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  • News from the space: ammonia air conditioning for International Space Station

    Astronauts from the space shuttle Discovery completed a 6-hour spacewalk outside the International Space Station in September 2009, installing a new ammonia refrigerant tank. They removed an 816 kg ammonia tank from a cargo carrier attached to the...

    • Publication date : 2009/12/09
  • Brief: Freezer in space

    Leonardo, the Multi-Purpose Logistics Module used to transport payloads to the cargo bay of the Space Shuttle Atlantis on mission STS-121 contains a freezer called MELFI (Minus Eighty Degree Laboratory Freezer). MELFI, provided by the European...

    • Publication date : 2005/07/19
  • Briefs: Walking in space

    Interested in spacesuits? Spacesuits have to protect the human body from the extreme conditions encountered in space where temperatures can range from 135°C in direct sunlight to -82°C in areas of shadow. Cooling during spacewalking is provided...

    • Publication date : 2007/02/12
  • NASA’s James Webb Space Telescope

    Cryogenic testing has now been completed for the final 6 primary mirror segments and a secondary mirror that will fly on NASA’s James Webb Space Telescope.

    • Publication date : 2012/08/03
  • News from the space: Hubble

    Following repairs to its cooling system, NASA's Hubble Space Telescope is back in business, uncovering new worlds, peering deeper into space, and mapping the invisible backbone of the universe. The first images from the refurbished Hubble showcase...

    • Publication date : 2009/12/09
  • Briefs: Cryocooling in outer space

    MELFI (Minus Eighty degrees Celsius Laboratory Freezer) has been developed for the International Space Station (ISS) under a European Space Agency (ESA) contract for NASA. It is used to preserve biological and scientific samples until they return...

    • Publication date : 2007/11/20
  • Cryogenic applications: Cooling largest outer-space telescope

    In his presentation on cryogenics applications at the IIR-AFF centenary conference in Paris (see Focus), Philippe Lebrun, President of the IIR's Section A, mentioned cryogenic detectors of cosmic signals and cited Herschel probe as an example. The...

    • Publication date : 2008/08/12
  • Changes in the use of cryogenic propellants in space

    Near-term exploration beyond low Earth orbit will require the use of cryogenic propellants and in-space cryogenic propellant storage durations will exceed our current capabilities by at least two orders of magnitude. This will require the...

    • Publication date : 2012/09/17
  • Briefs: double-effect trigeneration for energy savings in French space centre

    The Centre Spatial de Toulouse, which is part of the French Centre National d'Etudes Spatiales is now equipped with a large-scale trigeneration plant. The Centre comprises 60 buildings and employs 2500 employees and until 2002 also had a huge...

    • Publication date : 2009/12/09
  • Residential CO2 heat pump system for combined space heating and hot water heating

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...

    • Publication date : 2004/11/24
  • CAL - NASA’s Space Cryocooler

    NASA’s new facility, Cold Atom Lab (CAL), expected to reach effective temperatures down to 100 pico-Kelvin (pK), will be used for the study of ultra-cold quantum gases in the microgravity environment on the International Space Station (ISS). (en...

    • Publication date : 2014/07/03
  • Zero refrigerant in occupied spaces thanks to Hybrid-VRF air-conditioning system.

    Mitsubishi Electric launches a Hybrid-VRF (HVRF) air-conditioning system which uses no refrigerant within a buildings' occupied spaces.

    • Publication date : 2013/10/04
  • Vapour compression refrigeration for space applications

    An IJR review paper presents the history of vapour-compression refrigeration systems used in microgravity environments and sets the next steps of research needed to achieve reliable...

    • Publication date : 2021/01/27
  • 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.

    • Publication date : 2019/05/29
  • Space cooling at the heart of energy efficiency policies

    The latest “IEA Energy Efficiency 2018” report stresses that cooling is the fastest growing energy end-use in buildings and calls for further improvements in efficiency gains, especially through raising of minimum energy performance standards.

    • Publication date : 2018/11/22
    • Subjects: General information, Figures, economy
  • 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
  • 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...

    • Last update : 2023/06/23
    • Langues : French, English
    • Themes : LNG and LPG
  • 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