Search results

Absorption refrigeration cycle based on capillary force: heat and mass transfer characteristics of generator.

• Author(s) : MATSUOKA H., TSUJIMORI A., UCHIYAMA M.
• Publication date: 2017/08/07
• Languages : English
• Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.

Prediction of the dynamic characteristics of the generator using TFE/NMP as a working fluid.

• Author(s) : KATO M., MORITA H., TSUJIMORI A., et al.
• Publication date: 2006/05/21
• Languages : English
• Keywords : TFE, Generator, Heat transfer, Absorption system, Modelling
• Source: ACRA-2006. Proceedings of the 3rd Asian conference on refrigeration and air conditioning.

Simulation and experiment research for the absorption heat pump using TFE/NMP as working fluid.

• Author(s) : XU S. M., IKUMI Y., MATSUE J., et al.
• Publication date: 2003/04/22
• Languages : English
• Keywords : TFE, Absorption system, Heat pump, Modelling, Expérimentation
• Source: Cryogenics and refrigeration. Proceedings of ICCR 2003.

IIR document

THERMOSTABILITY TEST OF TRIFLUOROETHANOL (TFE) AND WATER MIXTURES.

• Author(s) : NAMIKI H., INO N., KASAHARA K.
• Publication date: 1990
• Languages : English
• Keywords : TFE, Lubrication, Compression system, Heat pump, Zeotropic mixture, Oil, High temperature, Corrosion, Water, Screw compressor
• Source: Thermophysical properties of pure substances and mixtures for refrigeration.
• Formats : PDF

IIR document

Heat transformation with the ternary working fluid TFE-water-E181.

• Author(s) : STEPHAN K., HENGERER R.
• Publication date: 1993/03
• Languages : English
• Keywords : TFE, Fluorine, Heat transformer, Absorption system, Physical property, Heat pump, Ethylene, Thermodynamic cycle, COP, Water, Additive
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 16 - n. 2
• Formats : PDF

Theoretical study on falling film absorption inside a swaying tube with TFE/NMP solution.

[In Chinese. / En chinois.]

• Author(s) : LIU Y., XU S.
• Publication date: 2004
• Languages : Chinese
• Keywords : TFE, Mass transfer, Vertical tube, Heat transfer, Absorption system, Modelling, Falling film
• Source: Journal of Refrigeration - n. 3
• Formats : PDF

IIR document

Performance of double effect absorption compression cycles for air conditioning using methanol-TEGDME and TFE-TEGDME systems as working pairs.

• Author(s) : BOER D., VALLES M., CORONAS A.
• Publication date: 1998/11
• Languages : English
• Keywords : TFE, Refrigerating system, TEGDME, Absorption system, Compression system, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 21 - n. 7
• Formats : PDF

Double-lift parallel mode absorption heat transformer with the ternary working fluid TFE-H2O-E181.

• Author(s) : XU S. M., ZHANG L.
• Publication date: 2003/04/22
• Languages : English
• Keywords : Thermal property, TFE, Calculation, Heat transformer, TEGDME, Absorption system, Two-stage system, Modelling, COP, Water
• Source: Cryogenics and refrigeration. Proceedings of ICCR 2003.

Performance analysis of the absorption refrigeration cycle using TFE/NMP as a working fluid. 3. The dynamic characteristics of the generator.

[In Japanese. / En japonais.]

• Author(s) : KATO M., TSUJIMORI A., NAKAGUCHI K., et al.
• Publication date: 2007
• Languages : Japanese
• Keywords : TFE, Generator, Mass transfer, Heat transfer, Absorption system, Performance
• Source: Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers - vol. 24 - n. 1

Mass-transfer characteristics of the rectifier for absorption-refrigeration cycle using TFE/NMP as a working fluid.

• Author(s) : TSUJIMORI A., KATO M., MATSUSHITA T., et al.
• Publication date: 2005/05/02
• Languages : English
• Keywords : TFE, Refrigerating system, Rectification, Mass transfer, Absorption system, Heat pump, Expérimentation, Heat exchanger
• Source: 8th IEA Heat Pump Conference 2005: global advances in heat pump technology, applications, and markets. Conference proceedings [CD-ROM].

IIR document

Performance research of self regenerated absorption heat transformer cycle using TFE-NMP as working fluids.

• Author(s) : SHIMING X., LIU Y., ZHANG L.
• Publication date: 2001/09
• Languages : English
• Keywords : TFE, Refrigerating system, Generator, Heat transformer, Absorption system, Absorbent, Thermodynamic property, Performance, Heat exchanger, Absorber
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 24 - n. 6
• Formats : PDF

Experimental investigation of heat and mass transfer of falling film absorption in a vacillating tube with TFE/NMP solution.

