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Evaluación energética de un refrigerador de tipo doméstico sometido a diferentes condiciones ambiente.

Energy assessment of a household refrigerator under different ambient conditions.

• Author(s) : GALICIA ROSAS C. A., MERLÍN SORIA L. A., OCADIZ R. A., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Temperature, Household refrigerator, Pressure, Energy efficiency, Refrigerant, Ambient condition
• 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

A comprehensive framework for lifetime battery aging assessment considering electric vehicle driving behavior and ambient conditions.

• Author(s) : SHELLY M. R., WEIBEL J. A., ZIVIANI D., GROLL E. A.
• Publication date: 2022/07/10
• Languages : English
• Keywords : Electric vehicle, Battery, Lifetime, Ambient condition, Modelling, Simulation
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Recommended by the IIR / IIR document

Lubricating condition evaluation of the rotary compressor under high ambient temperature.

• Author(s) : WANG C., WU J., DU Y., LEI B.
• Publication date: 2020/10
• Languages : English
• Keywords : Lubricant, Hydrocarbon, R290, Propane, Air conditioner, Simulation, Viscosity, Hot climate, Ambient condition, Rotor, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
• Formats : PDF

IIR document

Research of mixed refrigerant cycle for liquefaction of natural gas depending on ambient conditions and its regulation.

• Author(s) : KROSTOV A., KOLESNIKOV A., SAMOKHVALOV Y., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Liquefaction, Simulation, Optimization, Mixture, LNG, Natural gas, Testing, Refrigerant, Ambient condition
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

A study of a low pressure ratio vapor injection scroll compressor for electric vehicles under low ambient conditions.

• Author(s) : ZHANG X., SU L., LI K.
• Publication date: 2021/11
• Languages : English
• Keywords : Electric vehicle, Scroll compressor, Ambient condition, Temperature, Expérimentation, Calculation, Injection, Heating, Heat pump, Performance, COP, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
• Formats : PDF

IIR document

Theoretical dehumidification capacity of acorn nutshell-based activated carbon under two Asian urban cities’ ambient air condition.

• Author(s) : CHAIRUNNISA C. Z., MIKSIK F., MIYAZAKI T., THU K., MIYAWAKI J., NAKABAYASHI K., WIJAYANTA A. T., RAHMAWATI F.
• Publication date: 2021/11
• Languages : English
• Keywords : Indoor environment, Relative humidity, Activated carbon, Dehumidification, Desiccant, Regeneration, Case study, Asia, Japan, Indonesia, Ambient condition, Humid climate, Adsorption
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
• Formats : PDF

IIR document

Analysis on the application of air cycle heat pump system with compressed natural gas pressure potential energy recovery for high temperature heating under low ambient temperature conditions.

• Author(s) : ZHAN B., WANG Z., SHAO S., XU Z., YANG Y., LI J., GOU X.
• Publication date: 2023/04/05
• Languages : English
• Keywords : Natural gas, Ambient condition, High temperature, Heating, Heat pump, Air cycle, Expérimentation, Test rig
• Source: 3^rd IIR conference on HFO Refrigerants and low GWP Blends. Shanghai, China.
• Formats : PDF

IIR document

Low GWP R22 replacement for air conditioning in high ambient conditions.

• Author(s) : SETHI A., BECERRA E. V., YANA-MOTTA S. F., et al.
• Publication date: 2015/09
• Languages : English
• Keywords : Thermodynamics, R407C, Low GWP, R22, Substitute, Performance, Middle East, Environment, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
• Formats : PDF

Um curso de ensino à distância sobre conforto ambiental interior em edifícios.

Remote training session on the room comfort inside buildings.

• Author(s) : GAMEIRO DA SILVA M., DIAS PEREIRA L., DIAS CARRILHO J. A., et al.
• Publication date: 2016/05/03
• Languages : Portuguese
• Keywords : Training, Building, Thermal comfort, Ambient condition
• 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

IIR document

Experimental study on startup characteristics of a R290 room air conditioner under various ambient temperatures.

