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Recommended by the IIR / IIR document

Passive cooling technologies. 47^th Informatory Note on Refrigeration Technologies.

• Author(s) : LAZZARIN R.
• Publication date: 2022/04
• Languages : French, English, Spanish
• Formats : PDF

IIR document

Passive cooling of two phase change materials installed in series.

• Author(s) : FAUER C., CREMASCHI L.
• Publication date: 2024/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 159
• Formats : PDF

IIR document

Passive cooling potential of two different PCM cooling ceilings in the energy efficiency center.

• Author(s) : WEINLÄDER H., KLINKER F., YASIN M.
• Publication date: 2016/05/18
• Languages : English
• 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

A study on passive cooling strategies for buildings in hot humid region of Nepal.

• Author(s) : MANANDHAR R., YOON J.
• Publication date: 2015/02
• Languages : English
• Source: KIEAE Journal - vol. 15, n. 1 - vol. 15, n. 1

A study on optimising heat pipe geometrical parameters for sustainable passive cooling within the built environment.

• Author(s) : CHAUDHRY H. N.
• Publication date: 2016/01/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 93

IIR document

Improving cooling efficiency in domestic refrigerators: a passive cooling system exploiting external air circulation.

• Author(s) : NICOLETTI F., AZZARITO G., SYLAJ D.
• Publication date: 2024/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 159
• Formats : PDF

Nano-PCMs for enhanced energy storage and passive cooling applications.

• Author(s) : COLLA L., FEDELE L., MANCIN S., et al.
• Publication date: 2017/01/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 110

The influence of various solar radiations on the efficiency of a photovoltaic solar module integrated with a passive cooling system.

• Author(s) : RUBAIEE S., FAZAL M. A.
• Publication date: 2022/12
• Languages : English
• Source: Energies - vol. 15 - n. 24
• Formats : PDF

Simulation of Phase Change Material absorbers for passive cooling of solar systems.

• Author(s) : HASSABOU A., ISAIFAN R. J.
• Publication date: 2022/12
• Languages : English
• Source: Energies - vol. 15 - n. 24
• Formats : PDF

Study of unsteady state thermal characteristics of homogeneous and composite walls of building and insulating materials for passive cooling.

• Author(s) : TALANKI PUTTARANGA SETTY A. B., SHAIK S.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Thermal analysis of a heat pipe assisted passive cooling system for spent fuel pools.

• Author(s) : KUANG Y., YANG Q., WANG W.
• Publication date: 2022/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 135
• Formats : PDF

A review of nanoparticle material coatings in passive radiative cooling systems including skylights.

• Author(s) : GANGISETTY G., ZEVENHOVEN R.
• Publication date: 2023/02
• Languages : English
• Source: Energies - vol. 16 - n. 4
• Formats : PDF

Passive cooling analysis of an electronic chipset using nanoparticles and metal-foam composite PCM: an experimental study. 

• Author(s) : HASSAN F., HUSSAIN A., JAMIL F., ARSHAD A., ALI H. M.
• Publication date: 2022/11
• Languages : English
• Source: Energies - vol. 15 - n. 22
• Formats : PDF

Potential of CO₂ emission reduction via application of geothermal heat exchanger and passive cooling in residential sector under Polish climatic conditions.

• Author(s) : FIDORÓW-KAPRAWY N., STEFANIAK Ł.
• Publication date: 2022/11
• Languages : English
• Source: Energies - vol. 15 - n. 22
• Formats : PDF

Integrated electro-hydraulic machine with self-cooling possibilities for non-road mobile machinery.

• Author(s) : PONOMAREV P., MINAV T., ÅMAN R., et al.
• Publication date: 2015/03
• Languages : English
• Source: Strojniski vestnik - Journal of mechanical Engineering - vol. 61 - n. 3
• 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

Innovative material for passive cooling and natural lighting

Researchers at the Karlsruhe Institute of Technology have developed a polymer-based material that is more transparent to light than regular glass and maintains a comfortable indoor...