• Author(s) : LIU Y. L., WANG B., XU S. M., et al.
• Publication date: 2003/04/22
• Languages : English
• Keywords : TFE, Periodic phenomenon, Mass transfer, Tube, Heat transfer, Absorption system, Falling film, Expérimentation
• Source: Cryogenics and refrigeration. Proceedings of ICCR 2003.

Performance analysis of the absorption refrigeration cycle using TFE/NMP as a working fluid. 2. Heat and mass transfer characteristics in the generator.

[In Japanese. / En japonais.]

• Author(s) : KATO M., TSUJIMORI A., MORITA H., et al.
• Publication date: 2006
• Languages : Japanese
• Keywords : TFE, Refrigerating system, Generator, Mass transfer, Heat transfer, Absorption system, Modelling
• Source: Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers - vol. 23 - n. 3

IIR document

Thermophysical properties of new working fluid systems for absorption processes.

• Author(s) : NOWACZYK U., STEIMLE F.
• Publication date: 1992
• Languages : English
• Keywords : TFE, Efficiency, Absorption system, Process, Mixture
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 15 - n. 1
• Formats : PDF

IIR document

VAPOUR PRESSURE OF TRIFLUOROETHANOL.

• Author(s) : BIER K., TURK M., ZHAI J.
• Publication date: 1990
• Languages : English
• Keywords : TFE, R114, Halogen, Calculation, Measurement, R22, Refrigerant
• Source: Thermophysical properties of pure substances and mixtures for refrigeration.
• Formats : PDF

IIR Member news: Stef-TFE

Stef-TFE, one of Europe's largest providers of logistics to the chilled, frozen and temperate goods sectors and a corporate member of the IIR, has 12 000 employees, an annual turnover of over 1200 billion €, 48 cold-storage installations with a...

• Publication date : 2004/04/28

Brief: Reefer

Safmarine's improved reefer technology is providing solutions enabling the exporting of perishable produce previously considered as being unsuitable for shipment by sea. Safmarine South Africa was the first company in its network to ship 40-feet...

• Publication date : 2006/05/05

Reefer rental: trends

The reefer rental market has benefited from unexpected development. It started in the 1980s when thousands of refrigerated containers ceased being used, following the external trade collapse of fruit-exporting countries. The reefers were first...

• Publication date : 2006/07/26

2010 ASHRAE Refrigerant Safety Standards

ASHRAE has published its 2010 editions of Refrigerant Safety Standards. In these editions, HFO-1234yf and 14 refrigerant blends have been added. An optional 2L flammability classification subclass has been added to the existing Class 2 category,...

• Publication date : 2011/02/11

Reefer container production at its peak

Reefer container production increased greatly during 2011, beating their previous annual peak in 2008 by over 30%.

• Publication date : 2012/06/22

China: Food safety improvements underway

In the 1990s, China emerged as a low-cost exporter of food products such as vegetables, apples, seafood and poultry. But in recent years, China's exports slowed when shipments were rejected for failing to meet stringent standards in Japan, Europe...

• Publication date : 2007/02/12

Canada: CFIA Standardization of Food Safety Practices

The Canadian Food Inspection Agency (CFIA) recently announced plans to standardize its inspection practices to keep up with the changing food safety landscape.

• Publication date : 2012/08/16
• Subjects: Regulation

ASHRAE publishes Refrigeration Safety Standard

ASHRAE has published its 2004 refrigeration safety standard, which establishes procedures for operating equipment and systems to ensure the safety of the building occupants and technicians. ANSI/ASHRAE 15-2004 Safety Standard for Refrigeration...

• Publication date : 2005/01/12

Thermo King’s Magnum container reefers

Thermo King's Magnum container reefers have been chosen by Hanjin Shipping based in South Korea. Hanjin has 12 dedicated terminals in Rotterdam, Long Beach, Tokyo, Kaohsiung, and Busan, among others, 7 inland logistic bases in locations such as...

• Publication date : 2011/02/04

Reefer market strong despite crisis

The shipping sector has generally suffered from the economic downturn, especially bulk and container sectors. However, the reefer market still showed a 10-15% increase in 2008 as the ageing fleet is in need of renewal. At the end of 2008, the...

• Publication date : 2009/08/13

Briefs: Energy-saving Maersk reefers

Thanks to QUEST (Quality and Energy efficiency in Storage and Transport) software providing a new temperature-control regime based on commodity instead of air temperature, Maersk estimates that the energy consumption used to cool its reefers will...

• Publication date : 2008/02/12

First Chinese safety standard for cold stores

The codes should come into force in December this year

• Publication date : 2012/08/22
• Subjects: Regulation

Radio frequency technology makes warehouses more efficient and safer

Industrial Conveying has developed new technology for high-rise warehouses. Each crane communicates with every stationary object on its racks. The High Bay Stacker is managed by Radio Frequency (RF) and makes it possible to use very high spaces....

