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IIR document

Pool boiling heat transfer measurements on a horizontal plate with a low global warming potential refrigerant.

• Author(s) : T'JOLLYN I., NONNEMAN J., PAEPE M. de
• 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

General correlation for critical heat flux during saturated flow across a cylinder.

• Author(s) : SHAH M. M.
• Publication date: 2022/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 144
• Formats : PDF

IIR document

Correlation for CHF during subcooled flow across a single cylinder.

• Author(s) : SHAH M. M.
• Publication date: 2023/01
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 145
• Formats : PDF

IIR document

BOILING HEAT TRANSFER OF R113 FROM COMPOSITE SURFACE.

• Author(s) : BLAGOJEVIC B., NOVAKOVIC M.
• Publication date: 1983/08/07
• Languages : English
• Keywords : Heat transfer coefficient, R113, Evaporation, Nucleate boiling
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

IIR document

An experimental study of an ejector cycle refrigeration machine operating on R113.

• Author(s) : KHALIDY N. al-
• Publication date: 1998/12
• Languages : English
• Keywords : Ejector system, R113, Heat pump, Refrigerating plant, Solar energy, Refrigerant
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 21 - n. 8
• Formats : PDF

IIR document

CORRELATIONS DE TRANSFERT DE CHALEUR POUR L'EBULLITION DE FLUIDES DE REMPLACEMENT DU R113.

CORRELATION EQUATIONS FOR BOILING HEAT TRANSFER ASSOCIATED WITH R113 REPLACEMENT FLUIDS.

• Author(s) : JOMARD T., LALLEMAND M.
• Publication date: 1990
• Languages : French
• Keywords : Halogen, Correlation, Calculation, Measurement, Heat transfer, R113, Refrigerant, Latent heat, Boiling
• Source: Thermophysical properties of pure substances and mixtures for refrigeration.
• Formats : PDF

IIR document

HEAT TRANSFER COEFFICIENTS FOR A VERTICAL FLUTED-PLATE CONDENSER WITH R113 AND R114.

• Author(s) : UEHARA H., NAKAOKA T., NAKASHIMA S.
• Publication date: 1985
• Languages : English
• Keywords : R114, Heat transfer coefficient, Extended surface, Calculation, R113, Vertical plate, Condenser, Film condensation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 8 - n. 1
• Formats : PDF

Boiling heat transfer characteristics of R113 in a vertical small diameter tube under natural circulation condition.

• Author(s) : FEROZ MD C., KAMINAGA F.
• Publication date: 2002/11
• Languages : English
• Keywords : Free convection, Mass transfer, Vertical tube, Heat transfer, R113, Boiling
• Source: International Journal of Heat and Mass Transfer - vol. 45 - n. 24

IIR document

ETUDE COMPARATIVE DES MELANGES R12-R11 ET R12-R113 DANS UN CIRCUIT DE POMPE A CHALEUR.

COMPARATIVE STUDY OF R12-R11 AND R12-R113 MIXTURES IN A HEAT PUMP CIRCUIT.

• Author(s) : TAJOURI F., DALIGAULT J., DUMINIL M.
• Publication date: 1987/08/24
• Languages : French
• Keywords : Halogen, R12, R113, R11, Heat pump, Performance, Zeotropic mixture, Mixture, Evaporator, Refrigerant, Condenser
• Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
• Formats : PDF

IIR document

EVAPORATION DES MELANGES NON AZEOTROPIQUES DE FLUIDES FRIGORIGENES R22/R113 ET R22/R114 A L'INTERIEUR D'UN TUBE LISSE HORIZONTAL.

FLOW BOILING OF NON-AZEOTROPIC MIXTURES R22/R113 AND R22/R114 INSIDE AN HORIZONTAL SMOOTH TUBE.

