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IIR document

Measurement of sound speeds in the liquid phase of hydrochlorofluoroolefins (HCFO).

• Author(s) : NISHIYAMA T., HONDA T., GAO L., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Velocity (fluids, gases), Measurement, Liquid, R32, Sound, HCFO, Expérimentation, Refrigerant
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Recommended by the IIR / IIR document

Isobaric heat capacity prediction for HC, HFC, HFO and HCFO refrigerants in liquid phase.

• Author(s) : LIU Y., ZHAO X., WANG X., ZHENG X.
• Publication date: 2020/10
• Languages : English
• Keywords : Hydrocarbon, HFC, HFO, HCFO, Thermodynamic property, Heat capacity, Modelling, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
• Formats : PDF

IIR document

Surface tension measurement for low GWP refrigerants HFO-1123 and HCFO-1224yd(z).

• Author(s) : KONDOU C., HIGASHI Y.
• Publication date: 2018/09
• Languages : English
• Keywords : Measurement, Low GWP, Liquid-vapour, Density, Surface tension, Temperature, R1224yd(Z), , HFO, HCFO
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Surface tension measurement for low GWP refrigerants HFO-1123 and HCFO-1224yd(z).

• Author(s) : KONDOU C., HIGASHI Y.
• Publication date: 2018/09
• Languages : English
• Keywords : Measurement, Low GWP, Liquid-vapour, Density, Surface tension, Temperature, R1224yd(Z), , HFO, HCFO
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Chemical stability of HFO and HCFO olefin refrigerants and their potential mechanistic breakdown pathways.

• Author(s) : LEEHEY M., KUJAK S.
• Publication date: 2023/08/21
• Languages : English
• Keywords : HFO, HCFO, Chemical reaction, Low GWP, R1336mzz(E), R1233zd(E), R1234ze(E), R1234yf, Thermodynamic property
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Measurements of transport properties of low GWP refrigerant HCFO-1224yd(Z) (CIS-1-CHLORO-2,3,3,3-tetrafluoropropene; CF3CF=CHCI).

• Author(s) : MIYARA A., ALAM J., KARIYA K.
• Publication date: 2018/09
• Languages : English
• Keywords : Viscosity, Thermal conductivity, Capillary tube, Low GWP, Liquid-vapour, R1224yd(Z), HCFO, Expérimentation, Refrigerant
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Semi-empirical evaluation of HCFO-1224yd(z) as a replacement for HFC-245fa in high temperature heat pumps.

• Author(s) : MATEU-ROYO C., MOTA BABILONI A., MOLÉS F., AMAT-ALBUIXECH M., NAVARRO-ESBRÍ J.
• Publication date: 2020/07/31
• Languages : English
• Keywords : HCFO, R1224yd(Z), R245fa, GWP, Heat pump, High temperature, Substitute, Expérimentation
• Source: IIR Rankine Conference 2020.
• Formats : PDF

IIR document

High temperature heat pump using HFO and HCFO refrigerants – system design and experimental results.

• Author(s) : ARPAGAUS C., KUSTER R., PRINZING M., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Industrial application, Measurement, R1336mzz(Z), R1233zd(E), Heat pump, HFO, HCFO, High temperature, Testing, COP
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Dipole moment and heat capacity in the ideal gas state derived from relative permittivity and speed of sound measurements for HFO-1123 and HCFO-1224yd(Z).

• Author(s) : KANO Y., KAYUKAWA Y., FUJITA Y.
• Publication date: 2020/10
• Languages : English
• Keywords : HFO, Thermodynamic property, Heat capacity, Sound velocity, Expérimentation, Modelling, Equation of state, HCFO
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
• Formats : PDF

IIR document

Overview on HCFO-R1233ZD(E) use for high temperature heat pump application.

• Author(s) : SHAH N. N., COTTER D., HEWITT N. J.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Test rig, R245fa, Industrial application, Comparison, R1233zd(E), Thermodynamic property, Heat pump, Oil, HCFO, High temperature, COP
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Experimental comparison of HCFO R1233zd(E) and R1224yd(Z) in a high temperature heat pump up to 150 °C.

