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IIR document

Measurement of the permeability of suction filter in reciprocating compressor.

• Author(s) : RUMAN R., ŠUSTEK J., TOMLEIN P.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Suction, Filter, CFD, Measurement, Permeability, Modelling, Porous medium, Darcy, Reciprocating compressor
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

IIR document

Investigation of refrigeration efficiency for fully wet circular porous fins with variable sections by combined heat and mass transfer analysis.

• Author(s) : HATAMI M., GANJI D. D.
• Publication date: 2014/04
• Languages : English
• Keywords : Fin, Mass transfer, Heat transfer, Rayleigh, Performance, Porous medium, Humidity, Darcy
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 40
• Formats : PDF

IIR document

Experimental investigation on buoyancy-induced convection in aluminum metal foams.

• Author(s) : BARBIERI M., DI ILIO G., PATANÈ F., et al.
• Publication date: 2017/04
• Languages : English
• Keywords : Fin, Correlation, Heat transfer, Aluminium, Foam, Mussel, Expérimentation, Darcy, Forced convection, Convection
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• Formats : PDF

IIR document

Similarity analysis on heat and mass transfer of absorption process for the falling film flow on a porous medium.

• Author(s) : HASANUZZAMAN M., MIYARA A.
• Publication date: 2018/06/18
• Languages : English
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Improved equivalent simple model of complicated bypass leakages in scroll compressors.

• Author(s) : ANAMI K., ISHII N., TSUJI T., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Numerical simulation of wavy liquid film flowing along inclined porous wall.

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

Numerical investigation of hydrogen sorption kinetics for AB5 type porous pellets.

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

IIR document

Novel compact bed design for adsorption cooling systems: Parametric numerical study.

• Author(s) : MOHAMMED R. H., MESALHY O., ELSAYED M. L., et al.
• Publication date: 2017/08
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 80
• Formats : PDF

IIR document

Experimental investigations of ice slurry flows in horizontal pipe based on monopropylene glycol.

• Author(s) : MELLARI S.
• Publication date: 2016/05
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 65
• Formats : PDF

Empirical calculation method for bypass leakage in scroll compressors.

• Author(s) : ISHII N., TSUJI T., NONOGUCHI E., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Numerical Investigation on the Mechanism of Transpiration Cooling for Porous Struts Based on Local Thermal Non-Equilibrium Model.

• Author(s) : YANG H., LIU X., BIAN Y., WANG G.
• Publication date: 2022/03
• Languages : English
• Source: Energies - 15 - 6
• Formats : PDF

CFD based comparison of slit fin and louver fin performance for small diameter (3mm to 5 mm) heat exchangers.

• Author(s) : SARPOTDAR S., NASUTA D., AUTE V.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

CFD based correlation development for air side performance of finned and finless tube heat exchangers with small diameter tubes.

• Author(s) : BACELLAR D., AUTE V., RADERMACHER R.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

CFD-based airside heat transfer and pressure drop correlation development for small diameter (3 mm to 5 mm) louver fin heat exchangers.

• Author(s) : SARPOTDAR S., NASUTA D., AUTE V.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Thermal analysis of a constructal T-shaped porous fin with radiation effects.

• Author(s) : BHANJA D., KUNDU B.
• Publication date: 2011/09
• Languages : English
• Keywords : Radiation, Free convection, Fin, Heat transfer, Performance, Porous medium, Darcy
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 34 - n. 6
• Formats : PDF

Briefs: A CO2 secondary refrigerant system to test icebreakers

Travelling through the North Pole's ice-capped seas could reduce sea transport distances between Hamburg and Osaka, Japan, or Shanghai, China, for instance, by more than 4000 nautical miles, thus allowing for great time and financial savings. The...

• Publication date : 2009/02/25

Development of a prototype of Secondary loop Mobile Air Conditioning System

Tata Motor, an Indian car manufacturer, recently signed a partnership with the German automotive supplier Mahle to design and develop a Secondary Loop Mobile Air Conditioning System (SL-MAC).

• Publication date : 2017/09/13

3D printing for passive buildings

3D printing of buildings, which has advantages in terms of cost and speed of construction, can also facilitate the design of near zero energy buildings. 

• Publication date : 2021/03/29

NASA’s James Webb Space Telescope

Cryogenic testing has now been completed for the final 6 primary mirror segments and a secondary mirror that will fly on NASA’s James Webb Space Telescope.

• Publication date : 2012/08/03

Low-GWP alternatives in refrigerated transport

An EPA fact sheet provides full details on alternatives to HFCs: R744, R717, hydrocarbons and HFOs, and describes alternative technologies: cryogenic systems, secondary loop systems, eutectic plates, hermetic and semi-hermetic vapour-compression...

• Publication date : 2012/04/19

CO2 is gaining ground in North-American supermarkets

In Canada, according to the shecco “GUIDE 2013: Natural Refrigerants - Market Growth for North America,”over 65 food-retail stores use or have made a purchase order for CO2 secondary, cascade, or transcritical refrigeration systems. CO2 is also...

