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IIR document

Propylene refrigerant for commercial applications.
- Author(s) : SEDLIAK J., MIND'AS M.
- Publication date: 2021/01/13
- Languages : English
- Keywords : Commercial application, Propylene, Hydrocarbon, Hermetic compressor, Reciprocating compressor, Performance, Cooling capacity
- Source: 10^th IIR Conference on Compressors and Refrigerants.
- Formats : PDF
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IIR document

New flow regimes for propylene-glycol-based ice slurry in pipes.
- Author(s) : BORDET A., PONCET S., POIRIER M., et al.
- Publication date: 2018/05/21
- Languages : English
- Keywords : Pipe, Ice slurry, Measurement, Propylene glycol, Expérimentation, Flow
- Source: 12^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Orford, Canada, May 21-23, 2018.
- Formats : PDF
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IIR document

Rheology of ethylene- and propylene-glycol ice slurries: Experiments and ANN model.
- Author(s) : TRABELSI S., HAFID M., PONCET S., et al.
- Publication date: 2017/10
- Languages : English
- Keywords : Ice slurry, Ethylene glycol, Rheology, Artificial neural network, Propylene glycol, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
- Formats : PDF
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IIR document

PCM slurry using ammonium alum and propylene glycol for heat transportation.
- Author(s) : OTSUBO T., HIDEMA R., SUZUKI H.
- Publication date: 2022/09
- Languages : English
- Keywords : PCM, Propylene glycol, Heat transfer, Latent heat, Waste heat, Melting, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 141
- Formats : PDF
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IIR document

Propylene and DME solubility in PAG oil: Experimental investigations and simplified modeling.
- Author(s) : CARAMASCHI M., NOTTURNO J., VACCARO G., MEESENBURG W., JENSEN J., ELMEGAARD B., TREMEAC B., TOBALY P.
- Publication date: 2024/09
- Languages : English
- Keywords : Solubility, Refrigerant charge, Expérimentation, Modelling, Propylene, DME, Polyalkylene glycol, Propane, R1270, Re170
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 165
- Formats : PDF
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IIR document

Theoretical and experimental assessment of propane and propylene as substitutes for traditional HFC refrigerants R410A and R404A.
- Author(s) : LONGO G. A.
- Publication date: 2024/08
- Languages : English
- Keywords : R290, Propylene, Propane, R1270, R410A, R404A, Heat transfer, Comparison
- Source: 16^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
- Formats : PDF
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A numerical investigation of a diffusion-absorption refrigeration cycle operating with the binary propylene-octane.
- Author(s) : SOLI N.
- Publication date: 2016/03/24
- Languages : English
- Keywords : Propylene, Helium, Absorption system, Diffusion system, Simulation, Performance, Mixture, Hydrocarbon
- Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
- Formats : PDF
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IIR document

Experimental investigations and modeling of Propylene and DME solubility in PAG oil.
- Author(s) : CARAMASCHI M., NOTTURNO J., VACCARO G., TALLURI L., MEESENBURG W., JENSEN J., ELMEGAARD B., TOBALY P.
- Publication date: 2023/08/21
- Languages : English
- Keywords : Propylene, R1270, Re170, Polyalkylene glycol, Solubility, Propane, R290, Expérimentation, Modelling, Miscibility, Calculation, Lubricant, Correlation
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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IIR document

Experimental study on the influence of trifluoroiodomethane on the flammability of 1,1-difluoroethane, isobutane and propylene.
- Author(s) : ZHONG Q., HUANG Y., LI H., ZHAO H.
- Publication date: 2024/04
- Languages : English
- Keywords : Expérimentation, Hydrocarbon, Flammability, R600a, R1270, R152a, R13I1, Isobutane, Propylene, Low GWP, Calculation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 160
- Formats : PDF
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IIR document

