Search results

The influence of main bearing parameters on the bearing wear in rotary compressor.

• Author(s) : KONG L., ZHAO Q., REN L., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Numerical Analysis of Friction Power and Wear of Vane in Rotary Compressor.

• Author(s) : YANG Z., GUO H., JIANG B., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Wear and lifespan evaluation of solid lubricant in rotary compressors operating in a refrigerant oil environment.

• Author(s) : YOO J., CHOI S. G., KIM J. H., HEO I. K., PARK S. D., KIM B., LEE J. P., PARK J. Y.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Theoretical study on wear characteristics of single screw refrigeration compressor with multicolumn envelope meshing pair.

• Author(s) : WANG Z., WANG H., WANG J., et al.
• Publication date: 2019/06
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 102
• Formats : PDF

A new alloy for high performance valve steel for high efficiency compressors.

• Author(s) : HOEL A., CHAI G., NILSSON J., JONSSON S., ZHANG G.
• Publication date: 2021/05
• Languages : English
• Source: 2021 Purdue Conferences. 25^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Process optimization to improve low friction and wear resistance of compressor solid lubricating coatings.

• Author(s) : PARK Y., CHOI Y., PARK S. J., CHOI S. G., KIM J. H., HEO I. K., YOO J., PARK J. Y.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Friction properties of journal bearing having bell-mouth geometry.

• Author(s) : ISHIDA Y., USAMI H., NAKASHIMA N.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Ageing of refrigerated truck insulation.

• Author(s) : CAVALIER G., DEVIN E., SUQUET T.
• 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

Influence of wear on leakage through reed-type valves of small reciprocating compressors.

• Author(s) : DOS SANTOS F. L., SILVA E., DESCHAMPS C. J.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Evaluation of friction and wear on PVE refrigeration lubricants for HFC refrigerants.

• Author(s) : MATSUMOTO T., KANEKO M., KAWAGUCHI Y.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Tribometer for the investigation of self-lubricating sealing materials under realistic compression conditions.

• Author(s) : JOSWIG M., KLOTSCHE K., THOMAS C.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

An integrated workflow for addressing performance, dynamics/NVH and tribological issues in scroll compressors.

• Author(s) : KANDASAMY S., AIHARA R., KERIBAR R., AFSHARI A., WANG Z., MA C., SONG D.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Disassembly of off the shelf reciprocating compressor after employment in high-temperature heat pump for more than 1000 operating hours.

• Author(s) : BRENDEL L. P. M., ARPAGAUS C., PFAFFL J., SIMON F., BERTSCH S. S.
• Publication date: 2024/07/18
• Languages : English
• Source: 2024 Purdue Conferences. 27^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Investigation into low viscosity refrigeration oil for refrigerators.

• Author(s) : SHONO Y., NARA F., OKIDO T., 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

Experimental study on the tribological characteristic of vane–roller interface of HC290 rotary compressor with mineral oil.

• Author(s) : CHEN Z., WU J., LI G.
• Publication date: 2018/10
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 94
• Formats : PDF

New environmental measures are emerging

Two important (for the refrigeration and air-conditioning sector) United Nations conferences take place every year, on ozone depletion and on climate change. The IIR attends these conferences and presents a statement as an intergovernmental...

• Publication date : 2009/02/24

Increasing pressure on HFCs

Policy-makers worldwide are increasing pressure to reduce HFC use.

• Publication date : 2011/12/05
• Subjects: Regulation

Rare earths for spatial measurements.

Researchers from ECA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.

• Publication date : 2014/11/27

Brazilian government outlines measures to reduce electricity consumption

Owing to severe droughts affecting hydropower generation, the Brazilian government is imposing measures to reduce electricity consumption in public buildings, including limiting the...

• Publication date : 2021/09/27
• Subjects: Developing country, Regulation

Rare earths for spatial measurements

Researchers from CEA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.

• Publication date : 2015/05/06

Measures towards energy-efficient air conditioning in Southeast Asian countries

The IEA projects that electricity demand from air conditioning could reach 300 TWh by 2040 in the ASEAN region (Association of Southeast Asian Nations). Energy efficiency measures...

• Publication date : 2022/05/30
• Subjects: Figures, economy, Regulation

Bunker under highly controlled-atmosphere to measure Earth’s rotation

Equipment with extremely stable laser requires perfect mastery of air pressure and temperature.

• Publication date : 2012/08/30

China: World's largest indoor ski resort applies energy saving measures

Shanghai’s new indoor ski resort relies heavily on refrigeration technologies, including 33 snow-making machines to feed the pistes.

• Publication date : 2024/11/06
• Subjects: General information

Measures for more energy-efficient air conditioning in Saudi Arabia

A recent article proposes key policies and technologies that could promote a more sustainable use of air conditioning in Saudi Arabia, a country where air conditioning accounts for 70% of household electricity...

