Effects of freezing temperature and frozen storage on the biochemical and physical properties of Procambarus clarkii/
Thermo-physical properties investigation of a TiO2-POE nano-oil.
Thermal physical properties and refrigeration cycle performance of R450A and R134a.
The characterization and thermo-physical property investigations of SiO2/HFE7000 nanorefrigerants.
Experimental investigation on thermo-physical properties of metal oxide composite nanolubricants.
Thermo-physical properties of Al2O3-SiO2/PAG composite nanolubricant for refrigeration system.
Thermo-Physical properties of silica gel composites for adsorption cooling and desalination applications.
Investigation on thermo-physical properties of aqueous suspension of nanoencapsulated phase change materials.
Experimental study on physical properties of CuO - PVE nano-oil and its mixture with refrigerant.
Comparative study of thermo-physical properties of SiO2 and Al2O3 nanoparticles dispersed in PAG lubricant
Effect of different freezing and storage condition on the physical properties of protein coagulum (Firm Tofu).
A novel modified LiCl solution for three-phase absorption thermal energy storage and its thermal and physical properties.
Extraction of heat transfer parameters in active carbon-ammonia large temperature jump experiments.
Dynamic thermal performance of three types of unfired earth bricks.
Sur la route des propriétés thermophysiques des fluides frigorigènes.
About the thermophysical properties of refrigerants.
Refrigeration sector monitoring
Always closer to absolute zero
NIST physicists have cooled a mechanical object to a temperature below the so-called “quantum limit.”
Research & Development: A cooling curtain made of a porous triple-layer membrane
A doctoral student at ETH Zurich's Functional Materials Laboratory has developed a cooling curtain made of a porous triple-layer membrane.
Honey is an efficient natural cryoprotectant in fertility preservation
While several review articles point to the need for new, effective and less toxic cryoprotectants, honey has proven to be an effective non-penetrating...
Quest for the eternal bubble
Two Paris-based artists, Olivier Dollinger and Jochen Dehn, are attempting to freeze a liquid bubble permanently. The bubble is to be suspended in mid-air thanks to a refined air-flow system, in a large low-temperature refrigerated display cabinet.
IIR TPTPR conference highlights
During the 4th IIR International Conference on Thermophysical Properties and Transfer Processes of Refrigerants held in Delft, the Netherlands, in June 2013, within the 3rd meeting of the IIR Working Party on LCCP Evaluation, two presentations...
Natural refrigerants: a key tool for the future
The IIR's interest in natural refrigerants is relatively longstanding and it is a real pleasure to be able to say that. Companies using refrigerants today are looking more and more to natural refrigerants and governments are finally really seeing...
The future of HFCs was at the heart of discussions in Geneva
Several issues of importance for the refrigeration sector were handled during the 30th meeting of the Open-ended Working Group of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer in Geneva, on June 15-18, 2010 where...
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.
Easy-to-make doped thermoelectric materials
Thermoelectric materials, which can convert electric voltage into various temperature differences, ranging from hot to cold, and vice-versa, have been used in refrigerators for over 20 years, but these applications are still small and highly...
Applications of artificial intelligence to refrigeration plants
A paper from the IIR TPTPR conference presents the energy performance and maintenance benefits of 19 refrigeration plants using artificial intelligence techniques.
Focus on the new refrigerant HCFO1224yd(z)
The Japanese chemicals manufacturer Asashi Glass Chemicals developed a new refrigerant as an alternative to R245fa.
4th IIR Conference on Thermophysical Properties and Transfer Process of Refrigerants: a very successful event
The 4th IIR Conference on Thermophysical Properties and Transfer Process of Refrigerants (TPTPR) was held at TU Delft, the Netherlands, on June 16-19, 2013. 4 keynote lectures and 66 papers were presented during this highy successful...
Call for abstracts ends December 20 - IIR Conference on Thermophysical Properties of Refrigerants
Authors are invited to send in submissions to the 6th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants (TPTPR 2021).
IIR Conference overview: 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants - TPTPR2017
With over 150 participants from 12 countries, the 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants featured 85 technical presentations, including six plenary keynote lectures.
The IIR has issued 3 new publications: - the 20th Informatory Note on Refrigerating Technologies Magnetic Refrigeration at Room Temperature, written by P. Egolf - Chairman of the IIR working party dedicated to this technology - and Ronald...
IC2015 Workshops: An opportunity to join, share and build together
ICR2015: A chance to actively participate in the innovation of refrigeration.
IIR conference on caloric cooling Thermag VIII: highlights
Thermag VIII was an opportunity to present new developments regarding magnetocaloric, electrocaloric and elastocaloric cooling.
International events: Boulder
The 3rd IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants was held on June 23-26, 2009 in Boulder, Colorado, USA. It was jointly organized with the 17th Symposium on Thermophysical Properties regularly held in...
New publications: The CD-ROM proceedings of the Vicenza IIR Conferences
The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...
Conference update: Boulder
The 3rd Conference on Thermophysical Properties and Transfer Properties of Refrigerants is to take place in Boulder (CO) USA on June 23-26, 2009. Submit a paper and register:
The 3rd Conference on Thermophysical Properties and Transfer Properties of Refrigerants is to take place in Boulder (CO), USA, on June 23-26, 2009. Submit a paper and register:
Upcoming IIR Conference: Dinan (2006)
A call for papers has been launched for the 7th Conference on Phase-Change Materials and Slurries, September 13-15, 2006 in Dinan, France. Themes: thermophysical properties of PCMs and Slurries: measurements and identification; transport phenomena...
New IIR publication: Compendium
The Food Research Institute of Prague and the IIR have co-published a compendium entitled "Thermophysical Properties of Food: Selected Fruits and Vegetables". This book presents a critical literature review of data on the freezing point, density,...
Conference report : Vicenza
Two IIR conferences on Thermophysical Properties and Transfer Processes of Refrigerants and on Commercial Refrigeration took place in Vicenza (Italy) on August 30-September 2, 2005. More than 250 participants from 29 countries attended the...
Upcoming IIR events: Dinan
Register on line for the 7th Conference on Phase-Change Materials and Slurries, September 13-15, 2006 in Dinan, France. Themes: thermophysical properties of PCMs and slurries: measurements and identification; transport phenomena of phase-change...
Encyclopedia of refrigeration
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
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...
Additive manufacturing of heat exchangers
In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
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...
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...
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...
7th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
January 01, 2025 - January 30, 2025
College Park, United States
Find out more