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IIR document

A new equation of state for 1,1,1,3,3-pentafluoropropane (R-245fa).

• Author(s) : AKASAKA R., ZHOU Y., LEMMON E. W.
• Publication date: 2015/08/16
• Languages : English
• Keywords : R245fa, Comparison, Prediction, Expérimentation, Equation of state
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Research on the heat transfer experiment of R245fa.

[In Chinese. / En chinois.]

• Author(s) : LUO C., GONG Y., MA W. B.
• Publication date: 2014/06
• Languages : Chinese
• Keywords : R245fa, Heat transfer, Heat recovery, Expérimentation, Evaporator, Condenser, Waste heat
• Source: Journal of Refrigeration - vol. 35 - n. 157
• Formats : PDF

IIR document

Dynamic modeling of an R245fa ejector based refrigeration system.

• Author(s) : NARIMANI E., SORIN M., MICHEAU P., et al.
• Publication date: 2019/11
• Languages : English
• Keywords : R245fa, Ejector system, Modelling, Expansion valve, Refrigerant, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 107
• Formats : PDF

Comparing R1233zd and R245fa for low temperature ORC applications.

• Author(s) : DATLA B. V., BRASZ J. J.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Turbine, Rankine, R245fa, Comparison, Efficiency, Cycle, Refrigerant
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Performance analysis of a supersonic ejector cycle working with R245fa.

• Author(s) : MAZZELLI F., MILAZZO A.
• Publication date: 2015/01
• Languages : English
• Keywords : R245fa, Industrial application, Heat, CFD, Sound velocity, Performance, Ejector
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 49
• Formats : PDF

Experimental investigation on R245fa throttling devices under high temperature.

• Author(s) : HUANG M., LIANG X., WU Y., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : R245fa, Electronic expansion valve, Correlation, Capillary tube, High temperature, Expérimentation, Flow rate
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Empirical correlation development of R245fa flow in electronic expansion valves.

• Author(s) : CHEN T., BAE J. K., KWON O. K.
• Publication date: 2018/04
• Languages : English
• Keywords : R245fa, Electronic expansion valve, Correlation, Heat pump, High temperature, Expérimentation, Flow
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 88
• Formats : PDF

IIR document

Thermodynamic analysis and impact of thermal masses on adsorption cycles using MaxsorbIII/R245fa and SAC-2/R245fa pairs.

• Author(s) : SEO S., KAWAKAMI H., MIKSIK F., TAKATA N., THU K., MIYAZAKI T.
• Publication date: 2021/03
• Languages : English
• Keywords : Adsorption system, Adsorbent, Adsorber, HFC, R245fa, Expérimentation, Modelling, Heat transformer, Heat pump, Thermodynamic property, Waste heat, Heat recovery
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 123
• Formats : PDF

Dynamic simulation on thermal performance of gas–liquid separated solar collector system with R245fa.

• Author(s) : LIANG R., ZHANG J., MA L., et al.
• Publication date: 2014/07
• Languages : English
• Keywords : Solar collector, R245fa, Liquid-vapour, Simulation, Separation, Performance
• Source: Applied Thermal Engineering - vol. 68 - n. 1-2

IIR document

Evaporation heat transfer and pressure drop of R245fa inside a horizontal smooth tube.

• Author(s) : WATANABE K., JIGE D., INOUE N.
• Publication date: 2015/08/16
• Languages : English
• Keywords : R245fa, Horizontal tube, Heat transfer, Expérimentation, Evaporation, Pressure drop
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Experimental testing and modeling of 5 kW oil-free open drive scroll expander using R245fa.

• Author(s) : ACCORSI F. A., JAMES N. A., GROLL E. A., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : R245fa, Efficiency, Scroll, Modelling, Expander, Oil, Expérimentation
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

The benefit of droplet injection on the performance of an ejector refrigeration cycle working with R245fa.

• Author(s) : BENCHARIF M., NESREDDINE H., CROQUER PEREZ S., PONCET S., ZID S.
• Publication date: 2020/05
• Languages : English
• Keywords : Ejector system, R245fa, HFC, Expérimentation, Modelling, Performance, Droplet, Injection
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 113
• Formats : PDF

IIR document

Droplet injection at the diffuser outlet in an ejector-based refrigeration cycle working with R245fa.

• Author(s) : BENCHARIF M., PONCET S., NESREDDINE H., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Thermodynamics, R245fa, Diffuser, Modelling, Injection, Droplet, Expérimentation, Ejector, COP, Refrigerant
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Analysis of the mixture refrigerant R600/R245fa using in high temperature heat pump.

