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  • Ultracold polar molecules

    Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...

    • Publication date : 2008/10/22
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  • Data centre cooling

    Data processing environments were estimated in 2006 to consume about 1.5% of the total electricity in the US. Data centre power consumption has roughly doubled in the last 5 years and is expected to double again in the next 5 years to more than...

    • Publication date : 2009/02/25
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  • Superconductivity for aircrafts?

    NASA recently published plans for the development of aircraft using superconductivity for a time frame around 2030. This could allow for noise reduction, improved carbon footprint and energy savings. The main advantage of HTS machines is that they...

    • Publication date : 2010/03/07
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  • Hydrogen technology: Global Observer

    Demand for unmanned aerial vehicles is soaring and companies are racing to produce systems that fly higher for longer periods and can carry heavier payloads. AeroVironment Inc.'s Global Observer can fly at around 20 000 m for as long as a week and...

    • Publication date : 2007/11/20
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  • Fermidable

    In a team led by Wolfgang Ketterle, a nobel laureate, MIT (Massachusetts Institute of Technology) scientists have been the first to create "a new type of matter", a gas of atoms that shows high-temperature superfluidity. A superfluid gas can flow...

    • Publication date : 2005/10/26
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  • Brief: 12th c-dig meeting

    Uusikaupunki in Finland was the setting for the 12 th c-dig meeting in April 2005 attended by 55 delegates. Roughly half the presentations were by Finnish companies, reflecting the tremendous focus on carbon dioxide in the region in recent years....

    • Publication date : 2005/06/14
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  • Underground storage of liquid CO2

    Dispensing of CO2 by storing it underground usually implies placing it in aquifer rocks deep enough (-800 m) to achieve sufficient pressure to maintain the CO2 in a supercritical (fluid) phase. This approach has many shortcomings as in this form,...

    • Publication date : 2006/11/15
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  • Refrigerated storage trends

    Several cold store building projects illustrate trends currently observed in the refrigerated storage field: - by building in Harnes the largest cold store in France, frozen chip producer Mc Cain intends to house under one roof in April 2010 its...

    • Publication date : 2009/05/18
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  • Liquid hydrogen as a transportation fuel

    With ever-rising petrol prices and global warming issues, alternative fuels for transportation are high up on the priority list. Hydrogen is already used for this purpose in fuel cell vehicles, but liquid-hydrogen-automobile technology is...

    • Publication date : 2006/11/15
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  • Cooling the world’s largest supercomputers

    Direct liquid cooling is a highly energy-efficient solution for cooling supercomputers capable of performing millions or billions of billions of calculations per second. Here are two examples in the United States and France.

    • Publication date : 2019/12/30
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  • 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...

    • Publication date : 2021/10/22
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  • Cooling solutions for hybrid electric aircraft

    The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...

    • Publication date : 2023/08/25
    • Subjects: Technology
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    Eviation Alice electric aircraft

  • Low temperature transport and storage solutions for COVID-19 vaccines

    Presentation of two options suitable for mRNA vaccines: one using a traditional refrigerated container adapted to storage at -35°C extending the shelf life of dry ice by 2.5 times, the other based on PCM...

    • Publication date : 2022/01/28
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  • Noise reduction strategies for screw compressors

    The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...

    • Publication date : 2021/05/31
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  • The challenges of thermal management of next-generation electronic equipment

    With the increasing integration and miniaturization of electronic devices, the heat flows they generate are constantly increasing. Spray cooling has many advantages in this regard. 

    • Publication date : 2023/03/27
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    Electronic chip
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  • 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
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  • Additive manufacturing of heat exchangers

    In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

    • Last update : 2022/09/07
    • Langues : French, English
    • Themes : Evaporators, condensers and other heat exchangers
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  • Additive manufacturing of regenerators for caloric cooling

    In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

    • Last update : 2022/09/16
    • Langues : French, English
    • Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)
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  • 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...

    • Last update : 2022/06/22
    • Langues : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
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