Search results

Combinación de radiación UV-B y -C como elicitora de la biosíntesis de flavonoides durante la vida comercial refrigerada de pimientos.

Combination of UV-B and -C radiation as elicitor of flavonoid biosynthesis during the commercial refrigerated life of peppers.

• Author(s) : CASTILLEJO N., MARTINEZ-ZAMORA L., ARTÉS-HERNÁNDEZ F.
• Publication date: 2022/04
• Languages : Spanish
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

IIR document

An approach for quantitative analysis of pore size distribution of silica gel using atomic force microscopy.

• Author(s) : PALASH M. L., MITRA S., HARISH S., et al.
• Publication date: 2019/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 105
• Formats : PDF

IIR document

Model-based prediction and experimental verification of eutectic PCM.

• Author(s) : SCHMIT H., RATHGEBER C., SUN C. L., et al.
• Publication date: 2018/05/21
• Languages : English
• Source: 12^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Orford, Canada, May 21-23, 2018.
• Formats : PDF

Performance evaluation of shaped MIL-101-ethanol working pair for adsorption refrigeration.

• Author(s) : MA L., RUI Z., WU Q., et al.
• Publication date: 2016/02/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 95

IIR document

Model-based efficiency mapping and parametric analysis of low-pressure axial fans.

• Author(s) : PODGAIETSKY G. L., OLIVEIRA M. L. C. de, HERMES C. J. L.
• Publication date: 2022/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 144
• Formats : PDF

IIR document

Sorption materials for the safe use of flammable refrigerants in cooling/heating cycles.

• Author(s) : SONNER C., ERNST S., SCHNABEL L.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Hydrocarbons as natural refrigerants for heat pump water heating applications.

• Author(s) : NAWAZ K., ELATAR A., SHEN B., et al.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

The hybrid method applied to the plate-finned tube evaporator geometry.

• Author(s) : STARACE G., FIORENTINO M., MELELEO B., et al.
• Publication date: 2018/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 88
• Formats : PDF

Experimental study on the cooling rate of a new type of oocyte carriers.

[In Chinese. / En chinois.]

• Author(s) : LI W., WANG L., LIU B., et al.
• Publication date: 2016/01
• Languages : Chinese
• Source: HV & AC - vol. 437 - n. 168
• Formats : PDF

IIR document

An integrated chiller using magnetic-bearing compressor with thermosyphon for year-round cooling of internet data centres: feasibility analysis.

• Author(s) : ZHANG P., SHI W., WANG B., et al.
• 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

Gaseous densities of 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) and isobutane (R600a) binary system: Measurements and a preliminary Helmholtz equation of state.

• Author(s) : ZHANG H., LI H., GAO B., et al.
• Publication date: 2018/11
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 95
• Formats : PDF

IIR document

Effects of various operating conditions on the performance of a CO2 air conditioning system for trains.

• Author(s) : JANG F., WANG Y., YU B., et al.
• Publication date: 2019/11
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 107
• Formats : PDF

IIR document

Sustainable development of transport refrigeration sector in South Africa.

• Author(s) : SCHUSTER M., COLBOURNE D., WILSON B., et al.
• Publication date: 2016/04/07
• Languages : English
• Source: 4^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Auckland, New Zealand, April 7-9, 2016.
• Formats : PDF

Flow unsteadiness and pressure pulsations in a nuclear reactor coolant pump.

• Author(s) : NI D., YANG M., GAO B., et al.
• Publication date: 2016/04
• Languages : English
• Source: Strojniski vestnik - Journal of mechanical Engineering - vol. 62 - n. 4

IIR document

Theoretical comparisons between absorption heat pump and electrical heat pump for low temperature heating.

• Author(s) : WU W., SHI W., WANG B., et al.
• 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

Better air in planes - at last!

A series of technical changes is making it possible to improve the quality of cabin air in airplanes which until now has been invariably dry and poor in oxygen. The reason: the air was derived from the jet engines. This so-called "bleed air" is...

• Publication date : 2007/02/12

For IIR members only

Is super-cooling better than chilling for seafood products?

Super-cooled storage is a novel technique that better preserves the texture and freshness of fish and extends shelf life compared to chilling. 

• Publication date : 2024/02/29
• Subjects: Technology

Cryoextraction techniques for better tasting wine?

A recent study in Spain suggests that freezing white grapes using low temperatures in the winemaking process, produces wines that are more aromatic than wines produced with traditional...

• Publication date : 2020/11/27

Dynamic controlled atmosphere for better quality apples

Dynamic Controlled Atmosphere (DCA) appeared in Canada ten years ago where O2 rates are lowered to 0.5% thanks to a sophisticated system used to monitor fruit quality during the process.

• Publication date : 2014/03/21

The sharp increase in refrigeration needs should be better reflected in public policies

Recently released degree-day indicators confirm the steady progression of cooling needs compared to heating in the EU. Globally, energy consumption from refrigeration (including air...

• Publication date : 2022/07/08
• Subjects: Environment

2nd edition of World Ventilation Day on November 8

The theme for the 2023 edition of World Ventilation Day theme is "Breathe Better, Live Better".

• Publication date : 2023/11/03
• Subjects: General information

Utility offers NYC grocery stores incentives to use energy storage for refrigeration.

