Search results

Outdoor comfort in public spaces, a critical review.

• Author(s) : LI M., YIN H., QU M., TRIVERS I.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 7^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

State-space modeling of thermal spaces in a multi-zone building.

• Author(s) : DEHKORDI V. R., CANDANEDO J. A.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

A review of thermal comfort in residential buildings: comfort threads and energy saving potential.

• Author(s) : AQILAH N., RIJAL H. B., ZAKI S. A.
• Publication date: 2022/12
• Languages : English
• Source: Energies - 15 - 23
• Formats : PDF

Spoljašnje hladenje za postizanje toplotnog komfora oko gledalaca u klimatizovanim sportskim objektima.

Outdoor cooling for thermal comfort around spectators in air conditioned sport facilities.

• Author(s) : KHALIL E. E.
• Publication date: 2016/12
• Languages : English
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

IIR document

Effect of tip clearance, winglets, and shroud height on the tip leakage in axial flow fans.

• Author(s) : JUNG J. H., JOO W. G.
• Publication date: 2018/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 93
• 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
• Source: Energies - vol. 15 - 19
• Formats : PDF

Recommended by the IIR

Temperature-dependent dual-mode thermal management device with net zero energy for year-round energy saving.

• Author(s) : ZHANG Q., LV Y., WANG Y., YU S., LI C., MA R., CHEN Y.
• Publication date: 2022
• Languages : English
• Source: Nature Communications - 13
• Formats : PDF

IIR document

Snowmelt modelling and solutions for outdoor snow storage.

• Author(s) : HEIMDAL M., EIKEVIK T. M., TOLSTOREBROV I.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Optimum regeneration temperature of a desiccant solution in a packaged liquid desiccant-assisted air conditioning unit.

• Author(s) : DONG H. W., CHO H. J., PARK J. Y., et al.
• Publication date: 2019/05
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 101
• Formats : PDF

Predicting HVAC noise outdoors.

• Author(s) : MOISEEV N.
• Publication date: 2003/04
• Languages : English
• Source: ASHRAE Journal - vol. 45 - n. 4

The challenge of cooling the stadia.

• Author(s) : OMER A.
• Publication date: 2011/07
• Languages : English
• Source: Climate Control Middle East - vol. 6 - n. 7

Effects of oil on boiling of replacement refrigerants flowing normal to a tube bundle. 2. R134a.

• Author(s) : TATARA R. A., PAYVAR P.
• Publication date: 2000
• Languages : English
• Source: ASHRAE Transactions. 2000 Winter Meeting, Dallas, Texas + CD-ROM.

Flooded boiling of ammonia with miscible oil outside a horizontal plain tube.

• Author(s) : ZHENG J. X., JIN G. P., CHYU M. C.
• Publication date: 2001/04
• Languages : English
• Source: HVAC&R Research - vol. 7 - n. 2

IIR document

Prediction of heat transfer coefficient during condensation of water and R134a on single horizontal integral-fin tubes.

• Author(s) : KUMAR R., VARMA H. K., MOHANTY B., et al.
• Publication date: 2002/01
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 1
• Formats : PDF

IIR document

Measurement of spray boiling refrigerant coefficients in an integral-fin tube bundle segment simulating a full bundle.

• Author(s) : TATARA R. A., PAYVAR P.
• Publication date: 2001/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 24 - n. 8
• Formats : PDF

Testing a prototype outdoor air conditioner using liquid nitrogen

In September 2022, a start-up is testing a prototype outdoor air conditioning system using liquid nitrogen in a few restaurants.

• Publication date : 2022/09/19
• Subjects: Technology

Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...

• Publication date : 2021/02/25
• Subjects: Environment, Technology

Innovative solutions to reduce cooling needs for data centres

As the world’s demand for data continues to expand, the creation of new data centres poses the issue of cooling. Innovative solutions using renewable energy sources and heat recovery are presented...

• Publication date : 2020/05/27
• Subjects: Technology

For IIR members only

An innovation in thermoregulating clothing

Thermoregulating garments powered by solar energy and bidirectional electrocaloric devices are under development. They are said to be effective for outdoor temperatures of 12.5 to...

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

Solar-powered modular facade capable of cooling and heating a building

In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...

• Publication date : 2022/02/07
• 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

Market assessment and updates of Rwanda’s national cooling strategy

In Rwanda, the purchase of household refrigerators and ACs is increasing with economic growth. As part of the national cooling strategy, the country has launched a public awareness campaign on efficient cooling...

• Publication date : 2021/03/29
• Subjects: Developing country, Environment

The need for air conditioning is increasing in the EU

Recent Eurostat figures show an increase in the number of cooling degree days in the EU-27 Member States. This indicates an increase in the need for air conditioning over the last decades.

• Publication date : 2021/05/31
• Subjects: Environment, General information

Reducing emissions from China’s refrigeration sector

According to a recent report by the Economist Intelligence Unit, China is responsible for about one third of global emissions from refrigeration. The report presents scenarios for...

• Publication date : 2021/09/07
• Subjects: Regulation, Environment, Figures, economy

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

The impact of humidity on global demand for cooling energy

Recent studies have highlighted the countries most affected by the need to adapt to rising temperatures. Assessing the impact of humidity on perceived temperatures also stresses out...

• Publication date : 2023/09/25
• Subjects: General information

Expansion of cold chain facilities in hot countries

Effective cold-chain logistics are essential for the economic growth of hot countries. In Africa, Asia, as well as the Middle East, various stakeholders are engaged in setting up cold storage refrigeration warehouses and temperature-controlled...

• Publication date : 2020/02/27
• Subjects: Developing country

Main figures for the Australian heat pump market

Sales of heat pumps are increasing in Australia, especially for domestic water heating, in replacement of gas appliances in both existing and new buildings. 

• Publication date : 2023/11/28
• Subjects: Figures, economy

Successful test of a dilution refrigerator for quantum computers

IBM scientists have succeeded in cooling a quantum computer chip to a temperature of 25 mK using a large-scale dilution refrigerator. 

• Publication date : 2022/10/27
• Subjects: Technology

AC adoption may increase household electricity consumption up to 42%

In a recent study by EnergyA, an EU-funded research project, authors examined the impact of climatic conditions on households’ electricity expenditures in Australia, Canada, France, Japan, the Netherlands,...

• Publication date : 2020/06/29

Training and courses: Accessible opportunities online

The IIR has taken care to provide you with an exclusive selection of digital training and course material on the main themes of HVACR, including a section dedicated to certification courses from reputable international organisations and companies...

• Publication date : 2017/10/03

The IIR publishes two new IIR Informatory Notes on Energy Recovery!

The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...

• Publication date : 2021/07/13
• Subjects: Technology, Environment

Editorial by Didier Coulomb

Since 2007, the International Institute of Refrigeration (IIR) has conducted strategic discussions on its missions and services. This process began internally then took on board the outcomes of two surveys conducted at the beginning of this year...

• Publication date : 2009/08/13

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 : English, French
• Themes : Freezing of foodstuffs