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New framework aims to standardise research on evaporative cooling technologies
Evaporative cooling is gaining increasing attention as an energy-efficient alternative to conventional air conditioning. A new scientific study by an international team of researchers, including Anna Pacak,...
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2 958 news
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.
HFC phase-down: update on the Kigali Amendment and the EU F-gas Regulation
In the European Union, the F-gas Regulation’s objectives were broadly respected in 2017; at an international level, the Kigali Amendment came into force on January 1, 2019, with currently 67 ratifying states.
Promising performances for a PCM used in refrigerated transport
British and Chinese scientists collaborated to develop a refrigerated container which can keep the inside temperature between 5 and 12°C for up to 120 hours.
A possible major step in the quest of room-temperature superconductivity
Two researcher teams have just reported experiments indicating that a hydride of lanthanum compressed to 1.7 to 1.85 million bar has a critical temperature of 250–260 K (-23 – -13°C).
IJR highlights: latest R&D results regarding household refrigerators
Vacuum insulation panels, mini-channel condensers and PCMs: 3 areas of research and development to reduce the energy consumption ofhousehold refrigerators.
The European heat pump market is still rising
According to the EHPA, heat pump sales in Europe increased by 13.1% in 2017 and this upward trend continued in 2018. Heat pumps installed in Europe contributed to 29.8 Mt of CO2 emission savings in 2017.
New cryogenic methods to control indoor air pollution
The journal Science of the Total Environment will publish in February 2019 an article exploring the capacity of cryogenic technologies to tackle indoor air pollution.
Great potential for solar district cooling in Saudi Arabia
A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.
Experimentation of a film rejecting 70% of solar heat
A team of researchers explored the ability of a phase-change material film set on windows to reject incoming solar heat.
A semi-hermetic ammonia heat pump for heating and cooling an office complex
An innovative semi-hermetic ammonia heat pump for heating and cooling 40,000 m2 of apartments and business premises was recently installed in Eindhoven, the Netherlands.
The RAC sector in Australia: a key part of the economy
Based on the findings of the recent “Cold Hard Facts 3” report, the refrigeration and air-conditioning sector represents around 300,000 people employed in more than 20,000 businesses (+72% compared with 2012 figures).
A sustainable refrigeration solution for the urban delivery market
A US company was awarded for refrigeration units using rechargeable batteries or solar panels to allow for a complete off-engine operation when vehicles are at delivery stops.
Award for the first air-conditioned building in the UK
Opened in 1903, the Royal Victoria Hospital’s air conditioning system is seen as a milestone in the history of environmental engineering, cleaning the air and controlling both temperature and humidity in the hospital for the comfort of staff and...
Best practice guide for flammable refrigerant use
AREA, ASERCOM, EFCTC and EPEE have joined together to prepare a leaflet urging contractors to prepare for a future with flammable refrigerants.
THRIVE project explores new developments for adsorbtion heat pumps
Launched in 2014, the four-year project THRIVE was funded by the Swiss National Science Foundation (SNSF) to investigate adsorption heat pumps and to develop a system powered by waste heat.
