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IIR document

Factors influencing thermal radiative properties of metals.

• Author(s) : KRALIK T., HANZELKA P., MUSILOVA V., et al.
• Publication date: 2014/04/07
• Languages : English
• Keywords : Thermal property, Radiation, Metal, Measurement, Absorption, Heat flux, Emissivity, Cryogenics
• Source: Cryogenics 2014. Proceedings of the 13^th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
• Formats : PDF

IIR document

An overview of the thermal radiative properties of metallic materials.

• Author(s) : FROLEC J., KRÁLÍK T.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Radiation, Metal, Heat transfer, Simulation, Material, Heat flux, Expérimentation, Emissivity, Cryogenics
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

Effect of solar radiation model on the predicted energy performance of buildings.

• Author(s) : PRADA A., PERNIGOTTO G., BAGGIO P., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Energy consumption, Building, Solar radiation, Simulation, Prediction, Energy efficiency, Air conditioning, Heating
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

Study on the effect of electromagnetic radiations during freezing on ice structure and quality of fruit and vegetable tissues.

• Author(s) : KUMAR P.
• Publication date: 2018/11/09
• Languages : English
• Keywords : Freezing, Fruit, Vegetable, Electromagnetism, Radiation, Ice
• Formats : PDF

Combinación de radiación UV-B y -C como elicitora de la biosíntesis de flavonoides durante la vida comercial refrigerada de pimientos.

Combination of UV-B and -C radiation as elicitor of flavonoid biosynthesis during the commercial refrigerated life of peppers.

• Author(s) : CASTILLEJO N., MARTINEZ-ZAMORA L., ARTÉS-HERNÁNDEZ F.
• Publication date: 2022/04
• Languages : Spanish
• Keywords : Sweet pepper, Ultraviolet, Chilled food, Nutritional value, Radiation, Expérimentation
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

Radiative cooling: principles, progress, and potentials

• Author(s) : HOSSAIN M. M., GU M.
• Publication date: 2016/06
• Languages : English
• Keywords : Review, Radiative cooling, Passive cooling, Solar radiation, Atmosphere, Radiation, Performance
• Source: Advanced Science - vol. 3 - n. 7
• Formats : PDF

Recommended by the IIR

Updated Global Warming Potentials and Radiative Efficiencies of Halocarbons and Other Weak Atmospheric Absorbers

• Author(s) : HODNEBROG Ø., AAMAAS B., FUGLESTVEDT J.S., MARSTON G., MYHRE G., NIELSEN C.J., SANDSTAD M., SHINE K. P., WALLINGTON T. J.
• Publication date: 2020/09
• Languages : English
• Source: Reviews of Geophysics - vol. 58 - n. 3
• Formats : PDF

Design and analysis of a radiation cooling system for hollow cathode testing.

• Author(s) : FRANCO D. K., LEV D.
• Publication date: 2017/02/05
• Languages : English
• Keywords : Thermal analysis, Radiative cooling, Radiation, Cooling capacity, Modelling
• Source: Applied Thermal Engineering - vol. 112

Recommended by the IIR

Materials, structures, and devices for dynamic radiative cooling.

• Author(s) : WANG J., TAN G., YANG R., ZHAO D.
• Publication date: 2022/12/21
• Languages : English
• Keywords : Radiative cooling, Review, Energy saving, Energy consumption, Building, Textile, Car, Aerospace application, Household application, Solar radiation, Thermal comfort
• Source: Cell Reports Physical Science. - vol. 3 - n. 12
• Formats : PDF

IIR document

Effect of superconductivity on microscale radiative heat transfer.

• Author(s) : KRÁLÍK T., FORT T., MUSILOVÁ V., et al.
• Publication date: 2016/06/22
• Languages : English
• Keywords : Superconduction, Radiation, Measurement, Heat transfer, Optimization
• Source: 1^st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016). Proceedings: Bucharest, Romania, June 22-25, 2016.
• Formats : PDF

IIR document

Role of the superconductivity in radiative heat transfer.

• Author(s) : KRALIK T., MUSILOVA V., SRNKA A., et al.
• Publication date: 2017/05/15
• Languages : English
• Keywords : Thermal conductivity, Superconduction, Radiation, Metal, Measurement, Heat transfer
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

Recommended by the IIR

Full Daytime Sub-ambient Radiative Cooling in Commercial-like Paints with High Figure of Merit.

• Author(s) : LI X., PEOPLES J., ZHAO Z., QIU J., RUAN X.
• Publication date: 2020/10
• Languages : English
• Keywords : Painting, Radiative cooling, Carbonate, Calcium, Performance, Expérimentation, Building, Solar radiation
• Source: Cell Reports Physical Science. - vol. 1 - n. 10
• Formats : PDF

Recommended by the IIR

Experimental Study on the Performance of a Space Radiation Cooling System under Different Environmental Factors.