• Author(s) : ARPAGAUS C., BERTSCH S. S.
• Publication date: 2020/07/31
• Languages : English
• Keywords : COP, R1233zd(E), R1224yd(Z), Heat pump, Refrigerant, HCFO, Expérimentation, High temperature, Comparison, Substitute
• Source: IIR Rankine Conference 2020.
• Formats : PDF

Recommended by the IIR / IIR document

Semi-empirical and environmental assessment of the low GWP refrigerant HCFO-1224yd(Z) to replace HFC-245fa in high temperature heat pumps.

• Author(s) : MATEU-ROYO C., MOTA BABILONI A., NAVARRO-ESBRÍ J.
• Publication date: 2021/07
• Languages : English
• Keywords : HCFO, Industrial application, Expérimentation, R1224yd(Z), R245fa, COP, Low GWP, High temperature, Heat pump, Waste heat, Heat recovery, HFC
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 127
• Formats : PDF

IIR document

The melting points and enthalpy of melting of refrigerants including HFOs and HCFOs.

• Author(s) : WANG X., WANG K., ZHAO Y., DONG X., GONG M.
• Publication date: 2023/04/05
• Languages : English
• Keywords : HFO, Enthalpy, Thermal property, Expérimentation, Hydrocarbon, HCFO, Mixture, Melting
• Source: 3^rd IIR conference on HFO Refrigerants and low GWP Blends. Shanghai, China.
• Formats : PDF

IIR document

High temperature heat pumps – Theoretical study on low GWP HFO and HCFO refrigerants.

• Author(s) : ARPAGAUS C., PRINZING M., KUSTER R., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Industrial application, Low GWP, R1336mzz(Z), R1224yd(Z), Thermodynamic property, Heat pump, Modelling, HFO, HCFO, High temperature
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Dynamic viscosity of low GWP refrigerants in the liquid phase: An empirical equation and an artificial neural network.

• Author(s) : TOMASSETTI S., MUCIACCIA P. F., PIERANTOZZI M., DI NICOLA G.
• Publication date: 2024/08
• Languages : English
• Keywords : Viscosity, Low GWP, Artificial neural network, Modelling, HFO, HCFO
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 164
• Formats : PDF

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

Pakistan confiscates illegal HCFCs

The Pakistan government ordered the confiscation of illegally imported HCFCs, denying import quotas to seven companies this year.

• Publication date : 2014/05/28
• Subjects: Regulation

2015 HCFC consumption in Cuba

The government of Cuba reported a consumption of 13.17 Ozone Depletion Potential (ODP) tonnes of HCFC in 2015.

• Publication date : 2016/12/09

China announces HCFC shutdown

China has announced closure of five HCFC refrigeration production lines, nearly 16% of total production, by 2015.

• Publication date : 2014/11/11

HCFC phase-down in Brazil

A few figures from the Brazilian Ministry of Environment.

• Publication date : 2018/04/05
• Subjects: Regulation, Developing country

China announces HCFC shutdown

China has announced it will close five of its HCFC refrigeration production lines, nearly 16% of total production, by 2015.

• Publication date : 2014/10/10

China: a direct leap from HCFCs to natural refrigerants?

Released for public consultation in June 2015 by China’s Ministry of Environmental Protection, the First Catalogue of Recommended Substitutes for HCFCs lists 12 substitutes for HCFC refrigerants, foaming agents and detergents, ten of which are...

• Publication date : 2015/11/11

New HCFC phase-out guides by UNEP

UNEP has produced two guides to assist developing countries in their phase-out of HCFC.

• Publication date : 2015/04/23
• Subjects: Regulation

HCFC phase-down in Morocco

Under the Montreal Protocol, Morocco is reducing its consumption and imports of R22.

• Publication date : 2018/03/30
• Subjects: Developing country

HCFC consumption and production in developing countries

Recent data on the HCFC production and consumption of developing countries were submitted to the Committee of the Multilateral Fund for the Implementation of the Montreal Protocol.

