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IIR document

Measurements of pρTx and specific heat capacity cv for (R290 + R1243zf) binary mixtures at temperatures from (292 to 350) K and pressures up to 11 MPa.

• Author(s) : SHENG B., DONG X., ZHAO Y., LI Z., YAN H., ZHONG Q., WANG J., GONG M., SHEN J.
• Publication date: 2020/04
• Languages :
• Keywords : R290, Propane, R1234zf, Thermodynamic property, Temperature, Pressure, Heat capacity, Expérimentation, Mixture
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 112
• Formats : PDF

IIR document

Capillary constant and surface tension of propane (R-290) with helium dissolved in it.

• Author(s) : BAIDAKOV V. G., KHOTIENKOVA
• Publication date: 2019/02
• Languages : English
• Keywords : R704, Helium, Capillarity, Surface tension, R290, Propane, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
• Formats : PDF

Développement d'une thermofrigopompe au propane.

Developing a propane double-effect heat pump.

• Author(s) : BYRNE P., BAZANTAY F., GHOUBALI R., et al.
• Publication date: 2014/03
• Languages : French
• Keywords : Double effect heat pump, Prototype, Propane, Performance, Expérimentation
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1141

Application of natural refrigerant propane and propane/isobutane in large capacity chest freezer.

• Author(s) : HE M. G., SONG X. Z., LIU H., et al.
• Publication date: 2014/09
• Languages : English
• Keywords : R600a, Isobutane, R290, Propane, Mixture, Testing, COP, Refrigerant, Freezer, Chest
• Source: Applied Thermal Engineering - vol. 70 - n. 1

IIR document

Superheating and spontaneous boiling-up of liquid propane (R-290) saturated with helium.

• Author(s) : BAIDAKOV V. G., KAVERIN A. M., PANKOV A. S.
• Publication date: 2019/02
• Languages : English
• Keywords : Helium, R290, Superheat, Propane, Nucleation, Expérimentation, Boiling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
• Formats : PDF

Recommended by the IIR / IIR document

CFD analysis of propane dispersion in an indoor environment.

• Author(s) : RIGHETTI G., CALATI M., LONGO G. A., MANCIN S., ZILIO C.
• Publication date: 2021/09/01
• Languages : English
• Keywords : Propane, R290, Modelling, CFD, Simulation, Leakage
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

IIR document

Experimental investigations of propane minichannel condenser.

• Author(s) : GAGAN J., BUTRYMOWICZ D., DUDAR A., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat transfer, Propane, Expérimentation, Condenser, Heat exchanger, Pressure drop
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

A thermodynamic property model for R1234yf and propane mixtures.

• Author(s) : AKASAKA R.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Thermodynamic property, R1234yf, Propane, Mixture, Modelling, R290
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Effects of trifluoroiodomethane and pentafluoroethane on combustion characteristics of flammable refrigerant propane.

• Author(s) : ZHONG L., ZHANG W., LI X., LI T.
• Publication date: 2023/04
• Languages : English
• Keywords : Expérimentation, R290, Propane, Flammability, Inhibition
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 148
• Formats : PDF

Étude expérimentale d'un chauffe-eau thermodynamique au propane.

Experimental study of a propane thermodynamic water heater.

• Author(s) : BYRNE P., BAZANTAY F., GHOUBALI R.
• Publication date: 2018/03
• Languages : French
• Keywords : Water heater, R290, Thermodynamic property, Propane, Heat pump, Expérimentation, COP, Refrigerant charge
• Source: Revue générale du Froid & du Conditionnement d'air - n.1168

IIR document

Water to water heat pump minimum charge of propane.

• Author(s) : ANDERSSON K., GRANRYD E., PALM B.
• Publication date: 2018/06/18
• Languages : English
• Keywords : Single-family house, R290, Propane, Heat pump, Testing, Refrigerant charge, Water
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

IIR document

Development of a propane double duct room air conditioner.

• Author(s) : RIGHETTI G., CAMPIDELLI M., BOTTARO M., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Thermodynamics, R410A, Air conditioner, R290, Substitute, Subcooling, Simulation, Propane, Refrigerant charge
• 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

A propane hydronic heat pump with energy storage.

• Author(s) : SHEN B., LI Z., WAN H., GLUESENKAMP K., FRICKE B.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Heat pump, Propane, Low GWP, Energy storage, R290, COP, Prototype, Air conditioning, Heating
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

IIR document

Experimental study on the influence of trifluoroiodomethane on the flammability of difluoromethane and propane.

• Author(s) : ZHONG Q., HUANG Y., ZHAO H., WANG X., ZHANG Y., SHEN J.
• Publication date: 2022/03
• Languages : English
• Keywords : R32, R290, Propane, Flammability, Expérimentation, Low GWP, R13I1
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 135
• Formats : PDF

IIR document

Experimental investigations of propane minichannel condenser and evaporator.