• Publication date : 2013/08/26

Launch of the first R1234ze free-cooling chillers

The “first to market” TurboChill free cooling chillers using low global warming potential (GWP) refrigerant R1234ze are going to be launched.

• Publication date : 2013/12/18

IIR Member news: GEA installs a transcritical CO2 system on cruise ships.

International technology group GEA signed a contract with P&O Cruises, the world’s largest commercial cruise ship operator, for its new transcritical CO2 industrial refrigeration technology.

• Publication date : 2018/09/20

The Bank of England overhauls chillers

A new cooling system at the Bank of England building, in the City of London, has saved an estimated 48% on cooling energy, which translates to €190,000 a year.

• Publication date : 2016/05/24

Briefs: Ice cubes at over 10°C

Ice slurries are well known for their capacity to transport heat within confined systems. Cemagref is currently working on a new type of two-phase secondary refrigerant: a gas-hydrate slurry which could pave the way for applications in the...

• Publication date : 2008/10/25

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

Growing interest in CO2 technology

Scientists and refrigeration practitioners are increasingly interested in carbon dioxide (CO2) technology. The IIR's Fridoc database contains 198 references to articles mentioning CO2 in their titles and 448 containing the term CO2 in the key...

• Publication date : 2004/04/28

Events: c-dig

The latest c-dig (carbon dioxide interest group) meeting took place in Lyon, France, on November 3-4, 2008 and was attended by about 40 researchers, compressor manufacturers and industry stakeholders. It gave an overview of the current state of...

• Publication date : 2009/02/24

Proper disposal of old appliances

The US Environmental Protection Agency along with 8 partners have launched a new, voluntarily Responsible Appliance Disposal programme to promote environmentally responsible disposal of old refrigerators and freezers, ensuring that CFCs are...

• Publication date : 2007/02/12

India’s largest HVAC project

ETA Engineering is to install the HVAC system in Terminal 3 in Dehli International Airport, at a price of around 100 million USD. Due to be completed in September 2009 and to be handed over in March 2010, the 450 000 m² facility will be cooled by...

• Publication date : 2008/10/14

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

New publications: The CD-ROM proceedings of the Vicenza IIR Conferences

The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...

• Publication date : 2006/01/28

IIR Conference: Auckland

Innovative Equipment and Systems for Comfort and Food Preservation , an IIR conference, will be held in Auckland, New Zealand, on February 16-18, 2006. Deadlines: June 1, 2005 for abstracts and September 16, 2005 for papers. December 9, 2005:...

• Publication date : 2005/06/14

Conference update: Sydney

The 9th IIR Gustav Lorentzen Conference Natural Working Fluids will be held in Sydney, Australia, on April 12-14, 2010. The call for papers and first announcement are now available:

• Publication date : 2009/05/18

International events: GL2008

The 8th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2008) was held in Copenhagen on September 7-10, 2008. The event attracted 397 participants from 32 countries. The initial conferences in the series tended to attract participants...

• Publication date : 2008/10/25

News from IIR members: MYCOM Mayekawa

The Japanese compressor manufacturer MYCOM Mayekawa will be introducing its high-efficiency NH3/CO2 cooling system NewTon3000 within the context of the Garden City Ammonia Program (GCAP). GCAP is actively promoting CO2 emissions reduction and...

• 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

ICR2007 in Beijing

The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

• Publication date : 2007/11/20

The First Conference on the Application of HFO Refrigerants unveils its programme

The Institute of Refrigeration (IOR) has just released the programme for the Conference on the Application of HFO Refrigerants to take place in Birmingham from the 2nd to the 5th of September 2018.

• Publication date : 2018/08/02
• Subjects: Regulation

Member news: Mexichem Fluor changes name to Koura

The Mexichem branch specialized in the development and manufacturing of fluorinated products changes its name to become Koura.

• Publication date : 2019/09/30

Shecco Virtual Trade Show Concludes 24-Hour Global Exhibit with over 4,000 Registrations

VTS attendees came from across the global cooling marketplace, including end users, manufacturers, contractors, associations, government officials, consultants, academics, students, media, and NGOs.

• Publication date : 2020/09/04
• Subjects: HFCs alternatives, Environment

Call for abstracts now open! 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants

Prospective authors of papers are encouraged to submit 150-200 word abstracts by September 15, 2021.

• Publication date : 2021/07/08
• Subjects: Technology, Environment

IIR member news: Danfoss

Overview of the key global trends in refrigerants in Danfoss new report.

• Publication date : 2014/11/21
• Subjects: Environment

IIR member news: Cemafroid's experience in F-Gas certification recognized in Italy

Tecnea, majority shareholder in French company Cemafroid, benefactor member of the IIR, was recently accredited to grant certifications (certificates of competency) via its branch Tecnea Italia.

• Publication date : 2014/08/13
• Subjects: Regulation

IIR member news: AFCE

The AFCE published an explanatory document of the F-Gas Regulation.

• Publication date : 2014/12/01
• Subjects: Regulation, HFCs alternatives

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

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