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Mauritania joins global effort against climate change as 170th country to ratify the Kigali Amendment
This November, Mauritania ratified the Kigali Amendment which will enter into force in February 2026.
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2 922 news
Alternative refrigerants to high-GWP HFCs
Intensification of international regulations on HFCs such as the Kigali Agreement or the European F-Gas Regulation leads refrigerant manufacturers to search for alternatives to high-GWP HFCs. Focus on some alternatives to R410A and R23.
A bill for HFC recovery in Japan
A bill submitted in January 2019 has just been approved by the Japanese government. It encourages HFC recovery.
Flammable refrigerants: the IEC approves the charge increase in commercial refrigeration
The International Electrotechnical Commission rejected in April a proposal to increase the charge limit of flammable refrigerants in the commercial refrigeration. But a recount has just reversed the decision.
Refrigeration technologies help preserve biodiversity
The role of refrigeration in biodiversity protection is illustrated by two examples: the cryopreservation of coral larvae and the use of refrigeration to fight bee colony collapse.
Ohrid 2019: latest technology trends for ammonia and CO2
Synthesis of several refrigerating installation case studies using ammonia and CO2 based on papers from the recent IIR conference in Ohrid.
Air conditioning: which refrigerant will become the leading alternative to R410A?
R32 is being adopted widely for residential and small commercial air conditioning applications, but R466A, R452B and R454B are promising candidates, especially for larger size systems.
Illegal HFC trade: EIA calls for the implementation of a fully functional licensing system
EIA’s analysis of 2018 customs data suggests that as much as 16.3 million tonnes of CO2 equivalent of bulk HFCs were illegally placed on the market in 2018.
A new concept of more environmentally friendly aircraft
NASA funds an aeronautical research project on a new fuel concept.
Heat flowing from a colder to a warmer body without external intervention
Researchers at the University of Zurich have developed a simple device that allows heat to flow temporarily from a cold to a warm object without external intervention by using a “thermal inductor”.
Squid skin inspires research on next-generation space blanket
Next-generation space blankets could be made of a thermoregulatory material inspired by the functioning of squid skin, which changes color.
India: air conditioning at the heart of transition from HFCs
Focus on the incentives and regulations to phase down HFCs in India.
New record for LNG trade in 2018.
Synthesis of the main trends and figures related to the LNG industry. Data based on the 2019 IGU World LNG Report presented at the 19th International Conference and Exhibition on Liquefied Natural Gas, which was co-organised by the IIR and took...
World compressor market trends
The global compressor market is still dominated by the rotary compressor segment, which has benefited from the rapid growth of the residential air-conditioning market for more than 20 years.
Heat pumps: an approach to select the highest performing refrigerant mixture
One of the most downloaded IJR articles in 2019 concludes that zeotropic mixtures have the potential to significantly improve both the thermodynamic and economic performance of heat pumps in suitable applications.
Refrigeration thanks to plastic crystals
Researchers have found that "plastic crystals" undergo particularly high temperature variations when subjected to pressure changes. These materials could be used for the development of the promising technology of barocaloric refrigeration.
Impact of heat on school results
An American study establishes a relationship between rising temperatures and lower school examination results and highlights the importance of air conditioning.
Energy efficiency comparison of air-conditioning systems in electric vehicles
A study compares the energy efficiency of conventional refrigeration systems with that of heat pumps in mobile air conditioning. R744, R134a and R1234yf are considered. Reversible heat pumps are found the most energy-efficient systems.
Solar energy improves medical healthcare in sub-Saharan Africa
UNDP develops the Solar for Health project in Zambia and Zimbabwe. More than 400 healthcare centres are now equipped with solar panels and the health products' cold chain is preserved.
Purdue conferences highlights: development of high-temperature heat pumps
High-temperature heat pumps are currently subject to intense R&D work, as illustrated by several papers presented at Purdue last year. All Purdue papers can now be downloaded from the Fridoc database.
World’s most powerful MRI machines push the limits of human imaging
Latest MRI machines, developed in the US and in France and designed to operate under ultra-high magnetic strength thanks to giant superconducting magnets, should notably allow major advances in the understanding of neurological diseases.
Quantum refrigerators: research is making progress
Two recent studies illustrate the progress of research on quantum refrigerators. Cooling applications for microelectronic compounds could be considered.
World air-conditioning market: figures and technical trends
The global air conditioning market, which slowed down in 2018, was characterised by several trends: accelerated penetration of inverter technology, confirmation of R32 as alternative refrigerant, penetration of smart air conditioners.
The hidden cold chain behind Valentine’s Day roses
The average journey of a Valentine’s rose, from harvesting in South America to the point of sale in the US, is 10-12 days during which the role of refrigeration is essential.
The tax on HFCs officially adopted in France
French tax on HFCs, officially adopted on December 30, 2018, will enter into force in 2021. Companies can already get a 40% income tax discount if they use alternatives to HFCs.
Discovery of an 18th century ice-well in London
A huge subterranean ice house dating from the 1780s, recently uncovered in central London, has been designated as a scheduled monument by Historic England.
