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IIR document
Separation of binary mixtures based on helium and heavy inert gases.
Development of an electrochemical membrane dehumidifier.
Study on air conditioner with dense membrane.
Performance Test of Dense Membrane for Vaccum Membrane Dehumidification System.
Experimental study of a membrane-based dehumidification cooling system.
Membrane-type total heat exchanger performance with heat and moisture transferring in different directions across membranes.
Comparison on Vacuum Membrane Dehumidification Systems with Moisture Selective Dense Membrane.
Theoretical study on performance of cyclic membrane-based vacuum dehumidification system.
Performance analysis of dense membrane for air dehumidification: An experimental study.
Empirical Analysis of Dehumidification Performance of Hollow-Fiber-Membrane Dehumidifier.
Polymer Membranes for Enthalpy Exchangers.
Comparative analysis of energy discharge characteristics between hollow fiber membrane and flat membrane energy accumulators.
Hydrophobic membrane based compact absorption refrigeration system.
Pervaporation Membrane for Refrigerator Vegetable Tray Applications.
Theoretical analysis of membrane based liquid desiccant air conditioning system.
Refrigeration sector monitoring
35 results
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.
Simplifying the preservation at very low temperature of tissues used in ophthalmology
Researchers have compared the effects of −28 °C (standard freezer) and −80 °C preservation on human amniotic membrane, which is commonly used in ophthalmic...
Optical cavity cooling: a quantic leap for optical refrigeration?
A team of researchers at the Niels Bohr Institute have combined laser cooling technology with nano-physics, and have discovered a revolutionary way of bringing a semi-conductor nano-membrane’s temperature down to -269°C.
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...
R&D
The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...
Maturity level of alternative AC technologies
In a recent review article, the authors assessed air conditioning technologies in Europe according to their Technology Readiness Level (TRL).
Biological effects of low temperature
In the past couple of decades, the use of cryosurgery for the treatment of tumours, i.e. destroying abnormal lesions while protecting surrounding tissues, has spread. The biological effects of cryosurgery can be divided into 2 types: early/direct...
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...
The environmental benefits of evaporative cooling
An Eurovent study shows that evaporative cooling could help save up to 56,000 tons of CO2 emissions per year in the future in the European Union. Evaporative cooling is present in half of the projects presented by the eight Global Cooling Prize...
Briefs: Thermoacoustics for air conditioning
The Palo Alto Research Center (PARC), is developing a new form of refrigeration for cooling at room temperature, based on thermoacoustics, which was previously used only for cryogenic temperatures. The technology PARC developed is claimed to...
China
China 's first self-made LNG carrier is being constructed in Shanghai after almost 8 years of research, training of building specialists and planning. An LNG ship is worth between USD 170 million and 200 million. The vessel which is due for...
Visualization of artificial proteins with cryo-electron microscopy
A team of researchers managed to visualize the atomic structure of peptoids.
Vaccines: a step towards thermostability
Ensilication of the protein molecules of a vaccine against tuberculosis prevents its deterioration by heat.
A must-read in the IJR: a review of storage temperatures for biological material
To improve storage efficiency, the authors of a review article take stock of storage temperatures for biological material (cells, proteins, DNA, etc).
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.
IIR news
4 results
Member news: Latest news from Air Liquide
Air Liquid inaugurates a low-carbon hydrogen production unit and promotes the development of helium refrigeration.
Opportunities: PhD Positions Available at nM2-Lab (Italy)
The research group at the Nanostructured Magnetic Materials Lab (nM2-Lab) is proposing several PhD positions in Rome and Genoa.
First meeting of the IIR Working Group on Dehumidification in Air Conditioning
The IIR Commission E1 Working Group (WG) on “Dehumidification in Air Conditioning”, chaired by Baolong Wang and Xu Zhang, held its first meeting during the IIR-co-sponsored Purdue conferences on July 9, 2018.
Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases
The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.
Encyclopedia of Refrigeration
3 results
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...
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...
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...
