by 2050

The project will develop technologies, tools and methods to contribute to the EU’s farm to fork Strategy to achieve climate neutrality in the food industry.

• Publication date : 2021/10/29

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

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

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

For IIR members only

Heat pump stock in Europe

This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.

• Last update : 2021/12/14
• Langues : English
• Themes : Heat pumps, energy recovery: economics and statistics

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

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)