• Author(s) : GAGAN J., BUTRYMOWICZ D., DUDAR A., et al.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Heat transfer coefficient, Minichannel, R290, Propane, Expérimentation, Evaporator, Condenser, Heat exchanger
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

Propane air conditioners: improving leakage safety

The latest research and developments in leakage safety of R290 air conditioners are presented in several articles recently published in the IJR. 

• Publication date : 2023/02/20
• Subjects: Technology, HFCs alternatives

Propane, a promising alternative refrigerant in split systems

A study published over the summer shows that the use of propane in all split air conditioning systems could prevent a global temperature increase of 0.09°C by the end of the century. 

• Publication date : 2022/09/28
• Subjects: HFCs alternatives

For IIR members only

Wondrwall introduces AI-controlled propane heat pump

Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.

• Publication date : 2024/11/20

US: first propane cold storage system to be installed?

Newark Refrigerated Warehouse plans to install a cold-storage refrigeration using propane in the USA.

• Publication date : 2017/03/22

Flammability hazards of air conditioners using R290 (propane)

R290 (propane) attracts a lot of interest as a replacement refrigerant of high-GWP HFCs for household air conditioners, due to its negligible GWP, favourable system performance and relatively low cost. However, it raises some questions due to its...

• Publication date : 2014/01/02

Record: heat pump less than 10 g of propane per kW

German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of refrigerant. 

• Publication date : 2022/10/27

A propane heat pump with compact bionic heat exchangers

In Germany, Fraunhofer has developed a propane heat pump using compact finned heat exchangers with distribution boxes whose structure is inspired by nature.

• Publication date : 2018/09/27

First ever propane wine-producing refrigerating facility in France

A France-based (Mâcon) cooperative winery, whose R22 refrigerating equipment had to be replaced, chose to resort to R290 (propane) refrigerant, for the first time ever in France.

• Publication date : 2016/08/09

Germany: a new heat pump system using propane for supermarkets

The discount retailer Aldi and the refrigeration company Viessmann recently presented a joint energy program consisting in a sustainable energy system employing propane heat pumps.

• Publication date : 2017/11/09

US : increasing use of CO2 and propane in commercial refrigeration

As a result of regulations aimed at limiting the use of HFCs, the use of CO2 and propane as refrigerants in supermarkets in the United States is experiencing a steady growth. 

• Publication date : 2022/03/29

Cold-storage facility converted to propane in Colombia.

Asocoflores has replaced an R22-based system with R290 in a cold storage facility for flowers.

• Publication date : 2017/03/22

First propane split air conditioners in India: field results

With a fault rate under 0.5%, the general safety and reliability levels of the systems remain quite high and risk assessments showed negligible risk.

• Publication date : 2014/12/02

GL2012 highlights: low-charge propane air-conditioning system using small section copper tubes

Propane air conditioner with smaller copper tubes and a smaller (and thus safer) refrigerant charge.

• Publication date : 2012/09/28

BESA releases new guidelines for safe use of R290 propane in heating and cooling systems

BESA's latest technical guidance outlines safety practices and technical considerations for using R290 (propane) in RACHP systems. 

• Publication date : 2024/08/01
• Subjects: HFCs alternatives

Instant milk-cooling system utilising propane and either ice slurry or traditional ice bank

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). Two novel milk-cooling concepts have been designed and installed at two Danish farms. These systems have a respective capacity of 14 400 and 16 000 litres of...

• Publication date : 2004/11/24

ATMOsphere MAC Summit 2024 x TU Berlin: natural refrigerants for mobile air conditioning and heat pumps

On 12 and 13 September 2024, the ATMOsphere MAC Summit 2024 was held in Berlin, co-organised with the Technical University of Berlin (TU Berlin).

• Publication date : 2024/10/03

Now available: IIR-Gustav Lorentzen Conference Papers 2022

Download one or all of the 170 technical papers from the 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants!

• Publication date : 2023/05/02
• Subjects: General information

Now available: IIR-Gustav Lorentzen Conference Papers

Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!

• Publication date : 2021/01/19
• Subjects: Technology, Environment

IIR publishes a new Technical Brief: Domestic heat pumps using hydrocarbons - Current status and market overview in Europe

At a time when the energy transition is at the top of the global agenda, the IIR is publishing a new Technical Brief on domestic hydrocarbon heat pumps. This strategic document...

• Publication date : 2024/11/21
• Subjects: Figures, economy

Newsletter INDEE+ | September 2023

The latest news on the INDEE+ project.

• Publication date : 2023/09/22

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

Thermophysical properties of hydrocarbon refrigerants

Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Hydrocarbons, Blends

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams