evacuated Dewar

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• Dewar flask — See also: Vacuum flask Dewar flask. (Deutsches Museum, Munich). A Dewar flask is a vessel designed to provide very good thermal insulation. For instance, when filled with a hot liquid, the vessel will not allow the heat to easily escape, and the… …   Wikipedia

• dewar vessel — noun see dewar * * * a container with an evacuated space between two walls that are highly reflective, capable of maintaining its contents at a near constant temperature over relatively long periods of time; thermos. Also called Dewar, Dewar… …   Useful english dictionary

• Dewar vessel — a container with an evacuated space between two walls that are highly reflective, capable of maintaining its contents at a near constant temperature over relatively long periods of time; thermos. Also called Dewar, Dewar flask. [1900 05; named… …   Universalium

• dewar — noun A vacuum flask; a vessel which keeps its contents hotter or cooler than their environment without the need to modify the pressure, by interposing an evacuated region to provide thermal insulation between the contents and the environment. Syn …   Wiktionary

• Dewar flask — /ˈdjuə flask/ (say dyoohuh flahsk) noun a double walled silvered glass flask in which the space between the walls is evacuated, used for storing liquids at a low temperature, especially liquid air. {named after Sir James Dewar} …  

• Vacuum flask — Thermos redirects here. For other uses, see Thermos (disambiguation). This article is about the vacuum insulated flask. For the flask used in filtration under vacuum, see Büchner flask. Domestic vacuum flask, used for maintaining the temperature… …   Wikipedia

• vacuum flask — also called  Dewar Vessel, or Thermos Flask,         vessel with double walls, the space between which is evacuated. It was invented by the British chemist and physicist Sir James Dewar (Dewar, Sir James) in the 1890s. Thermos is a proprietary… …   Universalium

• Solar thermal collector — A solar thermal collector is a solar collector specifically intended to collect heat: that is, to absorb sunlight to provide heat. Although the term may be applied to simple solar hot water panels, it is usually used to denote more complex… …   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

• United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …   Universalium

• Braidfauld — Coordinates: 55°50′35″N 4°10′59″W / 55.84308°N 4.18313°W / 55.84308; 4.18313 …   Wikipedia