• Author(s) : BERRADA N., MARVILLET C.
• Publication date: 1987/08/24
• Languages : French
• Keywords : R114, Horizontal tube, Heat transfer coefficient, Halogen, Calculation, Measurement, R22, R113, Zeotropic mixture, Mixture, Refrigerant, Boiling, Pressure drop
• Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
• Formats : PDF

Condensation of bubbles in miscible liquids.

• Author(s) : KALMAN H.
• Publication date: 2003/08
• Languages : English
• Keywords : Bubble, Liquid, R113, Modelling, Miscibility, Expérimentation, Condensation
• Source: International Journal of Heat and Mass Transfer - vol. 46 - n. 18

IIR document

VAPOUR BUBBLE CONDENSATION IN SLIGHTLY SUBCOOLED PURE LIQUIDS.

• Author(s) : AURACHER H., MAIER M.
• Publication date: 1983/08/07
• Languages : English
• Keywords : Bubble, Heat transfer, Alcohol, R113, R11, Propane, Condensation
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

IIR document

COMPARATIVE PERFORMANCE OF < FREON > EJECTOR REFRIGERATION SYSTEMS.

• Author(s) : CHARAN V.
• Publication date: 1991/08/10
• Languages : English
• Keywords : Ejector system, R22, R21, R12, R113, R11, Performance
• Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
• Formats : PDF

IIR document

Bubble pressures and saturated liquid molar volumes of the propane (1)-dichlorotetrafluoroethane(2)-trichlorotrifluoroethane(3) ternary system and of the three corresponding binaries.

• Author(s) : CHARETON A., et al.
• Publication date: 1992
• Languages : English
• Keywords : Thermodynamics, R114, Bubble, Measurement, R113, Physical property, Propane, Mixture
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 15 - n. 3
• Formats : PDF

ULTRASONIC ENHANCEMENT OF SATURATED AND SUBCOOLED POOL BOILING.

• Author(s) : PARK K. A., BERGLES A. E.
• Publication date: 1988/03
• Languages : English
• Keywords : Enhancement, Electronics, Ultrasound, Heat transfer, R113, Immersion, Cryogenics, Boiling
• Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 3

European Commission investigates over R1234yf patents

On December 16, 2011, the European Commission (EC) has "opened antitrust proceedings concerning agreements between Honeywell and DuPont" for the development of R1234yf for air-conditioning systems in cars. "

• Publication date : 2012/02/27

Daimler decides not to switch to R1234yf

After having examined real-life scenarios conducted using R1234yf, Daimler, the manufacturer of Mercedes-Benz cars, has announced its intention to stick to R134a instead of implementing R1234yf in its automobile air-conditioning systems.

• Publication date : 2012/11/20

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

EPA permits R1234yf to be sold to US consumers

As a result of a lawsuit brought by the AAIA and the ARPI, the U.S. Environmental Protection Agency (EPA) issued a final rule that will permit R1234yf to be sold to US consumers.

• Publication date : 2013/12/29
• Subjects: Regulation

R1234yf tested for bus air conditioning

Tests co-funded by the Spanish Ministry of Science and Innovation and run bus AC system company Hispacold suggest that HFO-1234yf is a near drop-in replacement refrigerant for HFC-134a in the tested Hispacold’s 12S roof top bus air-conditioning...

• Publication date : 2011/12/30

R1234yf as a working fluid in Organic Rankine Cycle systems

A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...

• Publication date : 2021/09/07
• Subjects: Technology

DuPont’s new HFO 1336mzz could replace R123

DuPont has announced it is to start small scale production of a new low GWP HFO which could replace R123.

• Publication date : 2014/05/22
• Subjects: HFCs alternatives

Daimler agrees to use R1234yf to comply with EU regulations

Daimler agrees to use R1234yf but will phase in CO2 from next year.

• Publication date : 2015/12/06

Foam blowing agents: use of R1233zd(E) is expanding

Honeywell announced that TCL, one of China’s largest appliance manufacturers, selected HFO1233zd(E) as foam blowing agent in its domestic refrigerators.