Vapor-liquid equilibrium measurement for carbon dioxide (CO2)+propylene (R1270) binary mixture at temperatures from subcritical to supercritical.
- Author(s) : WU Z., SUN R., SHI L., HU P., TIAN H., WANG X., SHU G.
- Publication date: 2024/02
- Languages : English
- Keywords : CO2, R744, R1270, Propylene, Modelling, Equation of state, Expérimentation, Binary mixture, Calculation, Thermodynamic property
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 158
- Formats : PDF
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Experimental investigation of thermophysical properties of propylene glycol based secondary fluids for ground source heat pumps and indirect refrigeration systems.
- Author(s) : IGNATOWICZ M., PALM B.
- Publication date: 2024/07
- Languages : English
- Keywords : Expérimentation, Thermal property, Physical property, Thermodynamic property, Propylene glycol, Ground-source system, Heat pump, Secondary refrigerant, Thermal conductivity, Viscosity, Indirect system
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 163
- Formats : PDF
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IIR document

Influence of Al2O3 nanoparticle additives on the thermophysical properties of aqueous solution of propylene glycol and on the heat transfer coefficient in forced convection flow in a tube.
- Author(s) : ZHELEZNY V., CHEN G., KHLIYEVA O., et al.
- Publication date: 2017/04/23
- Languages : English
- Keywords : Tube, Heat transfer, Alumina, Propylene glycol, Thermodynamic property, Nanofluid, Expérimentation, Laminar flow, Secondary refrigerant
- Source: 5^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
- Formats : PDF
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IIR document

Energetic analysis of CO2/propane and CO2/propylene cascade refrigeration system.
- Author(s) : KAIROUANI L., JEMNI N., NEHDI E.
- Publication date: 2015/04/16
- Languages : English
- Keywords : Propylene, R744, Propane, Cascade system, Energy efficiency, Transcritical cycle, CO2
- Source: 6^thConference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 16-18, 2015.
- Formats : PDF
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IIR document

Optimizing the thermal effectiveness of an insulation wrap with internal folded polypropylene film for the transportation of frozen food.
- Author(s) : KASPERSKI J., GRABOWSKA B.
- Publication date: 2016/07
- Languages : English
- Keywords : Thermal property, Propylene, Food, Refrigerated transport, Heat transfer, Frozen food, Performance, Optimization, Insulation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 67
- Formats : PDF
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IIR document

Experimental investigation of propylene during flow condensation in structured tubes.
- Author(s) : TSITSILOUDIS C., LUKE A.
- Publication date: 2023/08/21
- Languages : English
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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CO2 applications: First commercial CO2 system in Latin America

Last April Verdemar supermarket chain inaugurated its fifth store in the suburb of Jardim Canada, Nova Lima -Minas Gerais, Brazil. It is the first Latin American supermarket that uses carbon dioxide as a refrigerant. Its Skyrack Breeze, developed...
- Publication date : 2011/02/07
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A new non-flammable mixture to boost the performance of CO2 systems

In a recent IJR article, researchers propose combining R744 with Dimethyl-ether (DME) to boost system performance while ensuring safety and low environmental impact, in a recent IJR...
- Publication date : 2024/02/26
- Subjects: Technology
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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
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Briefs: Largest distribution centre in Africa

The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...
- Publication date : 2008/02/12
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Expanding market for hydrocarbon compressors

Several compressor makers are introducing new models operating with hydrocarbon refrigerants. For example ComStar International Inc., will offer compressors with the newly approved R-441A (HCR 188C), patented blend of ethane, propane, butane and...
- Publication date : 2011/06/15
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Refrigerated delivery vehicles: device facilitates door closing

In order to avoid unwanted temperature rises due to awkward door closing, an EPDM valve has been designed by the German company Maagtechnic.
- Publication date : 2011/10/03
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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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UK: ammonia system cuts energy use in brewery

A Yorkshire Heineken brewery has implemented a new ammonia refrigeration system, designed by J&E Hall to operate with the existing monopropylene glycol secondary loop. The new plant has reduced the electricity bill by a third, generated...
- Publication date : 2011/08/17
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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
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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 : English, French
- Themes : Hydrocarbons, Containment, refrigerant charge reduction
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