Search results

Assessing the potential of air-source heat pumps in the Canadian residential sector.

• Author(s) : TAMASAUSKAS J., ROUSSEAU L., LACHANCE A., KEGEL M.
• Publication date: 2023/05
• Languages :
• Keywords : Heat pump, Canada, Heating, Enhancement, Simulation
• Source: 14^th IEA Heat Pump Conference 2023, Chicago, Illinois.
• Formats : PDF

A review of recent investigations on flow and heat transfer enhancement in cooling channels embedded with triply periodic minimal surfaces (TPMS). 

• Author(s) : YERANEE K., RAO Y.
• Publication date: 2022/12
• Languages : English
• Source: Energies - vol. 15 - n. 23
• Formats : PDF

Study on heat transfer enhancement of lotus-type porous copper heat sink.

[In Chinese. / En chinois.]

• Author(s) : WU J., LIU Y., LI Y., et al.
• Publication date: 2016/06
• Languages : Chinese
• Keywords : Groove, Enhancement, Copper, Microchannel, Heat transfer, Simulation, Heat exchanger
• Source: Journal of Refrigeration - vol. 37 - n. 169
• Formats : PDF

A novel ejector with a bypass to enhance the performance.

• Author(s) : CHEN W., CHEN H., SHI C., et al.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Enhancement, Performance, Modelling, Expérimentation, Ejector
• Source: Applied Thermal Engineering - vol. 93

IIR document

Performance enhancement of a compressive thermoelastic cooling system using multi-objective optimization and novel designs.

• Author(s) : QIAN S., ALABDULKAREM A., LING J., et al.
• Publication date: 2015/09
• Languages : English
• Keywords : Thermoelectric cooling, Enhancement, Cooling, Prototype, Performance
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
• Formats : PDF

IIR document

Heat transfer enhancement of ammonia pool boiling with an integral-fin tube.

• Author(s) : FERNÁNDEZ-SEARA J., PARDIÑAS A. A., DIZ R.
• Publication date: 2016/09
• Languages : English
• Keywords : Pool boiling, Finned tube, Enhancement, Heat transfer, Ammonia, Testing
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
• Formats : PDF

IIR document

Effect of acoustic wave on enhancement of moisture adsorption rate of silica-gel.

• Author(s) : OKUBO K., MATSUDA S., UEDA Y., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Silica gel, Enhancement, Adsorption, Wave, Humidity, Expérimentation, Acoustics
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Pool boiling heat transfer enhancement by porous interconnected microchannel nets at different liquid subcooling.

• Author(s) : ZHANG S., TANG Y., ZENG J., et al.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Pool boiling, Enhancement, Bubble, Microchannel, Heat transfer, Expérimentation
• Source: Applied Thermal Engineering - vol. 93

Recommended by the IIR / IIR document

Solidification performance enhancement of encapsulated ice storage system by fins and copper foam.

• Author(s) : WANG H., XIANG H.
• Publication date: 2022/02
• Languages : English
• Keywords : Modelling, Ice, Energy storage, Foam, Metal, Solidification, Enhancement, PCM
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 134
• Formats : PDF

Forced convection enhancement in channels with transversal ribs and nanofluids.

• Author(s) : ANDREOZZI A., MANCA O., NARDINI S., et al.
• Publication date: 2016/04/05
• Languages : English
• Keywords : Fluid, Rib, Enhancement, Channel, Heat transfer, Nanofluid, Modelling, Turbulent flow, Forced convection
• Source: Applied Thermal Engineering - vol. 98

Enhanced pool-boiling heat transfer on laser-made hydrophobic/superhydrophilic polydimethylsiloxane-silica patterned surfaces.

• Author(s) : ZUPANCIC M., STEINBÜCHER M., GREGORCIC P., et al.
• Publication date: 2015/12/05
• Languages : English
• Keywords : Pool boiling, Enhancement, Heat transfer, Thermography, Coating (materials), Surface
• Source: Applied Thermal Engineering - vol. 91

Optimization of heat transfer enhancement of nanofluid in a channel with winglet vortex generator.

• Author(s) : ABDOLLAHI A., SHAMS M.
• Publication date: 2015/12/05
• Languages : English
• Keywords : Generator, Fluid, Enhancement, Vortex, Heat transfer, Artificial neural network, Simulation
• Source: Applied Thermal Engineering - vol. 91

Application of pump-assisted separate heat pipe on dehumidifying enhancement in air conditioning system.

• Author(s) : GUO Z. J., SHAO J., LI X. H., et al.
• Publication date: 2016/04/05
• Languages : English
• Keywords : Heat pipe, Enhancement, Energy consumption, Dehumidification, Heat recovery, Pump, Air conditioning
• Source: Applied Thermal Engineering - vol. 98

IIR document

Enhancing energy efficiency in supermarket refrigeration systems through a robust energy performance indicator.

• Author(s) : ACHA S., DU Y., SHAH N.
• Publication date: 2016/04
• Languages : English
• Keywords : Split system, Refrigerating system, Enhancement, Supermarket, Performance, Energy efficiency, Refrigerant, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 64
• Formats : PDF

IIR document

Experimental analysis of refrigeration CO2 systems using an additional compressor to enhance energy performance.

• Author(s) : NEBOT-ANDRÉS L., CALLEJA-ANTA D., SÁNCHEZ D., CABELLO R., LLOPIS R.
• Publication date: 2022/06/13
• Languages : English
• Keywords : Thermodynamic cycle, CO2, R744, Subcooling, Expérimentation, Enhancement, Performance, COP, Transcritical cycle
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

CHEs in heat pumps

In its Annex 33, "Compact Heat Exchangers in Heat Pumping Equipment" issued in September 2010, the Heat Pump Programme details the benefits of using compact heat exchangers (CHEs): . Improved heat exchanger thermal effectiveness: thermal...

• Publication date : 2011/02/07

Cool bedrooms are healthier

A recent study published in Diabetes, June 2014 issue, shows that cooler bedrooms could enhance the production of « brown fat »

• Publication date : 2014/12/19

Two-phase ejectors: a high potential for energy savings

Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...

• Publication date : 2020/11/27

An alternative metal alloy for magnetic refrigeration?

A new metal alloy which does not use rare-earth elements could lead to commercially viable magnetic refrigeration systems.

• Publication date : 2015/12/07

Optimizing frost-free refrigerators

A team from the Federal University of Paraná and the Federal University of Technology – Paraná in Brazil has modelled and optimized a frost-free refrigerator aimed at both cost and energy savings.

• Publication date : 2013/06/21

Magnetic refrigeration, a promising technology for the liquefaction of hydrogen

A keynote at the recent IIR Congress highlights magnetic refrigeration as a technology with high potential for the liquefaction of hydrogen, an essential energy vector for decarbonisation. 

• Publication date : 2023/11/28

Passive cooling by combining evaporation, radiation and insulation

ICER, a new passive cooling technique, can extend food shelf life by 40% in humid climates and 200% in dry climates with low water-refilling frequences. 

• Publication date : 2022/10/27

Improving adsorption cooling thanks to MOFs

Metal-organic framework (MOF) compounds are porous crystalline materials composed of metal ions or metal clusters bridged by organic linking groups; they have outstanding adsorption properties, allowing for better efficiency and use on a larger...

• Publication date : 2015/02/20

Status and potential applications of thermal energy storage in China, Japan and South Korea

During the 10th IIR Conference on PCMs and Slurries for Refrigeration and Air Conditioning held in Kobe, Japan, the status and potential applications of thermal energy storage in China, Japan and South Korea was presented

• Publication date : 2012/12/31

A promising future for nanorefrigerants

A review article published in the IJR highlights the remarkable heat transfer properties of nanorefrigerants, which are leading to significant improvements in the performance of refrigeration systems.

• Publication date : 2018/05/17

Overview of data center cooling technologies

The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...

• Publication date : 2022/12/15
• Subjects: Technology

International events: Antony

The 1st IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems was held in Antony, France, on April 6-7, 2009. Besides charge reduction, key topics covered included enhancement of heat and mass transfer, pressure and oil issues and...

• Publication date : 2009/05/18

ICR2007 in Beijing

The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

• Publication date : 2007/11/20

Newsletter INDEE+ | September 2023

The latest news on the INDEE+ project.

• Publication date : 2023/09/22

IIR Working Group on the Cold Chain in Warm Countries appoints a new chairperson

Newly appointed chairperson, Halima Thraya, will oversee and coordinate the various efforts and projects carried out by the Working Group.

• Publication date : 2015/06/03

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

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

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

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 : French, English
• Themes : Freezing of foodstuffs