• Publication date : 2011/07/01

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

Cooling coffee bean to improve flavour.

A simple discovery which could have a major impact for the coffee industry.

• Publication date : 2017/03/09

News from IIR members: STEF-TFE

French logistics service provider STEF-TFE, a corporate member of the IIR, has signed a memorandum of acquisition of Italian firm Dispensa Logistics. The transaction, still to be approved by the authorities, will strengthen the position of...

• Publication date : 2011/08/08

STEF-TFE opens largest cold store in Madrid

New site cuts energy consumption by 15% with innovative energy storage system during off-peak hours

• Publication date : 2011/12/08

ICCC2022 - early bird rate ending soon

Only seven days left to take advantage of early bird rates for the 7th IIR International Conference on Sustainability and the Cold Chain (ICCC 2022).

• Publication date : 2022/02/18
• Subjects: HFCs alternatives, Developing country, Environment

IIR International Conference on the Application of HFO Refrigerants – early bird rate closing soon!

The early bird rate for the 1st IIR International Conference on the Application of HFO Refrigerants is scheduled to end in a few days. Book today to secure a place at this breakthrough conference !

• Publication date : 2018/06/28

Early Bird Registration now open for the Compressors Conference 2023 in London

Early Bird Registration ends August 6! This multi-day conference organised by the Centre for Compressors Technology at City, University of London, provides a forum for developments in air, gas and refrigeration...

• Publication date : 2023/05/04
• Subjects: Technology

Early bird registration ends April 15 for IIR-Gustav Lorentzen Conference 2022

Scheduled to take place on June 13-15, 2022, in Trondheim, Norway, the 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants will be a conference to remember!

• Publication date : 2022/04/07
• Subjects: Developing country, Technology, Environment

First meeting of the IIR Working Group on Refrigeration Safety

During the Gustav Lorentzen conference in Valencia (Spain), the IIR Working Group “Refrigeration Safety”, chaired by Alexander Cohr Pachai, held its first meeting.

• Publication date : 2018/08/08

Focus on Refrigeration Safety: IIR re-inaugurates Working Group

The IIR Working Group now on “Refrigeration Safety” will soon be relaunched and is ready to welcome a new chairperson.

• Publication date : 2018/03/14

Refrigeration Safety Working Group Congress meeting

Refrigeration Safety Working Group Congress meeting ICR 2019 offers opportunities for industry experts to meet and discuss improvements in refrigeration safety. With the upcoming...

• Publication date : 2019/08/07

26th International Congress of Refrigeration: A Remarkable Success

The 26th International Congress of Refrigeration (ICR), held on August 21-25, 2023, left an indelible mark on the world of refrigeration, serving as a resounding success with the active participation...

• Publication date : 2023/09/04
• Subjects: Technology, Environment, General information

Highlight from COP13/MOP36 - Day 1

At a side event during COP13/MOP36 in Bangkok, IIR and Cool Up Programme convened global leaders to address challenges in energy-efficient refrigeration and cooling. Discussions focused on reducing emissions,...

• Publication date : 2024/10/28

Highlights from COP13/MOP36 – Day 3

The IIR concluded another successful side event on natural refrigerants at COP13/MOP36. Today's session brought together a diverse group of government representatives, industry leaders, and environmental experts...

• Publication date : 2024/10/30

INDEE+ at 23rd India International Seafood Show (2023), Kolkata, India

In February 2023, INDEE+ successfully participated to the 23rd India International Seafood Show (2023) in Kolkata. The project was jointly promoted in a technical session and at a dedicated booth.

• Publication date : 2023/03/28

Statement by Yosr Allouche, new Director General of the IIR

The International Institute of Refrigeration (IIR) is pleased to announce the official nomination of Yosr Allouche as its new Director General. In this statement, she outlines her vision and aspirations for the...

• Publication date : 2024/10/17

Activities of IIR’s Commission B1 on “Thermodynamics and Transfer Processes”

Thermodynamics is essential for all topics covered by the IIR.

• Publication date : 2017/02/23

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

Thermophysical properties of HFO refrigerants

Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Blends, HFO et HCFO

Thermophysical properties of HFC refrigerants

Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : HFCs, Blends, HFO et HCFO

Thermophysical properties of hydrocarbon refrigerants

Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Hydrocarbons, Blends

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

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 HFC emissions from the refrigeration sector

This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

• Last update : 2022/01/20
• Langues : English
• Themes : General information on environment (climate change, ozone depletion…)

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…)

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

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

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

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

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

For IIR members only

Global cold storage capacity

This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).

• Last update : 2021/12/06
• Langues : English
• Themes : Refrigerated storage: economics and statistics