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IIR document

Data-enhanced convolutional network based on air conditioning system start/stop time prediction.

• Author(s) : WANG H., TAN J.
• Publication date: 2025/01
• Languages : English
• Keywords : Air conditioner, Adjustment, Starting, Temperature, Energy consumption, Simulation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 169
• Formats : PDF

Computational model of start-up process for reciprocating compressors.

• Author(s) : FALCETTI E. P., BOTEGA T. F., CABEZAS-GÓMEZ L.
• Publication date: 2022/07/15
• Languages : English
• Keywords : Reciprocating compressor, Modelling, Geometry, Expérimentation, Thermodynamic property, Electric motor, Commercial application, Household application, Starting
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Transient thermal and structural analysis of cylinder and bolted joints on BOG compressor during starting process.

• Author(s) : WEI L., YAN Y., LI Y., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Thermal analysis, Gas, Seal, LNG, Starting, Cylinder, Compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Study on stroke unstable fluctuation of linear compressor and start-up control optimization with frequency tracking.

• Author(s) : ZOU H., WANG M., TANG M., et al.
• Publication date: 2018/12
• Languages : English
• Keywords : Linear compressor, Control (automatic), Stability, Optimization, Fluctuation, Expérimentation, Starting
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

IIR document

Determination of defrosting start time in an air-to-air heat pump system by frost volume calculation method.

• Author(s) : YOO J. W., CHUNG Y., KIM G. T., et al.
• Publication date: 2018/12
• Languages : English
• Keywords : Calculation, Air-air, Heat pump, Evaporator, Starting, Defrosting
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

IIR document

Steady state and start-up performance characteristics of air source heat pump for cabin heating in an electric passenger vehicle.

• Author(s) : LEE H. S., LEE M. Y.
• Publication date: 2016/09
• Languages : English
• Keywords : R134a, Electricity, Car, Steady state, Air-source system, Power, Heat pump, Performance, Starting, COP, Refrigerant, Heating
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
• Formats : PDF

IIR document

CO2 as a refrigerant - Start right away!

• Author(s) : JAVERSCHEK O., CRAIG J., XIAO A.
• 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

Experimental study on startup characteristics of a R290 room air conditioner under various ambient temperatures.

• Author(s) : WANG C., WU J., DU Y., et al.
• Publication date: 2020/01
• Languages : English
• Keywords : Air conditioner, R290, Propane, Starting, Ambient condition, Compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 109
• Formats : PDF

IIR document

Experimental study on startup characteristics of R290 air conditioner with low lubricant charge.

• Author(s) : LEI B., WANG C., NORO M., WU Q., WU J.
• Publication date: 2023/09
• Languages : English
• Keywords : Air conditioner, R290, Lubricant, Starting, Viscosity, Mixture, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
• Formats : PDF

IIR document

Experimental investigation on startup process for oil supply system of a variable speed rotary compressor.

• Author(s) : ZHU Y., HE G., WEI S., SHIMOJI M., CHEN X.
• Publication date: 2020/05
• Languages : English
• Keywords : Rotary compressor, Variable speed, Oil, Starting, Flow, Viscosity, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 113
• Formats : PDF

IIR document

Experimental investigation on cold startup characteristics of a rotary compressor in the R290 air-conditioning system under cooling condition.

• Author(s) : WU J., LIN J., ZHANG Z., et al.
• Publication date: 2016/05
• Languages : English
• Keywords : Cooling, R290, Propane, Expérimentation, Starting, Air conditioning, Rotary compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 65
• Formats : PDF

IIR document

Low GWP refrigerants era has started – Compressor manufacturer experience.

• Author(s) : ZGLICZYNSKI M.
• Publication date: 2017/09/06
• Languages : English
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

IIR document

Experimental investigation of startup characteristics of R290 rotary compressor under low ambient temperature heating condition.

• Author(s) : LIN J., WU J., ZHANG Z., et al.
• Publication date: 2017/05
• Languages : English
• Keywords : Temperature, R290, Heat pump, Pressure, Expérimentation, Starting, Rotary compressor, Heating
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 77
• Formats : PDF

Virtual prototyping methodology: predicting start stop movement of pump unit by simulation.