• Author(s) : WANG C., WU J., DU Y., et al.
• Publication date: 2020/01
• Languages : English
• Keywords : Air conditioner, R290, Propane, Starting, Ambient condition, Compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 109
• Formats : PDF

IIR document

Improvements on efficiency and reliability of CO₂ TC systems.

• Author(s) : RIVET P.
• Publication date: 2023/08/21
• Languages : English
• Keywords : CO2, R744, Transcritical cycle, Ambient condition, Performance, COP, Reliability
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

Recommended by the IIR

Review of Residential Air Conditioning Systems Operating under High Ambient Temperatures.

• Author(s) : ALAWADHI M., PHELAN P. E.
• Publication date: 2022/04
• Languages : English
• Keywords : Air conditioning, Hot climate, Residential sector, COP, Low GWP, Cooling capacity, Review, Energy efficiency, World
• Source: Energies - 15 - 8
• Formats : PDF

IIR document

Rotary magnetic regenerator design and assembly.

• Author(s) : SCARPA F., TAGLIAFICO L. A., GIGANTE M.
• Publication date: 2016/09/11
• Languages : English
• Keywords : Magnetic refrigerator, Magnetocaloric cooling, Design, Regenerator, Simulation, Ambient condition
• Source: 7^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
• Formats : PDF

IIR document

Room-temperature magnetic refrigeration: from basic research to development for application.

• Author(s) : SAITO A. T., NAKAGOME H.
• Publication date: 2016/09/11
• Languages : English
• Keywords : Magnetocaloric material, Magnetocaloric cooling, Regeneration, Performance, Modelling, Ambient condition
• Source: 7^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
• Formats : PDF

Sensitivity analysis for the PMV thermal comfort model and the use of wearable devices to enhance its accuracy.

• Author(s) : HASAN M. H., ALSALEEM F., RAFAIE M.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Clothing, Metabolism, Modelling, Mobile equipment, Thermal comfort, Ambient condition
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

R410A/R22 alternatives for AC in high-ambient temperature environments: R32 and R290

The final US Oak Ridge National Laboratory report – presented during MOP27 in Dubaï – compares the performance of low-GWP alternative refrigerants to HFC R410A in mini-split air conditioners (ACs) under high-ambient-temperature conditions.

• Publication date : 2016/05/11

Briefs: Electronic air conditioning

David Sattler, from Sattler Consulting, a Melbourne-based firm (Australia) was awarded an AUD 80000 federal government grant to further his work on a new type of air conditioner, allowing for large cooling effects (and a heating potential) with...

• Publication date : 2011/02/11

Briefs: ARTI's 21st Century Research Program

During the 2004 ASHRAE Winter meeting in Anaheim, results from several research projects initiated under the ARTI (Air-Conditioning and Refrigeration Technology Institute) 21st Century Research Program - initiated by ARI (Air-Conditioning and...

• Publication date : 2004/04/28

Mac news: the first service vehicle with a CO2 air-conditioning system

During the IAA Exhibition for commercial vehicles in Hanover on September 24, 2008, the German Environment Agency (UBA) presented the first service vehicle - a standard Volkswagen Touran -equipped with a CO2 air-conditioning system. According to...

• Publication date : 2008/10/25

New solar-cooling technology for cooling-freezing

Refrigeration is often based on compressor technology which consumes electricity. A recently developed system making it possible to achieve relatively low temperatures solely using solar energy has been designed by PROMES, a laboratory working...

• Publication date : 2007/05/04

Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...

• Publication date : 2004/11/24

Direct CO2 emissions generated by the refrigeration sector in Chile

As part of its national inventory submitted to the UNFCCC, Chile reported greenhouse gas emission values for the refrigeration and air conditioning sector.

• Publication date : 2021/08/16
• Subjects: Figures, economy, Developing country, Environment

Cold temperatures, a potential ally against cancer

Exposure to cold temperatures can reduce tumour growth by slowing down the glucose metabolism of cancer cells. 

