Search results

IIR document

Innovative design and commissioning of a positive energy balance plot in Lyon (France): the Hikari project.

• Author(s) : SIMON F., PIRIOU C., CORGIER D., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Air-to-water heat pumps as a substitution of oil-boiler in a non-retrofitted multi-family building of the 70’s. In-situ monitoring, actual energy balance and performance.

• Author(s) : MONTERO O. D., FRAGA C., CALLEGARI S., HOLLMULLER P.
• Publication date: 2021/08/31
• Languages : English
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

IIR document

Experimental investigation of energy balance during the door opening of a refrigerated truck.

• Author(s) : LAFAYE DE MICHEAUX T., SARTRE V., BONJOUR J.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Parametric study and energy balances of an office building in Tunis with eQuest software

• Author(s) : KATEB T., ZIED GANNAR M.
• Publication date: 2016/03/24
• Languages : English
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

Adaptability analysis of cooling dehumidification in temperature and humidity independent processed air conditioning system.

[In Chinese. / En chinois.]

• Author(s) : PAN Y. G.
• Publication date: 2014/08
• Languages : Chinese
• Source: HV & AC - vol. 44 - n. 293
• Formats : PDF

IIR document

Regional flow motion and heat energy balance analysis of a 10,000 class pharmaceutical cleanroom with secondary return air conditioning system.

• Author(s) : ZHAO F. Y., CHENG J., LIU B., HUANG Z. R., ZHANG Y. J., LI X.
• Publication date: 2021/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 129
• Formats : PDF

IIR document

Method of on-site determination of refrigerating machine efficiency.

• Author(s) : BAIDAK Y., VEREITINA 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

Load-based testing of heating and cooling equipment informed by detailed energy models.

• Author(s) : FRIDLYAND A., GUADA A. B., KUMAR N., AHSAN A., KINGSTON T., GLANVILLE P.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

A methodology for energy use evaluation in complex buildings - Applied in a shopping mall case study.

• Author(s) : STENSSON S., DAHLENBÄCK J. O.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Theoretical analysis of the end-plate effect on heat transfer in brazed plate heat exchangers.

• Author(s) : LI W., HRNJAK P.
• 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

Estimation of vapor quality at compressor suction of air conditioner.

• Author(s) : ENDOH K.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Auditoría energética de una planta de procesado de miel, membrillo y mermelada.

Energy audit of a honey, quince and jam processing plant.

• Author(s) : BAÑÓN-MEDINA R., ROYO R., PAYÁ J.
• Publication date: 2016/05/03
• Languages : Spanish
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

Performance evaluation of three virtual metering methods to estimate zone-level perimeter heater energy requirement.

• Author(s) : DARWAZEH D., DUQUETTE J., GUNAY B.
• Publication date: 2021/05/24
• Languages : English
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Dinamicka analiza eksergije multifunkcionalne zgrade u kojoj se koriste podaci dobijeni monitoringom.

Dynamic exergy analysis of a multifonctional building using monitored data.

• Author(s) : SAYADI S., NAGHEJAHAN A., MOROSUK T., et al.
• Publication date: 2016/12
• Languages : English
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

Optimization of compressors used in air conditioning systems.

• Author(s) : ARALIKATTI J. V., ZIETLOW D. C.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Sales of domestic refrigerators decline in France in 2023

According to Gifam, a grouping of household appliance brands, sales of domestic refrigerators in France declined in 2023, due to a challenging property and economic...

• Publication date : 2024/03/15
• Subjects: Figures, economy

South-East market dominated by low efficiency ACs

According to a recent report, 74% of room air conditioners (RAC) sold in six South-East Asian countries do not meet minimum threshold according to China’s MEPS. The authors modelled...

• Publication date : 2023/10/24
• Subjects: Technology, Developing country

The air conditioning boom in Southeast Asia

Electricity consumption needed for air conditioning in the ten ASEAN countries could quadruple between 2017 and 2040 to reach 300 TWh. But a saving of 110 TWh is possible by doubling during this period the Seasonal Energy Efficiency Ratio of...

• Publication date : 2019/11/29
• Subjects: Figures, economy

Global 2020 air-conditioning market: figures and trends

Beyond the sharp decline in the air conditioning market in 2020 linked to the health crisis, strong trends have emerged: development of health-related functionalities, search for better energy efficiency and...

• Publication date : 2021/02/23
• Subjects: Figures, economy

Measures towards energy-efficient air conditioning in Southeast Asian countries

The IEA projects that electricity demand from air conditioning could reach 300 TWh by 2040 in the ASEAN region (Association of Southeast Asian Nations). Energy efficiency measures...

• Publication date : 2022/05/30
• Subjects: Regulation, Figures, economy

Higher AC setting temperatures to reduce thermal discomfort and energy demand in warm countries

Using data from four cities in India, Philippines, and Thailand, a recent study found that occupants experience thermal discomfort from unnecessarily low air conditioning (AC) temperature settings. Warmer indoor...

• Publication date : 2020/11/27

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

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

China: record temperatures in Beijing increase cooling demand

In June 2023, Beijing recorded its hottest temperatures in 60 years, affecting electricity and cooling demand.

• Publication date : 2023/06/26
• Subjects: General information

Global LNG trade figures for 2023 and early 2024

Global LNG trade grew by 2.1% between 2022 and 2023, connecting 20 exporting with 51 importing markets.

• Publication date : 2024/08/01
• Subjects: Figures, economy

More than one billion people are at high risk due to a lack of access to cooling

The annual Chilling Prospects report estimates that 355 million people living in poor rural areas and 732 million people living in poor urban areas are at risk due to a lack of access to cooling worldwide....

• Publication date : 2021/05/31
• Subjects: Developing country

World air-conditioning market in 2019

Despite a decline of -0.8% in sales globally, many markets performed well in 2019. Inverter technology and smart air conditioners are steadily gaining ground globally while sales of R32 systems are increasing...

• Publication date : 2020/03/01
• Subjects: Figures, economy

Highlights: the 25th IIR Congress 2019 brings together over 850 delegates

The congress attracted over 650 papers, including 530 oral presentations, 72 posters, 17 keynotes and 1 plenary session, as well as 9 workshops, 10 IIR Commission and Working Group meetings, and 4 technical tours.

• Publication date : 2019/09/12

IIR engages in COP13/MOP36 and COP29 to highlight the key role of sustainable refrigeration for all in handling climate change

Two major events in the fight against climate change and protecting the future of our planet, COP13/MOP36 and COP29, are held in October and November. The IIR is taking part in these United Nations conferences...

• Publication date : 2024/10/31
• Subjects: Regulation, Environment, General information

Conference overview: Sustainable Management of Refrigeration Technologies in Marine and Off-Shore Fisheries Sectors

In partnership with the UNEP, ASHRAE and UNIDO, the IIR organised a conference in Bangkok (Thailand) in April 2017 on the Sustainable Management of Refrigeration Technologies in the Marine Sector and Offshore Fisheries.

• Publication date : 2017/05/31

Hydrocarbon refrigerants

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...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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

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 : French, English
• Themes : Freezing of foodstuffs