• Publication date : 2024/06/10

Sustainable air-conditioning solutions in EU buildings

In a recent briefing note, the European Environment Agency (EEA) discusses sustainable solutions to the growing need for cooling in Europe.

• Publication date : 2022/12/15
• Subjects: General information

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

Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

• Publication date : 2021/08/02
• Subjects: Developing country, Technology

Addressing gender and regional disparities in access to cooling

The annual Chilling Prospects report estimates that 1.12 billion poor people in rural and urban areas are at high risk due to a lack of access to cooling. 

• Publication date : 2023/09/25
• Subjects: Figures, economy, Developing country, General information

World Cup stadium cooling technology and CO2 emissions

The FIFA World Cup stadiums in Qatar combine passive cooling strategies with innovative air-conditioning technology to offer fans and players a more comfortable...

• Publication date : 2022/11/21
• Subjects: Technology

New polymer coating keeps buildings cool

Researchers from Columbia University have created a passive daytime radiative cooling polymer coating with air voids that act as a spontaneous air cooler.

• Publication date : 2018/10/18
• Subjects: Environment

Green roofs can reduce cooling demand in warm climate zones

The impact of green roofs on building energy performance was assessed in 15 climate zones. In most regions, the reduction in energy demand for cooling was greater than for...

• Publication date : 2023/10/24
• Subjects: Technology

Cooling solutions for hybrid electric aircraft

The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...

• Publication date : 2023/08/25
• Subjects: Technology

New radiative cooling technology promises breakthrough for vertical surfaces

A new radiative cooling material designed for vertical surfaces demonstrates cooling 2.5°C below ambient, offering solutions for urban heat. 

• Publication date : 2024/12/13

3D printing for passive buildings

3D printing of buildings, which has advantages in terms of cost and speed of construction, can also facilitate the design of near zero energy buildings. 

• Publication date : 2021/03/29

Experimentation of a film rejecting 70% of solar heat

A team of researchers explored the ability of a phase-change material film set on windows to reject incoming solar heat.

• Publication date : 2018/12/27
• Subjects: Environment

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.

• Publication date : 2017/09/01

PCMs to reduce energy consumption in buildings

A recent review article describes the principles of latent heat thermal energy storage systems using phase change materials (PCMs), and their applications to improve thermal performance in the building...

• Publication date : 2021/04/22
• Subjects: Technology

New IIR Informatory Note on passive cooling

The IIR’s latest Informatory Note demonstrates that passive cooling technologies can contribute significantly to reducing energy demand for air conditioning. 

• Publication date : 2022/04/29
• Subjects: Technology

IIR’s contribution and key outcomes at COP29

The International Institute of Refrigeration actively participated in COP29/CMP19/CMA6 held in Baku, Azerbaijan, from 11 November to 22 November 2024, contributing to key discussions and fostering discussions...

• Publication date : 2024/12/17
• Subjects: Regulation, Environment

The IIR supports the Global Cooling Pledge

The IIR and several of its corporate members support this historic commitment signed during COP28.

• Publication date : 2024/01/26
• Subjects: Environment

IIR advocates for sustainable air conditioning solutions at HBRC event in Cairo

IIR played a prominent role in the HBRC International Conference held in Cairo from 14 to 17 December 2024. Its representatives led discussions on sustainable air conditioning, emphasising its technical and...

• Publication date : 2024/12/19

Past events: the IIR worldwide, April 2024

In March and April, the IIR attended Centro Studi Galileo, IIAR, and China Refrigeration conferences. Update on these three events

• Publication date : 2024/04/29

Focus on the last events in June 2021

In June 2021, the IIR organised two conferences: Thermag and HFO. It also participated in the European Conferences on the latest technologies in refrigeration and air conditioning organised by Centro Studi...

• Publication date : 2021/06/29

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 : English, French
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)