• Publication date : 2018/03/27
• Subjects: Developing country

HCFC phase-out is moving forward

China launched in December 2011 the HCFC Phase-Out Management Plan (HPMP), a USD 270 million project for complete phase-out of use of HCFCs by January 2015.

• Publication date : 2012/07/26
• Subjects: Regulation

Alternatives to HCFCs/HFCs in warm developing countries

Öko-Recherche considers that “in developing countries, approx. 90% of HCFCs and high-GWP HFCs can be replaced by substances with low or moderate GWP.

• Publication date : 2015/02/20
• Subjects: HFCs alternatives

Focus on the consumption of HCFCs in developing countries

Overview of the HCFC consumption in 19 Article 5 countries under the Montreal Protocol (2013-2016).

• Publication date : 2017/11/21
• Subjects: Regulation, Developing country

China’s plans to accelerate HCFC phase out

Through the HCFC Phase-out Management Plan (HPMP), 45 000 metric tonnes of HCFCs are to be eliminated

• Publication date : 2012/04/22
• Subjects: Regulation

Recent trends in global emissions of HCFCs and HFCs

Global-scale atmospheric measurements were used by S.A. Montzka et al. to investigate the effectiveness of recent adjustments to production and consumption controls on HCFCs under the Montreal Protocol.

• Publication date : 2015/05/27
• Subjects: HFCs alternatives, Regulation

International events: HCFCs

A national conference on HCFCs took place in Algiers, Algeria, on March 18, 2008, organized by Mr Ahmed Chikouche, Delegate of Algeria to the IIR, in order to raise the awareness of decision-makers and to discuss HCFC replacement solutions in...

• Publication date : 2008/05/13

Submit your abstracts to the 3rd IIR Conference on HFO Refrigerants and Low GWP Blends

To be organised by the Chinese Association of Refrigeration (CAR), the call for abstracts for the 2023 IIR Conference on HFOs has now been launched. Submit...

• Publication date : 2022/04/25
• Subjects: Technology, HFCs alternatives, Environment

HFO 2023: Call for abstracts extended until September 30!

The call for abstracts for the 2023 IIR Conference on HFOs, to be hosted by the Chinese Association of Refrigeration (CAR), has been extended to September 30, 2022!  

• Publication date : 2022/09/08
• Subjects: Technology, HFCs alternatives, Environment

New IIR Informatory Note. Low-GWP Refrigerants: Status and Outlook

The latest IIR Informatory Note outlines the options available for low-GWP refrigerants and their respective performance. It provides a series of recommendations on refrigerant...

• Publication date : 2022/07/08
• Subjects: HFCs alternatives

Rankine 2020 conference highlights opportunities and challenges for the future

The IIR Rankine 2020 – Advances in Heating, Cooling and Power Generation conference was organised by the Institute of Refrigeration UK (IOR) as an ambitious 5-day online event running across July 27-31.  It...

• Publication date : 2020/08/19
• Subjects: Technology

The IIR participated in the South African Road Show

The Department of Environmental affairs of the Republic of South Africa (DEA), in collaboration with UNIDO, organised a Road Show in South Africa on June 11-22, 2018.

• Publication date : 2018/08/08
• Subjects: Regulation, Developing country, HFCs alternatives

IIR International Conference on the Application of HFO Refrigerants – early bird rate closing soon!

The early bird rate for the 1st IIR International Conference on the Application of HFO Refrigerants is scheduled to end in a few days. Book today to secure a place at this breakthrough conference !

• Publication date : 2018/06/28

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

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

New in the Encyclopedia: updated GWP values for HFCs

Find all the GWP values over 100 years and 20 years for hydrofluorocarbon (HFC) refrigerants.

• Publication date : 2023/09/22
• Subjects: Environment

Thermophysical properties of HFO refrigerants

Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Blends, HFO et HCFO

Thermophysical properties of HFC refrigerants

Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : HFCs, Blends, HFO et HCFO

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

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 : French, English
• Themes : HFCs