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IIR document

State of the art and kinetics of refrigerant hydrate formation.

• Author(s) : HASHEMI H., BABAEE S., MOHAMMADI A. H., et al.
• Publication date: 2019/02
• Languages : English
• Keywords : Hydrate, HFC, Expérimentation, Hydrate slurry, Refrigerant, Air conditioning, Clathrate
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
• Formats : PDF

IIR document

Study on the growth process of HCFC141b hydrate in isobaric system by a macroscopic kinetic model.

• Author(s) : KARAMODDIN M., VARAMINIAN F.
• Publication date: 2014/08
• Languages : English
• Keywords : Gas, R141b, Thermodynamic property, Microscopy, Hydrate, Growth
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 44
• Formats : PDF

IIR document

Systematic melting point adjustment for certain salt hydrates.

• Author(s) : MULLER A., BEELER S., RAVOTTI R., MÜLLER L., STAMATIOU A., MARANDA S., LEIGGENER J., WORLITSCHEK J.
• Publication date: 2021/09/01
• Languages : English
• Keywords : PCM, Hydrate, Melting, Enthalpy, Thermal property, Calorimeter, Lithium, Nitrate, Expérimentation
• Source: 13^rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
• Formats : PDF

IIR document

The CO2 hydrates produced in a compression cycle used for cool storage on different initial pressure.

• Author(s) : XIE Y. M., ZHOU X., XIE Z. X., et al.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Cooling, Storage, Nucleation, Pressure, Hydrate, Expérimentation, CO2
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

IIR document

Study on TBAB hydrate nucleating activity of electrode products due to DC voltage application.

• Author(s) : KUMANO H., GOTO H., TOYAMA Y., et al.
• Publication date: 2018/09
• Languages : English
• Keywords : Electric voltage, Bromide, Energy storage, PCM, Hydrate, Expérimentation, Thermal energy storage
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 93
• Formats : PDF

IIR document

Experimental investigation of coolant selection and energy efficiency analysis during gas hydrate-bearing sediment freeze-sampling.

• Author(s) : WANG Y., XU T., ZHANG P., JIA R., SUN Y., GUO W.
• Publication date: 2020/12
• Languages : English
• Keywords : Hydrate, Gas, Liquid, Energy efficiency, Sampling, Freezing, Heat transfer, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 120
• Formats : PDF

IIR document

Thermophysical property measurements of tetrabutylphosphonium acetate (TBPAce) ionic semiclathrate hydrate as thermal energy storage medium for general air conditioning systems.

• Author(s) : ARAI Y., YAMAUCHI Y., TOKUTOMI H., et al.
• Publication date: 2018/04
• Languages : English
• Keywords : Equilibrium, Measurement, Temperature, Acetate, Energy storage, Hydrate, Expérimentation, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 88
• Formats : PDF

IIR document

Influence of porous media on carbon dioxide hydrate formation and dissociation processes by calorimetry for secondary refrigeration applications.

• Author(s) : CLAIN P., BENMESBAH F. D., FANDINO O., OSSWALD V., FOURNAISON L., DICHARRY C., RUFFINE L., DELAHAYE A.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Cold storage, Hydrate, CO2, Expérimentation, Porous medium, Thermal energy storage, Differential thermal analysis, Silica gel, Calorimetry, Indirect system
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

CO2 hydrate slurry as a secondary refrigerant.

• Author(s) : CHOI J. W., JUNG C. W., KANG Y. T.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Training, Absorption, Nucleation, Pressure, Hydrate, Hydrate slurry, Refrigerant, Secondary refrigerant, CO2
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

IIR document

TBAB hydrate slurry based latent heat thermal storage system.

• Author(s) : ZHOU H., INFANTE FERREIRA C.
• Publication date: 2016/05/18
• Languages : English
• Keywords : PCM, Modelling, Hydrate, Hydrate slurry, Latent heat, Thermal energy storage
• Source: 11^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Karlsruhe, Germany, May 18-20, 2016.
• Formats : PDF

IIR document

Energy study of CO2 hydrate slurries formation in a tank reactor.

• Author(s) : OIGNET J., DELAHAYE A., DUFOUR T., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Training, Energy, Modelling, Hydrate, Hydrate slurry, Change of phase, CO2
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Recommended by the IIR / IIR document

Experimental investigation on thermal energy transportation by CO2 hydrate.

• Author(s) : PARK J., CHOI S., KANG Y. T.
• Publication date: 2020/12/07
• Languages : English
• Keywords : CO2, Hydrate slurry, Secondary refrigerant, Expérimentation, Heat transfer, Thermodynamic property
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

IIR document

Effect of metal particles on promoting the nucleation of tetra-n-butylammonium semiclathrate hydrate.