• Author(s) : TERLEVIC B., NERPEL N., NIKITIN D., CASTRO M. S. da
• Publication date: 2022/07/15
• Languages : English
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

NLP model and stochastic multi-start optimization approach for heat exchanger networks.

• Author(s) : NUÑEZ-SERNA R. I., ZAMORA J. M.
• Publication date: 2016/02/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 94

New refrigerant regulations in California

Starting in January 2012, the California Air Resources Board (ARB) will apply new refrigerant regulations In California.

• Publication date : 2011/12/21
• Subjects: Regulation

From waste to warmth: Geospatial information for UK waste heat recovery and Net-Zero energy systems

A new project led by London South Bank University (LSBU) aims to map and assess waste heat generated by cooling systems in urban areas, starting with Birmingham. 

• Publication date : 2025/04/17

Europe: GHG emissions

Starting in 2005, the European Union is to introduce a greenhouse-gas (GHG) emissions trading scheme imposing a cap on carbon-dioxide emissions from 15 000 installations across Europe. In the UK, the scheme will cover 46% of total emissions and...

• Publication date : 2004/04/28

Out of ordinary

Residents of Harbin, China, are not daunted by their long, cold winters. Instead they celebrate by holding the Harbin Snow and Ice Festival. Organized annually since 1985, the festival draws over a million tourists every winter. Teams of sculptors...

• Publication date : 2005/06/14

Cool eggs

The US Food and Drug Administration (FDA) estimates that 30 deaths and 79000 foodborne illnesses due to consumption of eggs infected with Salmonella Enteritidis occur annually. New food safety requirements designed to address this issue...

• Publication date : 2011/02/11

Green buildings: Darmstadtium

Darmstadtium features pioneering energy-saving and environmental technologies. For instance, a "Calla" - a flower-like funnel-shaped glass roof - in the heart of the building collects rainwater, lets in daylight and sucks in fresh air. Cooling is...

• Publication date : 2008/07/11

Natural refrigerants in emerging countries: GTZ

Within the International Climate Initiative, the Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) is implementing a project aiming to introduce R290 (propane) room air-conditioning systems in China in order to replace HCFC-22. Endowed...

• Publication date : 2010/03/07

Solar cooling: Developing countries

In order to help Jean-Louis Julliard, a French producer, market local-fish precooked meals in Mali, Lionel Bataille improved existing solar-cooling technology developed by a CNRS laboratory in Perpignan, France. The cooling system used a...

• Publication date : 2011/02/04

The IIR will be present at COP-10

The Tenth Session of the Conference of the Parties (COP-10) to the United Nations Framework Convention on Climate Change is to be held in Buenos Aires, Argentina on December 6-17, 2004. For this event, the IIR prepared, thanks to networking with...

• Publication date : 2004/11/10

Trends and Figures: Increase in AC prices in Asia

According to 2 articles in JARN, the prices of air conditioning are starting to show the effects of the rising raw materials prices, including those of copper, steel and aluminium. There are claims that the prices of these essential metals, in...

• Publication date : 2006/11/15

Heat pumps

- Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

• Publication date : 2005/07/19

Briefs: Funding for solar cooling pioneers

Faced with climbing fossil fuel prices, refrigerated warehouse companies around the globe are starting to look seriously at renewable energy sources, particularly solar energy. In the United States, companies such as ShopRite Supermarket, Costco...

• Publication date : 2011/02/07

MAC developments

While in the mobile air-conditioning (MAC) sector, R&D is focusing on alternative refrigerants to R134a (see "In the news" below), some other research projects or achievements are noteworthy: - The National Renewable Energy Laboratory in...

• Publication date : 2009/12/09

Figures: China: Cold chain

China has become the largest food producing and consuming country in the world: both national production and consumption figures account for about 1/4 of the corresponding global figures and the proportion is still rising rapidly. According to...

