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Recommended by the IIR / IIR document

Zeotropic mixtures in low temperature Rankine cycles.
- Author(s) : SHAHROOZ M., LUNDQVIST P., NEKSÅ P.
- Publication date: 2020/12/07
- Languages : English
- Keywords : Rankine, Waste heat, Recovery, Mixture, Zeotropic mixture, Binary mixture, Natural refrigerant, Optimization, Performance, Low temperature
- Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
- Formats : PDF
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Zeotropic mixture ejector: Modeling approach, validation, and assessment based on composition ratio.
- Author(s) : LI S., WANG L., TAN Y., LI X., ZHANG K.
- Publication date: 2023/12
- Languages : English
- Keywords : Zeotropic mixture, Ejector, CFD, R32, R245fa, Mixture, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - Vol. 156
- Formats : PDF
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Performance analysis of the ejector-expansion refrigeration cycle using zeotropic mixtures.
- Author(s) : ZHAO L., YANG X., DENG S., et al.
- Publication date: 2015/09
- Languages : English
- Keywords : Refrigerating system, Performance, Zeotropic mixture, Ejector, Expansion
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
- Formats : PDF
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Boiling heat transfer of new zeotropic mixtures.
- Author(s) : BERTO A., GUZZARDI C., AZZOLIN M., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Heat transfer coefficient, Channel, Low GWP, R455A, R452B, Zeotropic mixture, Expérimentation, Heat exchanger, Flow boiling
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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Condensation of ternary low GWP zeotropic mixtures inside channels.
- Author(s) : AZZOLIN M., BERTO A., BORTOLIN S., et al.
- Publication date: 2019/07
- Languages : English
- Keywords : Expérimentation, Condensation, R1234yf, Heat transfer coefficient, Minichannel, Tube, R455A, R452B, R32, Zeotropic mixture
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 103
- Formats : PDF
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Thermal and economic performance analysis of zeotropic mixtures for Organic Rankine Cycles.
- Author(s) : WU Y., ZHU Y., YU L.
- Publication date: 2016/03/05
- Languages : English
- Keywords : Rc318, Rankine, R245fa, R227ca, Butane, Performance, Zeotropic mixture, Glide, Refrigerant
- Source: Applied Thermal Engineering - vol. 96
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Current Research Trends in the Process of Condensation of Cooling Zeotropic Mixtures in Compact Condensers.
- Author(s) : KRUZEL M., BOHDAL T., DUTKOWSKI K., KUCZYNSKI W., CHLISZCZ K.
- Publication date: 2022/03
- Languages : English
- Keywords : Zeotropic mixture, Condensation, Condenser, Glide, Thermodynamic property, Review
- Source: Energies - vol. 15 - n. 6
- Formats : PDF
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IIR document

Thermodynamic analysis of zeotropic mixtures for ejector refrigeration cycle.
- Author(s) : JAKONCZUK P., SMIERCIEW K., GAGAN J., BUTRYMOWICZ D.
- Publication date: 2021/01/13
- Languages : English
- Keywords : Zeotropic mixture, Low GWP, Ejector system, R1234yf, R1234ze(E), R1234ze(Z), HFO, Modelling, COP, Energy efficiency, Cogeneration
- Source: 10^th IIR Conference on Compressors and Refrigerants.
- Formats : PDF
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IIR document

Performance analysis of heat pumps with zeotropic mixtures at different load conditions.
- Author(s) : SOGAARD KRISTENSEN A., KRUSE SORENSEN E., MADSEN C., KRISTOFERSSON J., FOROOGHI P.
- Publication date: 2023/01
- Languages : English
- Keywords : Thermodynamic cycle, COP, Temperature, Zeotropic mixture, Heat pump, Natural refrigerant, Binary mixture, Modelling, Optimization, Simulation, Performance, District heating
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 145
- Formats : PDF
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Convective condensation of R600a, R290, R1270 and their zeotropic binary mixtures in horizontal tubes.
- Author(s) : MOREIRA T. A., AYUB Z. H., RIBATSKI G.
- Publication date: 2021/10
- Languages : English
- Keywords : Condensation, Expérimentation, Heat transfer coefficient, Hydrocarbon, Zeotropic mixture, Binary mixture, R600a, R290, R1270, Isobutane, Propane, Propylene
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 130
- Formats : PDF
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IIR document

