Search results

Bioactive amines in fresh beef liver and influence of refrigerated storage and pan-roasting.

• Author(s) : CUSTODIO F. B., THEODORO K. H., GLORIA M. B. A.
• Publication date: 2016/02
• Languages : English
• Keywords : Beef, Amine, Quality, Physico-chemical property, Cold storage, Liver
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 60

Improved sperm cryosurvival in diluents containing amides versus glycerol in the Przewalski’s horse (Equus ferus przewalskii).

• Author(s) : PUKAZHENTHI B. S., JOHNSON A., GUTHRIE D., et al.
• Publication date: 2014/04
• Languages : English
• Keywords : Sperm, Enhancement, Cryoprotectant, Amide, Mitochondria, Glycerol, Freezing, Horse
• Source: Cryobiology - vol. 68 - n. 2

Inhibition of corrosion in amine air cooled heat exchanger: experimental and numerical study.

• Author(s) : VALEH-E-SHEYDA P., RASHIDI H.
• Publication date: 2016/04/05
• Languages : English
• Keywords : CFD, Amine, Air, Simulation, Weight loss, Expérimentation, Corrosion, Heat exchanger
• Source: Applied Thermal Engineering - vol. 98

Investigations on the performance of an auto-cascade absorption refrigeration system operating with mixed refrigerants.

• Author(s) : LE S., WANG Q., LI D., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : R23, R134a, Amide, Absorption system, Simulation, Performance, Cascade system, Mixture, Refrigerant
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

NH2-MIL-125 as promising adsorbent for adsorptive cooling: Water adsorption dynamics.

• Author(s) : SOLOVYEVA M. V., ARISTOV Y. I., GORDEEVA L. G.
• Publication date: 2017/04
• Languages : English
• Keywords : Vapour, Heat transfer, Temperature, Amide, Adsorption system, Expérimentation, Energy saving, Water
• Source: Applied Thermal Engineering - vol. 116

Effects of the anti-microbial peptide pardaxin plus sodium erythorbate dissolved in different gels on the quality of Pacific white shrimp under refrigerated storage.

• Author(s) : HSU W. H., LAI Y. J., WU S. C.
• Publication date: 2017/03
• Languages : English
• Keywords : Shrimp, Enhancement, Expérimentation, Storage condition, Amino acid
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 73

IIR document

The effects of high intensity interval training combined with the whole body cryostimulation on brain-derived neurotrophic factor and tryptophan metabolism.

• Author(s) : ZIEMANN E., RODZIEWICZ-FLIS E., JAWORSKA J., FLIS M., ANTOSIEWICZ J., KORTAS J. A., LOMBARDI G.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Cryotherapy, Medical application, Health, Biology, Amino acid, Medicine
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

Optimisation of lactobacillus rhamnosus viability during freeze-drying by box-behnken design.

• Author(s) : ZHAO Y., HUO X., ZHANG Y., et al.
• Publication date: 2016/08
• Languages : English
• Keywords : Freeze-drying, Cryoprotectant, Cell, Lactobacillus, Bacteria, Expérimentation, Amino acid
• Source: Annals of the University "Dunarea de Jos" of Galati (The), Fascicle VI. Food Technology - vol. 40 - n. 1

IIR document

Effect of freezing conditions on the extractive component in oyster Crassostrea gigas.

• Author(s) : MURATA Y., TOUHATA K.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Nitrogen, Brine, Oyster, Expérimentation, Ethanol, Freezing, Organic acid, Amino acid
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Experimental validation of a mini-channel multi-tube ammonia/water absorption/desorption model.

• Author(s) : NEFS C. W. M., BOR D. M. van de, INFANTE FERREIRA C. A.
• Publication date: 2014/08/02
• Languages : English
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

R32 heat transfer coefficient during condensation in a mini channel multiport tube.

• Author(s) : LÓPEZ BELCHÍ A., ILLÁN GÓMEZ F., GARCÍA-CASCALES J. R., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Integration of a mini-channel condenser into a household refrigerator with regard to accurate capillary tube length and refrigerant amount.

• Author(s) : TOSUN M., DOGAN B., ÖZTÜRK M., et al.
• Publication date: 2019/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
• Formats : PDF

Performance of a Mid-Size Net-Zero Energy Solar House.

• Author(s) : TAHERIAN H., PETERS R. W.
• Publication date: 2022/03
• Languages : English
• Source: Applied Sciences - vol. 12 - n. 6
• Formats : PDF

IIR document

Thermal performance of brazed plate heat exchangers for a mixed-refrigerant Joule–Thomson cooler.

• Author(s) : PANG W., LIU J., HE J., et al.
• Publication date: 2016/01
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 61
• Formats : PDF

Three Years’ Performance Monitoring of a Mixed-Use Ground Source Heat Pump System in Stockholm.

• Author(s) : SPITLER J. D., GEHLIN S.
• 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

Green hydrogen production project in Namibia

In partnership with a French-German consortium, the Namibian government plans to develop a green hydrogen production facility. Although some of the funding may be secured as early as...

• Publication date : 2022/01/18
• Subjects: Developing country

Briefs: Sustainable fishery in Namibia

Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

• Publication date : 2011/02/04

Ambient beer cooler cuts energy bills

A new ambient beer cooler, using free cooling when available, could save 40% of energy costs.

• Publication date : 2015/03/18

R410A/R22 alternatives for AC in high-ambient temperature environments: R32 and R290

The final US Oak Ridge National Laboratory report – presented during MOP27 in Dubaï – compares the performance of low-GWP alternative refrigerants to HFC R410A in mini-split air conditioners (ACs) under high-ambient-temperature conditions.