• Publication date : 2008/02/12

The HCFC phase-out challenge (2)

- Following the decision taken in September 2007 by the signatory countries of the Montreal Protocol to accelerate by 10 years the phase-out schedule of HCFCs, the IIR has decided to have a regular section in the Newsletter dedicated to this...

• Publication date : 2008/05/13

Job opportunities: Sainsbury’s is looking for young graduate engineers.

Sainsbury’s is looking for young graduate engineers: £27,000 (32,500 €) starting salary, six monthly reviews and performance relative bonus.

• Publication date : 2014/02/06

Job opportunities: Sainsbury’s is looking for young graduate engineers.

Sainsbury’s is looking for young graduate engineers: £27,000 (32,500 €) starting salary, six monthly reviews and performance relative bonus.

• Publication date : 2014/05/19

IIR reaches a key milestone: over 10 years of conferences now referenced in Web of Science

The IIR is now indexed in Web of Science, with continuous referencing starting from 2014. This highlights the quality of its conferences and its authors’ contributions, while making research more accessible to...

• Publication date : 2025/02/18

IIR Working Party Mitigation of Direct Emissions of GHGs

The second meeting of the IIR Working Party Mitigation of Direct Emissions of Greenhouse Gases in Refrigeration (WP_MRE) will take place at the International Institute of Refrigeration, 177, Boulevard Malesherbes, 75017 Paris, on February 9, 2011,...

• Publication date : 2010/12/23

Conference update: Bratislava

Cryogenics 2010 will take place on April 26-29, 2010, in Bratislava, Slovak Republic. The main themes are helium cryogenics; superconductivity and cryogenic physics; liquefaction and separation of industrial gases and natural gas and the...

• Publication date : 2010/03/07

Editorial by Didier Coulomb

The IIR's mission is to disseminate the outcomes of research on refrigeration technologies and applications. Through its Framework Programmes for Research and Technological Development (FPRD) the European Union regularly funds major research...

• Publication date : 2011/02/04

Brief: IOR's Anniversary

Over 900 persons attended the UK Institute of Refrigeration (IOR)'s 106th Anniversary Dinner which was held on February 8, 2006 at Grosvenour House Hotel, London, appropriately in the ballroom, a former ice skating rink. In his speech, the...

• Publication date : 2006/05/05

See what's in our events calendar for 2016!

ICR2015 may be over, but the IIR’s conference activities in 2016 show a promising choice of events covering cutting-edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.

• Publication date : 2015/09/02

The IIR's new Web portal has been launched

The IIR’s new refrigeration portal went online early July (www.iifiir.org). Most of you should have received an e-mail with all the necessary information regarding how to use it and take advantage of new...

• Publication date : 2011/08/09

Quick Frozen Foods Code

The Recommended International Code of Practice for the Processing and Handling of Quick Frozen Foods of the Codex Alimentarius (Joint FAO/WHO Food Standards Programme) is now available on the Codex Alimentarius Web site on the list of

• Publication date : 2009/08/13

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: Developing country, Environment, HFCs alternatives

Editorial by Eric Granryd

The IIR is by no means a young organization- it will soon celebrate its 100th anniversary- but is using modern management approaches. Thus, earlier this year the IIR formed a new independent committee to examine achievements arising from the...

• Publication date : 2004/07/27

ACES Inaugural Conference: “The Hot Reality: Living in a +50°C World”

The Africa Centre of Excellence for Sustainable Cooling and Cold Chain (ACES) hosted a series of events from 17 to 19 October 2023, at ACES headquarters at Rubirizi Campus in Kigali, Rwanda. 

• Publication date : 2023/11/28

EU project ENOUGH offers PhD scholarship at CNR-ITC in Padova (Italy)

A PhD scholarship will be offered as part of the Horizon 2020 project ENOUGH. The European project will aim to provide technologies, tools and methods to contribute to the EU Farm to Fork strategy to achieve...

• Publication date : 2022/02/15
• Subjects: Technology, Environment

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

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 : English, French
• 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 : English, French
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)