• Author(s) : MORIMOTO T., KOGA Y., SUZUKI R., TAKEYA S., INADA T., KUMANO H.
• Publication date: 2021/01
• Languages : English
• Keywords : Nucleation, Supercooling, Metal, Hydrate, Solidification
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 121
• Formats : PDF

Étude thermique d’une boucle de réfrigération secondaire par coulis d’hydrates.

Thermal study of a secondary refrigeration loop via hydrate slurries.

• Author(s) : FOURNAISON L., OIGNET J., DELAHAYE A., et al.
• Publication date: 2014/06
• Languages : French
• Keywords : Two-phase coolant, Refrigerating system, Heat transfer coefficient, Hydrate, Expérimentation, Hydrate slurry
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 103 - n. 1144

IIR document

Characterization of mixed Cp + CO2 hydrates for refrigeration applications.

• Author(s) : CHAMI N., CLAIN P., OSSWALD V., DELAHAYE A., FOURNAISON L., DALMAZZONE D.
• Publication date: 2021/09/01
• Languages : English
• Keywords : Secondary refrigerant, Rheological property, CO2, Hydrate slurry, Expérimentation, Thermodynamic property, Flow, Indirect system
• Source: 13^rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
• Formats : PDF

PCM2016 conference: TBAB hydrate slurry based latent heat thermal storage system

Combining latent heat thermal storage with night time generation of TBAB hydrate slurry can significantly reduce the investment cost of systems for cooling purposes.

• Publication date : 2016/07/08

Dehydrofreezing of apples

A recent study focuses on a freezing process for partially dehydrated apples.

• Publication date : 2017/07/31

World desiccant wheel market.

A few figures to illustrate the desiccant wheel market.

• Publication date : 2017/01/31

Novel desiccant materials for more energy-efficient AC systems

Teams of researchers at MIT and at Texas A&M University have developed novel desiccant materials that could lead to more energy-efficient and economical room air conditioners and...

• Publication date : 2021/04/28
• Subjects: Technology

Flammable ice: the answer to Japan’s energy drought?

Flammable ice (or methane hydrate) could represent an interesting alternative to fossil fuels in Japan, since vast amounts of methane hydrate can be found buried deep under the ocean around the country.

• Publication date : 2018/02/06

Underground storage of liquid CO2

Dispensing of CO2 by storing it underground usually implies placing it in aquifer rocks deep enough (-800 m) to achieve sufficient pressure to maintain the CO2 in a supercritical (fluid) phase. This approach has many shortcomings as in this form,...

• Publication date : 2006/11/15

ICR2019: overview of current refrigeration research topics (part III)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

Briefs: Ice cubes at over 10°C

Ice slurries are well known for their capacity to transport heat within confined systems. Cemagref is currently working on a new type of two-phase secondary refrigerant: a gas-hydrate slurry which could pave the way for applications in the...

• Publication date : 2008/10/25

Cold to help the Olympic athletes recover

With temperatures in Athens reaching 40°C, keeping cool and maintaining fluids was a focus for athletes. Contrary to popular belief, saunas and hot spas dehydrate the body and cause fatigue. Hence, the Australian Olympic team devised an entire...

• Publication date : 2004/09/14

Visualization of artificial proteins with cryo-electron microscopy

A team of researchers managed to visualize the atomic structure of peptoids.

• Publication date : 2019/12/30

Japanese households don’t make the most of reversible heat pumps

Despite a high market penetration, less than half of Japanese households use their reversible heat pumps for heating.

• Publication date : 2024/02/23
• Subjects: General information

Extreme heat reduces productivity in global economies

In a recent report, a non-profit organisation examined how global warming is affecting the economy and labour productivity in 12 major urban areas worldwide. 

• Publication date : 2022/10/27
• Subjects: Figures, economy

Events: c-dig

The latest c-dig (carbon dioxide interest group) meeting took place in Lyon, France, on November 3-4, 2008 and was attended by about 40 researchers, compressor manufacturers and industry stakeholders. It gave an overview of the current state of...

• Publication date : 2009/02/24

Refrigeration innovations for the avocado market

The booming global avocado market calls for increasing standards of quality. Refrigeration technologies offer cutting-edge solutions for fruit ripening and seed preservation for future crops.

• Publication date : 2020/10/22

Cryogenic distillation: a promising technology for carbon capture

Cryogenic distillation is subject to intense R&D works for CO2 capture in CCS facilities. A plant using this technology is under construction in China.

• Publication date : 2019/06/28

PCM 2018

Review of the 12th IIR International Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning (PCM 2018).

• Publication date : 2018/06/22

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : English, French
• Themes : Freezing of foodstuffs

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 : English, French
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information