• Publication date : 2017/12/18

European Commission questions Honeywell/DuPont R1234yf collaboration

On October 21, 2014, the European Commission has sent a Statement of Objections to Honeywell and DuPont regarding cooperation on new refrigerant used in car air-conditioning systems.

• Publication date : 2014/11/24

Transport: Hapag-Lloyd switches from R134a to R513A

The German shipping company Hapag-Lloyd has recently purchased 1,000 containers chilled with R513A.

• Publication date : 2018/02/20

Arkema announced the construction of a R1234yf production plant in China

Arkema, French leading supplier of refrigerants, recently announced the construction of a R1234yf production plant in Changsu (near Shanghai), China.

• Publication date : 2013/12/05

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

Controversy over R1234yf: EC confirms enforcement of MAC Directive by January 1, 2013

Despite the safety concerns expressed by Daimler and calls for an additional moratorium in the refrigerant transition schedule, the EC restated on December 20, 2012, that “the MAC Directive will be fully enforced as of January 1, 2013”

• Publication date : 2013/02/28

R1234yf could be used in 3 million cars by the end of the year

DuPont expects refrigerant HFO1234yf will be used in the air-conditioning systems of nearly 3-million vehicles worldwide by the end of this year.

• Publication date : 2014/07/10

IIR member news: Johnson Controls YORK chiller optimised for R1233zd(E)

The YORK YZ magnetic bearing centrifugal chiller, produced by Johnson Controls, is said to be the first chiller fully optimized for ultimate performance with the low-global warming potential refrigerant R1233zd(E).

• Publication date : 2019/01/31

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

IIR member news: Star Refrigeration

After a year’s research project into low GWP cooling, Star Refrigeration proposes a new chiller using R1234ze.

• Publication date : 2014/02/03

The Mostra Convegno exhibition

In March 2018 the IIR participated in one of the biggest exhibitions on refrigeration technologies, Mostra Convegno, which took place, as always, in Milan.

• Publication date : 2018/04/19

Minutes of IIR Commissions B1/B2 Business Meeting in Sydney

Piotr Domanski and Ben Adamson co-chaired a joint Commission business meeting (B1 &amp; B2) in Sydney during the 9th IIR Gustav Lorentzen Conference in April 2010. Following discussion during the meeting, a survey was sent to B1 commission members...

• Publication date : 2010/06/07

FRISBEE Project

The IIR is involved in a 4-year project within the context of the EU 7th Framework Programme. The objective of the FRISBEE (Food Refrigeration Innovations for Safety, consumers' Benefit, Environmental impact and Energy optimisation along the cold...

• Publication date : 2010/07/26

Conference update: Dinan

Le Pôle Cristal organise un colloque scientifique sur le thème : « Froid industriel et commercial. Bâtiment économe en énergie », les 7 et 8 octobre 2010, à Dinan (France). Une table ronde sur « Les enjeux du froid dans l'industrie...

• Publication date : 2010/09/27

PhD student recruitment

PhD Studentship for 36 months for a subject concerning Magnetic Refrigeration at Room Temperature (Machines, Theory, Modelling and Experiments): We are looking to recruit a PhD student in the area of magnetic refrigeration (thermal and fluid...

• Publication date : 2010/09/30

Pôle Cristal Symposium

Pôle Cristal Symposium will take place in Dinan, France, on October 7-8, 2010. More

• Publication date : 2010/10/01

12th Cryogenics 2012

The preliminary announcement of the 12th IIR Conference Cryogenics 2012, which will be held in Dresden, Germany, on September...

• Publication date : 2010/11/02

News from the IIR WP on Mitigation of Emissions

Consult here the minutes of the first meeting of the IIR Working Party on Mitigation of Direct Emissions of Greenhouse Gases in Refrigeration chaired by Per Lundqvist.

• Publication date : 2010/12/02

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

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

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

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 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)