• Publication date : 2016/05/11

UNIDO project to help green Gambia’s refrigeration and air-conditioning sector

The Gambia and the United Nations Industrial Development Organization (UNIDO) will implement a demonstration project to reduce greenhouse gases and ozone-depleting substances in the country's refrigeration and air-conditioning sector.

• Publication date : 2014/02/04
• Subjects: General information, Environment

More than one billion people are at high risk due to a lack of access to cooling

The annual Chilling Prospects report estimates that 355 million people living in poor rural areas and 732 million people living in poor urban areas are at risk due to a lack of access to cooling worldwide....

• Publication date : 2021/05/31
• Subjects: Developing country

White paint reduces air conditioning demand

A team of researchers has developed a radiative cooling paint that keeps surfaces more than 1.7 °C cooler than their ambient surroundings (at noon).

• Publication date : 2020/11/27

Ionic liquids in combination with CO2: promising technology?

A group of scientists at the University of Notre Dame, Indiana, USA, are now working on utilizing novel ionic liquids – pure salts that are liquid at ambient temperatures – in tandem with CO2.

• Publication date : 2013/12/03

Transition from HFCs in Europe: European retailers are optimistic

A survey examines how European retailers are navigating away from HFCs towards lower global warming alternatives.

• Publication date : 2017/11/22
• Subjects: Regulation, HFCs alternatives

Extreme heat reduces productivity in global economies

In a recent report, a non-profit organisation examined how global warming is affecting the economy and labour productivity in 12 major urban areas worldwide. 

• Publication date : 2022/10/27
• Subjects: Figures, economy

Solar energy improves medical healthcare in sub-Saharan Africa

UNDP develops the Solar for Health project in Zambia and Zimbabwe. More than 400 healthcare centres are now equipped with solar panels and the health products' cold chain is preserved.

• Publication date : 2019/02/28
• Subjects: Developing country

Rising incomes drive increased air-conditioning use

In a new study published by PNAS, two researchers from the University of California, Berkeley, examined the relationship between climate, income growth, and air conditioning adoption.

• Publication date : 2015/08/25

Daimler decides not to switch to R1234yf

After having examined real-life scenarios conducted using R1234yf, Daimler, the manufacturer of Mercedes-Benz cars, has announced its intention to stick to R134a instead of implementing R1234yf in its automobile air-conditioning systems.

• Publication date : 2012/11/20

Revising A3 refrigerants charge limits to promote wider application

A recent IJR paper examines the validity and form of charge limits for “highly flammable” A3 refrigerants, which constitute low-GWP alternatives to HFCs. Authors propose to eliminate upper charge limits for...

• Publication date : 2020/06/30
• Subjects: HFCs alternatives

An award-winning industrial dairy using an integrated heat pump system

A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...

• Publication date : 2021/03/29
• Subjects: Technology, Environment

Find out who are the top 10 most active countries on the IIR website!

Since its overhaul in 2020, traffic to the IIR website has doubled and it has seen a drastic increase in the number of visitors from least developed countries. Find out who have been the top 10 most active...

• Publication date : 2022/12/05
• Subjects: General information

News from IIR members: Tecumseh

Tecumseh has won the French Golden Decibel Award for its second-generation Silensys condensation units. The Conseil National du Bruit (the French national organization dealing with noise issues) presented this award in recognition of the noise...

• Publication date : 2010/05/27

News from IIR members: Star Refrigeration

Star Refrigeration just announced a new collaboration with Core Enterprises, an American portable instruments developer to distribute AccuToolsR eL-720 carbon dioxide gas leak detector. The detector is easy to handle and effective at locating even...

• Publication date : 2011/02/07

FRIDOC now features a selection of MDPI articles on refrigeration

About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.

• Publication date : 2022/07/28
• Subjects: General information

OEWG36: Tough week of negotiations, no agreement except possible additional meetings

OEWG 36 spent much of its time focusing on moving the discussion on HFCs management forward.

• Publication date : 2015/07/29
• Subjects: Regulation

New IIR Informatory Note on passive cooling

The IIR’s latest Informatory Note demonstrates that passive cooling technologies can contribute significantly to reducing energy demand for air conditioning. 

• Publication date : 2022/04/29
• Subjects: Technology

INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes

Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway)  to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...

• Publication date : 2021/12/15

Highlights from the 46th Montreal Protocol OEWG: Addressing Ozone Depletion and Climate Change Challenges

The 46th meeting of the Open-ended Working Group (OEWG) of the Parties to the Montreal Protocol took place in Montreal from 8 to 12 July 2024. The IIR took part of the event.  

• Publication date : 2024/08/01

Paris Agreement signed and the OEWG37 makes headway

Find out how the Paris Agreement, adopted during the Conference of Parties (COP21) and signed on 22 April 2016, and advancements at the 37th Meeting of the Open-ended Working Group of the Parties to the Montreal Protocol (OEWG37) will impact the...

• Publication date : 2016/04/26

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

News from IIR members: Masterflux from Tecumseh

Tecumseh has unveiled a new line of direct-current (DC) Masterflux compressors in India. The compressor manufacturer has designed the compressors for battery cooling applications for the growing telecommunications market and also for beverage...

• Publication date : 2012/03/05

IIR partner in INDEE+

The IIR takes part of the project INDEE+ which aims to support the Indian refrigeration and Air Conditioning sector in the transition towards more sustainable and environmentally friendly...

• Publication date : 2021/05/31
• Subjects: Developing country

The IIR launches a call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/10/02
• Subjects: General information

Call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/09/28
• Subjects: General information

New IIR Informatory Note on Air-source heat pumps for space heating and cooling

The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.

• Publication date : 2021/02/23

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

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

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…)

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)

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

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