Comparison of zeotropic working fluid mixtures in different heat pump cycles.
- Author(s) : ZÜHLSDORF B., JENSEN J. K., REINHOLDT L. O., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Thermodynamics, Comparison, Ammonia-water, Absorption system, Compression system, Heat pump, Hybrid system, Modelling, Zeotropic mixture, COP
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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Theoretical investigation on the performance of a modified refrigeration cycle using binary zeotropic hydrocarbon mixture R170/R290.
- Author(s) : YAN G., HE C., YU J.
- Publication date: 2018/10
- Languages : English
- Keywords : Low temperature, R290, R170, Performance, Modelling, Zeotropic mixture, Binary mixture, Cycle, Freezer
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 94
- Formats : PDF
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Evaluation of zeotropic mixtures as refrigerants in a dedicated subcooling system of a CO2 refrigeration plant.
- Author(s) : TOFFOLETTI G., NEBOT-ANDRÉS L., MARTINEZ-ANGELES M., CORTELLA G., LLOPIS R.
- Publication date: 2022/04
- Languages : English
- Keywords : CO2, R744, Zeotropic mixture, Subcooling, Transcritical cycle, R600, R152, Expérimentation
- Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
- Formats : PDF
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IIR document

Experimental investigation of a heat pump tumble dryer with a zeotropic refrigerant mixture.
- Author(s) : COP M., BARTA R. B., THOMAS C., HESSE U.
- Publication date: 2024/02
- Languages : English
- Keywords : Heat pump, Dryer, Zeotropic mixture, Expérimentation, R290, Propane, Prototype, Household application, COP, Thermodynamic cycle
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 158
- Formats : PDF
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The thermodynamic behaviour of low-GWP zeotropic mixtures on water-source heat pump equipment.
- Author(s) : SALEEM S., BRADSHAW C. R.
- Publication date: 2021/05
- Languages : English
- Keywords : Heat pump, Water-source system, Low GWP, Zeotropic mixture, HFC, HFO, Mixture, R452B, R454A, Simulation, Drop-in, Thermodynamic property
- Source: 2021 Purdue Conferences. 18^thInternational Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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See all results in the Fridoc database

Heat pumps: an approach to select the highest performing refrigerant mixture

One of the most downloaded IJR articles in 2019 concludes that zeotropic mixtures have the potential to significantly improve both the thermodynamic and economic performance of heat pumps in suitable applications.
- Publication date : 2019/04/30
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Brief: R-723

The new natural refrigerant blend R-723 presents the same advantages as ammonia (i.e. high specific evaporation heat and insignifigant GWP) and offers further benefits: it can be used in copper systems and offers full mineral oil solubility. R-723...
- Publication date : 2005/02/11
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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
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HFC134a/HFO1234yf mixture: lower GWP without flammability

A recent study* published in the International Journal of Refrigeration (IJR) by Inha University, South Korea, compared the performance of HFC134a, HFO1234yf and HFO1234yf/HFC134a mixtures at three compositions of 5%, 10% and 15% HFC134a
- Publication date : 2013/11/04
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Reducing the environmental impact of ultra-low temperature refrigeration systems

Ultra-low temperature (ULT) refrigeration systems often use very high-GWP HFCs. Yet, ULT systems are excluded from the scope of the regulations aimed at phasing-down HFCs. An IJR paper reviews the most promising...
- Publication date : 2020/04/05
- Subjects: Environment, HFCs alternatives
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Alternatives to replace R404A for refrigerated transport

With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...
- Publication date : 2020/09/04
- Subjects: HFCs alternatives
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ICR 2019: an overview of current refrigeration research (part I)

Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.
- Publication date : 2019/09/30
- Subjects: HFCs alternatives
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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
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