Search results

Comparing constant-speed and variable-speed centrifugal chillers.

• Author(s) : SULLIVAN B.
• Publication date: 2014/12
• Languages : English
• Source: ASHRAE Journal - vol. 56 - n. 12

IIR document

Comparing open and closed vertical refrigerated display cabinets at mild and tropical external environments.

Comparaison de meubles frigorifiques de vente verticaux ouverts et fermés dans des environnements externes tempérés et tropicaux.

• Author(s) : HEIDINGER G. G., NASCIMENTO S. M., GASPAR P. D., 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

Comparación de costes de differentes tipos de intercambiador de calor.

Cost comparison of different heat exchanger types.

• Author(s) : PERENCEVIC S.
• Publication date: 2014/10
• Languages : Spanish
• Source: Frío Calor Aire acondicionado - vol. 42 - n. 473
• Formats : PDF

IIR document

Comparison between measurement and wind tunnel experiment intended for apartment house.

• Author(s) : YAMADA K., NISHIMURA Y., SAKAI K.
• 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

Comparison of global food traceability regulations and requirements.

• Author(s) : CHARLEBOIS S., STERLING B, HARATIFAR S., et al.
• Publication date: 2014/08
• Languages : English
• Source: Comprehensive reviews in food science and food safety - vol. 13 - n. 5

Comparison of different cooling methods for lithium ion battery cells.

• Author(s) : CHEN D., JIANG J., KIM G. H., et al.
• Publication date: 2016/02/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 94

Energy performance comparison of fans with variable speed drives.

• Author(s) : HAUER A.
• Publication date: 2016/11/09
• Languages : English
• Source: ASHRAE Journal - vol. 58 - n. 11

Performance comparison between a single-stage and a two-stage hermetic rotary CO2 compressor.

• Author(s) : ZHANG L., YANG M., HUANG X.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Comparaison énergétique et exergétique de systèmes de dessalement.

Energy and exergy comparison between desalination systems.

• Author(s) : BYRNE P., DIABY A. T., SARRAY Y., et al.
• Publication date: 2016/03/24
• Languages : French
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

IIR document

Performance comparison of optimized R410A replacements.

• Author(s) : KUJAK S., SCHULTZ K.
• 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

Comparison and analysis of combined cooling and heating schemes of an office building.

[In Chinese. / En chinois.]

• Author(s) : QIAO L., LIANG M.
• Publication date: 2014/07
• Languages : Chinese
• Source: HV & AC - vol. 44 - n. 292
• Formats : PDF

Comparison and research about centralized and distributed air conditioning systems in residential buildings.

[In Chinese. / En chinois.]

• Author(s) : ZHOU X., YAN D., DENG G., et al.
• Publication date: 2014/07
• Languages : Chinese
• Source: HV & AC - vol. 44 - n. 292
• Formats : PDF

IIR document

Modelling and comparison studies of packed screen regenerators for active magnetocaloric refrigeration.

• Author(s) : LEI T., ENGELBRECHT K., NIELSEN K. K., et al.
• Publication date: 2014/09/07
• Languages : English
• Source: 6^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI). Proceedings: Victoria, Canada, September 7-10, 2014.
• Formats : PDF

IIR document

Electrocaloric vs. magnetocaloric energy conversion.

• Author(s) : OZBOLT M., KITANOVSKI A., TUSEK J., et al.
• Publication date: 2014/01
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 37 - n. 1
• Formats : PDF

Comparison between low side and high side compressors for high compression ratio applications.

• Author(s) : JUN O., JI G., HUANG X., et al.
• Publication date: 2017/07/20
• Languages : English
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Not-in-kind cooling technologies performance comparison

This study proposes a quantitative comparison of refrigerants and system performance of not-in-kind cooling technologies.

• Publication date : 2016/08/16

Performance comparison of R1234yf and R134a

A study published in Applied Thermal Engineering compares the performance of HFC-134a and HFO-1234yf as drop-in alternative in automotive air conditioning systems.

• Publication date : 2017/05/24

Energy efficiency comparison of air-conditioning systems in electric vehicles

A study compares the energy efficiency of conventional refrigeration systems with that of heat pumps in mobile air conditioning. R744, R134a and R1234yf are considered. Reversible heat pumps are found the most energy-efficient systems.

• Publication date : 2019/02/28

Comparison of the nutritional values of fresh and frozen fruits and vegetables

Researchers compared nutritional values between frozen, fresh and fresh-stored fruits and vegetables.

• Publication date : 2017/06/27

Comparison of oxygen liquefaction methods for use on the surface of Mars

An article published in Cryogenics reviews the various methods by which oxygen (used with methane as a propellant for ascent from the planet's surface) could be liquefied and stored on the surface of Mars.

• Publication date : 2018/04/19

Commercial refrigeration in Europe: huge potential for saving money

Compared to "remote rack CO2" systems, a store using integral display cases with propane (R290) as a refrigerant could achieve savings of over EUR 50,000 over a 10 year period, according to a life-cycle analysis.

• Publication date : 2018/03/22

The Canadian HVAC Market. First quarter 2014

According to the Heating, Refrigeration and Air Conditioning Institute of Canada (information provided by ReportLinker), air-handler sales showed the largest increase in the first quarter of 2014.