To better manage the energy demand on the grid during peak times of day, a handful of grocery stores produced ice over night.

• Publication date : 2017/02/13

Benefits of closed display cabinets for food preservation

A recent article in the IJR shows that in comparison to an open display cabinet, a closed display cabinet achieves lower product temperature and better temperature homogeneity, even with a high door-opening frequency.

• Publication date : 2019/08/29

An improved liquid cooling system for the Microsoft Surface Pro 4.

The 'hybrid liquid cooling' solution allows a better heat distribution, making the SP4 feel a bit cooler.

• Publication date : 2015/10/22

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

Food processing: a priority sector for India

India’s food minister believes that with a better supply chain, the country could be a global food processing powerhouse.

• Publication date : 2015/05/29

Highly efficient fridges and freezers generate huge energy savings in New Zealand

In New Zealand, better performing, more efficient fridges and freezers allowed energy savings corresponding to NZD 59 million in 2011, according to the Energy Efficiency and Conservation Authority (EECA).

• Publication date : 2012/05/10
• Subjects: Regulation

MAC: SAE considers R1234yf as “safe and effective” and AC5 and AC6 blends as “technically credible”

The SAE International Cooperative Research Project team has concluded that “R1234yf refrigerant is safe and effective to use in automotive applications. It also concluded that “based on a detailed fault tree analysis, AC6 offers a risk profile...

• Publication date : 2013/08/27

Pre-cooling of apples using spraying systems more efficient

Cooling apples using a spraying system proves faster, better and cheaper!

• Publication date : 2013/09/30

Refrigerated maritime transport: investing in new technology may help mitigate risk

In a Journal of Commerce article, John Padgett details new opportunities presented by digitally connected devices that enable cargo owners to better monitor reefers.

• Publication date : 2017/12/01

BETTED: a new IIR EU funded project

This project aims to promote the energy transition of the dairy value chain. The kick-off meeting is scheduled for March 11-12 in Brussels (Belgium).

• Publication date : 2024/01/26

IIR member subscription to the International Journal of Refrigeration just got better!

Since January 2017, not only will IIR members continue to receive the hard copy of the journal but IIR membership will now also give members access to the complete archives of the IJR online.

• Publication date : 2017/01/11

Have your say! Complete the survey on the future IIR website

The International Institute of Refrigeration (IIR) will develop a new version of its website and requires your help in order to better meet your needs and offer you new content and services.

• Publication date : 2017/06/07

IJR print copies will be DISCONTINUED as from 2018

In order to better respect the environment and to offer new services, as from January 1, 2018, you will no longer automatically receive IJR print copies.

• Publication date : 2017/10/16

SophiA project: HKA Lab test progress

SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.

• Publication date : 2023/10/27

IIR Informatory Notes on refrigerants designed to meet the needs of decision-makers

"We felt it was important to draft a collection of Notes on the most appropriate actions to take in this field, designed to meet the needs of decision-makers in order to be better prepared for the upcoming deadlines."

• Publication date : 2016/03/15

World Refrigeration Day 2021

A series of webinars focusing on the "Cool Careers" in refrigeration will be organised this year to celebrate World Refrigeration Day on June 26.

• Publication date : 2021/04/26
• Subjects: General information

News from IIR members

The IIAR has teamed up with RETA and IARW to produce a Training Guideline in order to make training more comprehensive and consistent. The guideline can be used to set up tailored training programmes. The aim is to enhance safety and operations...

• Publication date : 2008/10/25

World Refrigeration Day 2021 reaches every corner of the globe!

This year, seven organisations partnered with World Refrigeration Day to bring to the limelight the exciting career opportunities in fields relying on refrigeration.

• Publication date : 2021/09/08

IGO meeting

The IIR is an intergovernmental organization based in Paris, like of course several agencies of the United Nations Organization or OECD, but also like other small specialized organizations: the European and Mediterranean Plant Protection...

• Publication date : 2005/06/14

IIR member news: Star Refrigeration

Star Refrigeration soon to hit US food firms with eco-friendly low-ammonia chillers and freezers

• Publication date : 2013/09/04

Newsletter survey: outcome

Many thanks to those of you - over 300 - who devoted a little time to answering the "Newsletter of the IIR …What do you think of it?" survey issued in Newsletter No. 19. A striking feature of this survey was the high level of satisfaction it...

• Publication date : 2005/02/11

IIR publications

The IIR is preparing 4 new publications that will be available by the end of 2007: - a booklet entitled Refrigeration Drives Sustainable Development which is an update of the 2002 report Refrigeration Sector Achievements and Challenges prepared...

• Publication date : 2007/08/05

IIR Committee meetings

- The Management Committee (MC) of the IIR, chaired by H. van der Ree, met at the head office of the IIR on November 6, 2004. The MC held a large strategic debate on the future, the position of the IIR and communication to be developed,...

• Publication date : 2005/02/11

Editorial by Didier Coulomb

A new year is beginning. Perhaps it will be a difficult year because the economic crisis is far from over. A lot of challenges and maybe opportunities lie ahead, because the refrigeration and air-conditioning sector, which needs to address...

• Publication date : 2011/02/07

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

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : French, English
• Themes : HFCs

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)

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