• Author(s) : ZHUANG Z., XU Y., WU Q., LIU B., LI B., ZHAO J., YANG X.
• Publication date: 2022/10
• Languages : English
• Keywords : Radiation, Passive cooling, Outdoor environment, Expérimentation, Performance, Roof, Humidity, Radiative cooling
• Source: Energies - vol. 15 - n. 19
• Formats : PDF

IIR document

Modelling of the thermal radiation shields for cryogenic systems.

• Author(s) : CURUIA M., ANGHEL M., BRILL C., et al.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Radiation, Superconductor, Energy storage, Simulation, Modelling, Expérimentation, Cryogenics
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

Recommended by the IIR

Differential calorimeter for testing efficiency of samples processed for radiative cooling.

• Author(s) : NAVAJAS D., PINTO C., ANDUEZA A., SEVILLA J., BENGOECHEA J., ZUGASTI E., BUCETA A.
• Publication date: 2020/11/11
• Languages : English
• Keywords : Radiative cooling, Passive cooling, Calorimeter, Efficiency, Simulation
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

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

Refrigeration, a key player to eradicate malaria

Refrigeration techniques have been used to develop and preserve the very first malaria vaccine, which has been administered to almost 2 million children since 2019.

• Publication date : 2024/04/25
• Subjects: Developing country

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

Radiative cooling: protecting ice from melting under sunlight

Researchers have developed a biodegradable film made of cellulose acetate which, thanks to its radiative cooling properties, effectively protects ice subjected to solar radiation from melting, with possible...

• Publication date : 2022/03/30

ICR2011 highlights: cooling particle detectors

Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...

• Publication date : 2012/02/21

Radiative cooling: smart materials to switch from heating to cooling

Researchers have developed a radiative thermal management device, composed of several layers of reflective/absorbent materials, capable of switching between heating and cooling...

• Publication date : 2022/09/28
• Subjects: Technology

Radiative Cooling in the Sub-Saharan Desert

A new way of lowering temperatures without using electricity has recently been developed. Iterrae, a French company, has discovered a way of using radiative cooling, a phenomenon that takes place at night, when the Earth is cooled by the 0 K...

• Publication date : 2007/08/05

How to reuse the condensate water from air conditioners?

Review of the different uses of the condensate water rejected by air conditioners.

• Publication date : 2020/09/04
• Subjects: Developing country

A new cooling technique for superconducting cavities of particle accelerators

A team of researchers is developing a new method to cool the superconducting cavities of particle accelerators, which could make them more compact.

• Publication date : 2019/10/30

Briefs: Accuracy of temperature-measuring equipment

Food Refrigeration & Process Engineering Research (FRPERC), University of Bristol (UK) has conducted studies on 3 types of temperature-monitoring equipment. The temperatures were measured between mock (tylose) food packs in 3 retail cabinets....

• Publication date : 2004/07/27

Briefs: The hole truth

The closely monitored ozone hole above Antarctica is renowned for its unpredictable seasonal behaviour and changes in shape. High-altitude clouds form above Antarctica as soon as the temperature goes below -85°C in winter and spring, seasons...

• Publication date : 2004/07/27

Air paths inside fruit

Microscopically small structures inside pears and apples allow them to "breathe". Researchers at the Catholic University of Leuven and the European Synchrotron Radiation Facility (ESRF) have visualized these pathways for the first time, therefore...

• Publication date : 2008/10/25

Briefs: Morning dew: a source of drinking water

Researchers at Grenoble CEA, in France, have designed, thanks to a new material, a collector that can collect and condense dew, providing a precious additional source of water, and furthermore, of drinking water. The device is based on the...

• Publication date : 2006/07/26

Assessing indoor air quality: Air cleaners

The quality of indoor air and how to assess it are increasingly raising concern, whether this is related to the efficiency of air-conditioning systems or of air cleaners. Air-cleaner market is doing fine. According to the Environmental Protection...

• Publication date : 2008/02/12

EU requires cold treatment for citrus imports

According to a new EU legislation, a mandatory cold treatment will be required for citrus fruits imported from non-EU countries.

• Publication date : 2022/04/19
• Subjects: Regulation, Developing country

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

Past events: The IIR around the world, August and September 2024

A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).

• Publication date : 2024/10/07

Cryogenics and Low-Temperature Physics: New Horizons and Challenges

This Focus written by Ralf Herzog*, President of the IIR’s Cryophysics, Cryoengineering commission (Commission A1) for the Newsletter of the IIR is the third in a series of presentations of the activities and hot research topics handled by the...

• Publication date : 2012/09/21

Editorial by Mrs. Sylvie Lemmet

The refrigeration and air conditioning (RAC) industry is remarkable for its contribution to sustainable development and indeed to the United Nations' Millennium Development Goals. Preservation of perishable food and medicines has resulted in...

• Publication date : 2007/08/05

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...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

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