cryocooler

cryocooler

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  • Cryocooler — Cryocoolers are the devices used to reach cryogenic temperatures by cycling certain gases. A cryostat is likely to be used to reach and/or maintain similar conditions or keep some environment in cryogenic stasis. Through the use of cryocoolers,… …   Wikipedia

  • Promession — is an ecologically conscious method for disposing of human remains by freeze drying. It was invented and patented in 1999 by the Swedish biologist Susanne Wiigh Mäsak.The method is based on three steps: # Reducing the body of the deceased to a… …   Wikipedia

  • Pulse tube refrigerator — The Pulse tube cryocooler is a developing technology that emerged largely in the early 1980 s with a series of other innovations in the broader field of Thermoacoustics. In contrast with other cryocoolers (eg Stirling cryocooler and Gifford… …   Wikipedia

  • Near Infrared Camera and Multi-Object Spectrometer — The gas giant Uranus showing cloud bands, rings, and moons of the Uranian system, taken with NICMOS in 1998 …   Wikipedia

  • Cryostat — NASA s WISE infrared instrument is kept cold by a cryostat. The cryostat can be seen at the top of the spacecraft. A cryostat (from cryo meaning cold and stat meaning stationary) is a device used to maintain cold cryogenic temperatures. Low… …   Wikipedia

  • Dry dilution refrigerator — A dry dilution system A dry (or cryogen free) dilution refrigerator is a type of dilution refrigerator that does not require the use of any external cryogens, in particular liquid helium, to operate. In the traditional design of a dilution… …   Wikipedia

  • Cryopump — A cryopump is a vacuum pump that traps gases and vapours by condensing them on a cold surface. They are only effective on some gases, depending on the freezing and boiling points of the gas relative to the cryopump s temperature. They are… …   Wikipedia

  • Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …   Wikipedia

  • Gran Telescopio Canarias — The Gran Telescopio Canarias (GTC) ( Great Telescope Canary Islands ), sometimes called Gran TeCan , is a 10.4 m reflecting telescope and is undertaking commissioning observations at the Observatorio del Roque de los Muchachos on the island of La …   Wikipedia

  • James Webb Space Telescope — General information Organization NASA[1], with significant contributions from ESA and CSA …   Wikipedia

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