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

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

Briefs: hub in the Philippines

Haisan resources, a Malaysian logistics group, intends to create a regional hub in the Philippines for the storage of foods under controlled-temperature conditions. Construction is already underway to expand and convert the equipments of Haisan's...

• Publication date : 2006/07/26

New air conditioner system features “3D” camera

Japanese manufacturer Hitachi recently unveiled nine models of residential air conditioners with an unusual feature. The Stainless Clean Shirokuma-kun X series units features the company's "Living Camera 3D" technology.

• Publication date : 2015/05/05

Mobile Air Conditioning: R&D is intensifying

The Mobile Air-Conditioning sector (MAC) is currently in the news. On January 31, 2006, the European Parliament and the Council reached agreement on a Directive (to be transposed at national level) "relating to emissions from air-conditioning...

• Publication date : 2006/05/05

H-fluid as an alternative to HFC-134a?

The new European Directive 2006/40 on emissions from air-conditioning systems in motor vehicles - which bans F-gases with a GWP higher than 150 (such as HFC-134a) as of 2011 for new models of cars - and Californian legislation which is putting...

• Publication date : 2006/11/15

Alternative Cooling Technologies conference, London, 1st February 2005

This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

• Publication date : 2005/02/11

Efficient mine cooling

Bluhm Burton Engineering (BBE) is currently implementing energy management ventilation and refrigeration systems for mines to reduce overall and to manage energy consumption. BBE's Director, Raymond Funnell, has underscored that there is a boom in...

• Publication date : 2008/05/13

FRIDOC now features a selection of MDPI articles on refrigeration

About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.

• Publication date : 2022/07/28
• Subjects: General information

OEWG36: Tough week of negotiations, no agreement except possible additional meetings

OEWG 36 spent much of its time focusing on moving the discussion on HFCs management forward.

• Publication date : 2015/07/29
• Subjects: Regulation

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

INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes

Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway)  to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...

• Publication date : 2021/12/15

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

The IIR launches a call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/10/02
• Subjects: General information

Call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/09/28
• Subjects: General information

New IIR Informatory Note on thermal energy storage systems

IIR’s latest Informatory Note demonstrates that a well-designed TES system can reduce energy consumption through more efficient equipment operation and lower investment costs, thus reducing the equipment...

• Publication date : 2022/01/28

The IIR and the ASHRAE establish new definitions of five keywords in the refrigeration sector

For over a year, a group of experts from the International Institute of Refrigeration (IIR) and the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) have been working together to establish common definitions of...

• Publication date : 2019/03/18

IIR partner in INDEE+

The IIR takes part of the project INDEE+ which aims to support the Indian refrigeration and Air Conditioning sector in the transition towards more sustainable and environmentally friendly...

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

ICR2015: A stimulating environment for dynamic exchanges

With a focus on improving standards and the quality of life of many worldwide, as well as emphasising the importance of preserving the earth through the advancement of refrigeration applications and technology, ICR2015 is expected to attract a...

• Publication date : 2015/04/08

New IIR Informatory Note on Air-source heat pumps for space heating and cooling

The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.

• Publication date : 2021/02/23

Supercooling and superchilling: A solution to increased shelf life and reduced food waste?

If these technologies were combined with perfusion chilling for meat and fish, then additional benefits such as rapid cooling, low weight loss and novel products could result.

• Publication date : 2015/10/27

Small steps towards a giant leap! Parties to the Montreal Protocol continue discussions on HFCs

Last week saw another step towards a global agreement on the phase down of ozone depleting substances, the event started with a buzz around the new amendment proposals to the Montreal Protocol.

• Publication date : 2015/04/29
• Subjects: Regulation

Newsletter INDEE+ | September 2023

The latest news on the INDEE+ project.

• Publication date : 2023/09/22

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

Cold storage conditions for fruits and vegetables

Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

• Last update : 2023/01/16
• Langues : French, English
• Themes : Fruit, Vegetables