• Author(s) : YU X., XU C.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Mixture, High temperature, Heat pump, Industrial application, R600, R245fa, Thermodynamic cycle, COP, Expérimentation
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

IIR document

A study of pool boiling heat transfer on horizontal tubes in R-245fa/oil mixture.

• Author(s) : CHIEN L. H., TSAI Y. L., CHANG C. H.
• Publication date: 2015/08/16
• Languages : English
• Keywords : R245fa, Pool boiling, Horizontal tube, Heat transfer, Mixture, Oil, Expérimentation, Concentration
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Refrigerated transport: R452A as a “drop-in” alternative to R404A

Two major transport refrigeration companies recently announced they will offer R452A as an alternative to R404A in their transport refrigeration units.

• Publication date : 2015/08/13
• Subjects: HFCs alternatives

R452A performance and environmental impact in refrigerated transport

A paper presented at the IIR ICCC conference in China provides a review of R452A properties, system performance and LCCP impact as an alternative refrigerant in refrigerated transport.

• Publication date : 2018/05/17

Member news: Carrier Transicold to offer R452A in the United States

Carrier Transicold proposes R452A as an alternative to R404A for refrigerated hauliers in the USA. 

• Publication date : 2021/01/27

IIR Rankine Conference 2020: Which alternative working fluids for ORC systems?

HFOs (hydrofluoroolefins), HCFOs (hydrochlorofluoroolefins) and hydrocarbons were the main alternatives to HFC245fa presented during the IIR Rankine Conference 2020.

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

Focus on the new refrigerant HCFO1224yd(z)

The Japanese chemicals manufacturer Asashi Glass Chemicals developed a new refrigerant as an alternative to R245fa.

• Publication date : 2017/11/06

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

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

Trends: compressors

- Global compressor sales JARN has published an extensive overview of compressor markets in 2009. On the whole, the compressor market has suffered from the decrease in the air-conditioning market (-2.9% compared with 2008). Sales of rotary...

• Publication date : 2010/05/27

US: HFO blowing agent approved by EPA

Honeywell recently announced that its new HFO-based Solstice Liquid Blowing Agent (LBA) had received final approval from EPA to be used in foam insulation in refrigerators and other applications in the US. Whirlpool Corporation will be the first...

• Publication date : 2012/11/27
• Subjects: Regulation

Purdue conferences highlights: development of high-temperature heat pumps

High-temperature heat pumps are currently subject to intense R&D work, as illustrated by several papers presented at Purdue last year. All Purdue papers can now be downloaded from the Fridoc database.

• Publication date : 2019/02/28

European seminar on CO2 at the University of Milan

Centro Studi Galileo, collective member of the IIR, will organize on Saturday November 27, 2004, together with the Centre of research for Environmental and Manufacturing Studies of the University of Milan, a European seminar on CO2, with the...

• Publication date : 2004/11/12

Eco-friendly cooling for Tokyo’s Haneda Airport

The new international terminal of Haneda Airport opened in October 2010. It uses a combination of geothermal energy, solar power and cogeneration systems to reduce energy consumption and is also the first airport to use sodium sulphur (NaS)...

• Publication date : 2011/06/01

Air conditioning has cut premature deaths on hot days in US by 80% since 1960

A new study by researchers from Carnegie Mellon University, University of California and the Massachusetts Institute of Technology has concluded that air conditioning played a key role in the reduction of the mortality risk associated with high...

• Publication date : 2013/06/17

Blueberries market in the European Union

Although fresh blueberry imports are on the rise and gaining market share, frozen blueberries still accounted for over 60% of total EU blueberry imports from the world with a value of USD 431.5 million.

• Publication date : 2016/04/22

Energy savings: Case study on a cool way to cut energy consumption in the UK food industry

A collaborative research and development project led by a mechanical engineering team from Brunel University, UK, found that supermarkets and food processing plants could cut their energy costs by over 30% and reduce greenhouse gas emissions by...

• Publication date : 2005/07/19

Focus on Commission B1 : Leading the way in thermodynamics and transfer processes

The objectives of Commission B1 on Thermodynamics and Transfer Processes are to provide academic and industrial information and data, and to propose any solutions on thermodynamics and transfer processes.

• Publication date : 2016/04/20

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

Briefs: Prof L Rey

Prof. Louis Rey, former President of Section C, Biology and food technology, then Vice-President of the IIR's Science and Technology Council, and President of a sub-commission devoted to the biological and medical applications of...

• Publication date : 2011/02/07

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 : English, French
• Themes : HFCs

Cold storage conditions for fruits and vegetables

Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

• Last update : 2023/01/16
• Langues : English, French
• Themes : Fruit, Vegetables