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LCCP analysis of energy-saving effect of defaulting to recirculated cabin air in EV mobile air conditioning system.
IIR document
Cost-sensitive and sequential feature selection for chiller fault detection and diagnosis.
Effect of common faults on the performance of different types of vapor compression systems.
A figure of merit for overall performance and value of AFDD tools.
Numerical simulation and experimental validation of a fan failure caused by vibration.
Study of a piston force based F-V diagram monitoring method for reciprocating compressors.
Optimal design of tests for heat exchanger fouling identification.
Lab and field evaluation of fault detection and diagnostics for advanced roof top units.
Development of an embedded RTU FDD system using open-source monitoring and control platform.
A probabilistic framework to diagnose faults of air handling units.
Improving the performance of PCA-based chiller sensor fault detection by sensitivity analysis for the training data set.
Double-layer rotor magnetic shield performance analysis in high temperature superconducting synchronous generators under short circuit fault conditions.
Experimental study of liquid line temperature drop as a fault feature for detecting severe liquid line restrictions in residential air conditioning systems.
An enhanced chiller FDD strategy based on the combination of the LSSVR-DE model and EWMA control charts.
Chiller fault diagnosis with the technology of imbalanced data.
Refrigeration sector monitoring
20 results
The Indian government implements a default temperature setting on room air conditioners
The Indian Government has imposed a default temperature setting of 24 °C on room air conditioners with effect from January 1, 2020.
24 °C in Mumbai
The Indian Government has launched a campaign to raise the default temperature of air-conditioning units to 24°C.
HFC alternatives: insufficient training in Europe
An AREA survey shows that in the EU, only 3.5-7% of F-Gas certified personnel are trained in the use of low-GWP refrigerants, depending on the alternative used.
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...
Kenya launches National Cooling Action Plan
On 14 June 2023, Kenya’s Ministry of Environment, Climate Change, and Forestry officially launched the National Cooling Action Plan for Kenya (NCAP) which includes a review of the Kenyan...
Midea launches R290 split ACs on the European market
In autumn 2021, Midea, corporate member of the IIR, began marketing R290 split air-conditioning units in Europe. Further imports are planned for early 2022.
Recycling could significantly cut down emissions from HFC production
A team of researchers estimated that with 30% of recycled refrigerants in the annual output, CO2 emissions from the production of R134a could be reduced by about a...
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...
The development of district cooling in China
Like the huge project under construction in Shenzhen, district cooling in China has a great potential for development, given the energy benefits it offers and the strong growth in commercial...
Refrigeration now at the heart of international discussions
The recent G7 meeting in France and the United Nations Climate Action Summit 2019 in the US illustrate the growing importance of the refrigeration sector in international discussions.
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...
Newly revised efficiency standards for ACs in Brazil and India
Stringent minimum energy performance standards (MEPS) for air-conditioning (AC) equipment contribute to cutting down the energy demand for ACs globally. Setting up and periodically revising energy efficiency...
Packaging innovations
Plant-based food packaging Biodegradable packaging looks set to be the way of the future. A sharp rise in demand for natural products and healthier food added to the stability of maize prices versus those of petroleum-based polymers have...
The LNG industry in 2012: key figures
According to GIIGNL, in 2012, global LNG imports nets of reload reached 236.3 Mt, a 1.9% decrease compared to 2011.
Increase of 12% of world LNG trade in 2017
Now published on an annual basis, the 2018 IGU World LNG Report provides key insights into LNG industry developments through the end of calendar year 2017.
IIR news
1 result
Find the content of the IIR website in all languages!
Did you know ? Most Internet browsers have built-in translation tools. The IIR explains how to do this, so that you can read its content in all languages!
Encyclopedia of Refrigeration
5 results
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
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...
Ice cream manufacturing, environmental impact and market data
From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...