• Publication date : 2020/12/28
• Subjects: Technology, Figures, economy

China: Latest policy measures to tackle end-of-life recycling and disposal of cooling equipment

In 2024, China has implemented several measures to reduce emissions from HFC and HCFC refrigerant recycling and recovery through cooling equipment end-of-life recycling and disposal.

• Publication date : 2024/08/27
• Subjects: Regulation, General information

Refrigeration at the heart of measures to promote energy efficiency in the EU

Decarbonised district cooling, efficient cooling of data centers and local cooling plans are part of the agreement reached for a reinforcement on the EU Directive on energy efficiency. 

• Publication date : 2023/03/27

Jordan and Cool Up finalise national cooling action plan with 30 key measures for sustainable cooling transition

As of November 2024, Jordan’s finalised National Cooling Action Plan (NCAP) includes 30 key measures which will undergo review before adoption in early 2025.

• Publication date : 2024/12/16
• Subjects: General information

Hypothermia and head injury: a new study

According to certain researchers, hypothermia should not be used to treat traumatic brain injuries.

• Publication date : 2015/11/01

Extreme heat grips Brazil: record temperatures, power demand surges, and emergency actions

Amid record-high temperatures above 40°C, the Southeast and Central-West regions of Brazil are experiencing peak electricity demand for cooling and require local actions to tackle heat stress.

• Publication date : 2025/03/11
• Subjects: General information

Pressure exchanger enhances efficiency of CO2 refrigeration systems

A new pressure exchanger technology, adapted from the desalination industry, offers significant energy efficiency improvements for CO2 refrigeration systems, addressing challenges of high energy...

• Publication date : 2024/12/02

Driving Consistent and High-Quality Training on Alternative Refrigerants Across Europe

Real Alternatives is driving consistent and high-quality training on low-GWP alternative refrigerants across Europe, providing a comprehensive certification system to support the transition away from fluorinated...

• Publication date : 2025/03/18

Call for abstracts ends October 10: LNG2023, “Fuelling a Secure Energy Future”

LNG2023 is the largest and most significant global LNG industry conference and exhibition, occurring once every three years!

• Publication date : 2022/09/27
• Subjects: Technology, Environment

ENOUGH Project: Joint Statement on Food Waste Reduction

The ENOUGH project has joined efforts to call for rigorous food waste reduction measures in Europe.

• Publication date : 2023/12/08

LNG2023: Call for abstracts extended to October 24!

A two-week extension has now been confirmed to ensure LNG2023 does not miss hearing from some key industry voices. Don’t miss the new call for abstracts deadline of October 24, 2022!

• Publication date : 2022/10/11
• Subjects: Technology, Environment

Gustav Lorentzen conference 2022

After two years of pandemic during which the conferences were either cancelled or held online, the IIR had the pleasure of organising a conference on site, in Norway. It was attended by 332 participants. The...

• Publication date : 2022/07/08

Happy World Ozone Day!

On behalf of UN Environment Programme (UNEP) OzonAction, it gives us great pleasure to wish you a happy World Ozone Day.

• Publication date : 2020/09/16
• Subjects: Developing country, Environment

Don’t miss your chance to support the IIR Congress 2023!

To ensure the visibility of your entity across the industry on an international level, sponsoring the 26th IIR International Congress of Refrigeration is a must!

• Publication date : 2022/12/13
• Subjects: General information

News from IIR members: Sofrigam

Sofrigam has developed new technology following extensive research over a 2-year period: a fast locking system that ensures security and sealing of its passive refrigerated packaging.

• Publication date : 2013/04/19

Discover the 30th Informatory Note on Heat-Sensitive Health Products

In this Informatory Note, the IIR has defined the issues and challenges that need to be addressed in order to ensure that reliable cold chains, along the distribution chain of products essential to public health, are put in place.

• Publication date : 2016/01/13

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

Cooling data centres: A major economic challenge

Larger data centres can use a staggering amount of energy just to ensure the day-to-day running of electronic equipment. As a result, these data centres can produce a great deal of heat, which require large-scale cooling systems in order to...

• Publication date : 2017/03/29

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

Editorial by Didier Coulomb

Renewal of generations has to take place in all societies and the ability to attract young people to certain professions must be a major concern in companies and public organizations. This is particularly true in the refrigeration sector, and of...

• Publication date : 2005/06/14

Editorial by Didier Coulomb

Since the beginning of the year, the Focus section of the Newsletter has dealt with environmental measures in general and measures addressing HFCs (hydrofluorocarbons) in particular that have already been adopted or are foreseen in various...

• Publication date : 2009/12/09

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

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

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 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

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

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

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…)

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

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

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)