• Publication date : 2014/07/23
• Subjects: Figures, economy

Great potential for solar district cooling in Saudi Arabia

A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.

• Publication date : 2018/12/27
• Subjects: Developing country

Latest figures on HFC impact on climate change

EU reports that hydrofluorocarbons (HFCs) emissions from refrigeration and air conditioning (RAC) have decreased for the fourth consecutive year since 2014. On a global scale, the impact of HFCs on climate...

• Publication date : 2020/09/04
• Subjects: Environment

Air-conditioning and heat-pump market figures in France; January-April 2014.

From January to April 2014, air-to-air heat pumps showed signs of very slight growth (2 to 4 %) whereas air-to-water heat pump sales grew by 23 %.

• Publication date : 2015/02/11
• Subjects: Figures, economy

Cooling energy demand: significant savings in Germany

In Germany, the large increase in the number of refrigeration equipment has little impact on energy demand.

• Publication date : 2020/10/22

Global LNG market: review of 2021 and forecasts for 2022

According to the International Energy Agency (IEA), the global LNG market grew by 6% in 2021 in comparison with 2020. However, it is projected to slow down in early...

• Publication date : 2022/03/25
• Subjects: Figures, economy

Heat pump sales grew dramatically in Europe in 2021

According to the 2022 market report by the European Heat Pump Association (EHPA), heat pump sales grew by +34% in 2021, compared to a +7.4% growth in 2020.

• Publication date : 2023/01/16
• Subjects: Figures, economy

Employment in the French refrigeration sector

This new edition of the statistical presentation published by AGEFOS SME's observatory services highlights a very clear trend in employment: the very high proportion of permanent contracts (82%) and full-time jobs (91%) make this a particularly...

• Publication date : 2015/03/13
• Subjects: Figures, economy

Use of chillers in cannabis greenhouses

The legalisation of medical cannabis in several states in the US involves the development of new techniques to manage temperatures while reducing production costs.

• Publication date : 2020/02/06

The long awaited ICR2015 is underway!

Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.

• Publication date : 2015/08/19

Member news: Koura offers an alternative refrigerant to R1234yf for mobile air conditioning 

 Koura offers a direct replacement solution for R1234yf in mobile air conditioning.  

• Publication date : 2023/12/20

New IIR conference on the application of HFO Refrigerants

From September 2 to 5, 2018 in Birmingham (UK), the Institute of Refrigeration (IOR) will host the inaugural IIR International Conference on the application of HFO Refrigerants.

• Publication date : 2017/09/05

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

Available now: All 474 papers from the Purdue Conferences 2018

Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.

• Publication date : 2019/05/06

What’s next for the IIR Thermag conferences and magnetic refrigeration

Since 2005, the International Institute of Refrigeration (IIR) has been organising a biennial conference focused on magnetic cooling in room temperatures. With approximately 200 attendees discover why the latest edition of the Thermag VII...

• Publication date : 2016/10/11

IIR website: most downloaded publications in 2023

Discover the three most popular IIR publications of 2023. The focus is on the carbon footprint of the cold chain and cold rooms! 

• Publication date : 2024/02/27

IIR website: best downloads in 2022

Discover the three most popular IIR publications in 2022. The focus is on the economy, women in refrigeration, and the carbon footprint of the cold chain. 

• Publication date : 2023/01/24
• Subjects: Figures, economy, Environment

Supercooling and superchilling: A solution to increased shelf life and reduced food waste?

If these technologies were combined with perfusion chilling for meat and fish, then additional benefits such as rapid cooling, low weight loss and novel products could result.

• Publication date : 2015/10/27

News from IIR members: Kinarca

Kinarca obtains ISO 22000 certification for its gel-ice machine. Bureau Veritas Certification has certified that Kinarca's Food Security system applied to the design process, manufacturing assembly and maintenance of flo-ice machines is according...

• Publication date : 2009/02/24

Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany

Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.

• Publication date : 2022/08/16
• Subjects: Technology

New IIR publications: Properties of Secondary Working Fluids for Indirect Systems

This expanded 2nd edition responds to rising use of secondary refrigerant systems used in many applications. It comprises comprehensive data on a number of aqueous solutions of ethylene and propylene glycol, ethanol, glycerol, ammonia, chlorides...

• Publication date : 2010/05/27

IIR member news: Angelantoni Group

“COLD ENERGY” is an innovative solution to improve energy efficiency both for old and new compression refrigeration systems by transferring a highly efficient automotive technology to enhance energy recovery of heat exchangers.

• Publication date : 2017/01/20

Magnetic refrigeration: a promising technology

The IIR decided, a few years ago, to set up a Working Party on Magnetic Refrigeration at Room Temperature, and has organized 4 conferences: in 2005 in Switzerland, in 2007 in Slovenia, in 2009 in the USA, in 2010 in China. We published articles in...

• Publication date : 2011/02/07

Conference update: Ohrid

The 3rd IIR event in a series, Ammonia Refrigeration Technology was held on May 7-9, 2009, in Ohrid, Macedonia. With 95 participants from 24 countries and 32 papers presented, the event was very successful. A key focus of this series of...

• Publication date : 2009/05/27

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

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…)

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

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