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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.
Recommended by the IIR / IIR document
Lubricating condition evaluation of the rotary compressor under high ambient temperature.
A comprehensive framework for lifetime battery aging assessment considering electric vehicle driving behavior and ambient conditions.
IIR document
Research of mixed refrigerant cycle for liquefaction of natural gas depending on ambient conditions and its regulation.
A packaged waste-heat driven ammonia-water absorption chiller for severe ambient operation.
Start-up characteristics of a R290 rotary compressor for an air source heat pump under low ambient temperature condition.
A study of a low pressure ratio vapor injection scroll compressor for electric vehicles under low ambient conditions.
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.
Relationship between the amount of frost on food and food temperature and ambient temperature in household refrigerators.
Um curso de ensino à distância sobre conforto ambiental interior em edifícios.
Remote training session on the room comfort inside buildings.
Experimental study on startup characteristics of a R290 room air conditioner under various ambient temperatures.
Rotary magnetic regenerator design and assembly.
Room-temperature magnetic refrigeration: from basic research to development for application.
Sensitivity analysis for the PMV thermal comfort model and the use of wearable devices to enhance its accuracy.
Improvements on efficiency and reliability of CO2 TC systems.
Refrigeration sector monitoring
31 results
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.
Cold temperatures, a potential ally against cancer
Exposure to cold temperatures can reduce tumour growth by slowing down the glucose metabolism of cancer cells.
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...
Heat pump systems for HVAC in electric vehicles
Heat pump systems offer an energy efficient option for HVAC in electric vehicles. Recent studies present innovative technologies to further improve the heating and cooling performance of heat pump systems as...
IIR GL2020 conference: Range of CO2 applications
Almost half of the presentations at the IIR Gustav Lorentzen conference in Kyoto focused on CO2, in commercial refrigeration systems but also in many other applications. Overview of these...
The benefits of thermal energy storage for cold chain applications
Several presentations at the IIR ICCC 2022 conference focused on the potential applications of Thermal Energy Storage (TES) and Phase-Change Materials (PCMs) and highlighted the...
Alternatives to replace R404A for refrigerated transport
With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...
Benefits of closed display cabinets for food preservation
A recent article in the IJR shows that in comparison to an open display cabinet, a closed display cabinet achieves lower product temperature and better temperature homogeneity, even with a high door-opening frequency.
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.
Design and operation of district heating and cooling systems supplied by renewable energy sources
A report published by the European Commission analyses 8 efficient district heating and cooling systems in different Member States.
A refrigeration system to produce freshwater in arid areas
A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...
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.
Automotive air conditioning: which refrigerant for electric cars?
Different alternatives exist today to replace R134a in automotive air conditioning systems. Update on possible solutions for electric cars.
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.
Solar ejector refrigeration systems: benefits and latest developments
Two IJR articles present the latest advancements in this technology and in particular the advantages of variable geometry ejectors and low-GWP refrigerants in terms of performance.
IIR news
19 results
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...
Upcoming cutting-edge IIR events for 2016
IIR conference activities in 2016 show a promising choice of events covering cutting-edge refrigeration themes from refrigerants to energy issues.
IIR conference activities in 2016 show a promising choice of events
IIR conference activities in 2016 show a promising choice of events covering cutting edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.
Highlights from the 46th Montreal Protocol OEWG: Addressing Ozone Depletion and Climate Change Challenges
The 46th meeting of the Open-ended Working Group (OEWG) of the Parties to the Montreal Protocol took place in Montreal from 8 to 12 July 2024. The IIR took part of the event.
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...
Check out the upcoming cutting edge IIR events for 2016
IIR conference activities in 2016 show a promising choice of events.
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.
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.
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.
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...
Call to action to adopt 5 internationally established refrigeration terms!
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...
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.
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...
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...
Encyclopedia of Refrigeration
3 results
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...
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...
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...
