Water jacket

Water jacket

A water jacket is a water-filled void surrounding a device, typically a metal sheath having intake and outlet vents to allow water to be pumped through the void. The flow of water to an external heating or cooling device allows precise temperature control of the device.

Applications

Water jackets are often used in watercooling. They are also used in laboratory glassware - Liebig, Graham and Allihn condensers. In the past, water jackets were used to cool the barrels of machine guns such as the Browning M1917 or Vickers gun. Nowadays, barrels of machine guns are air-cooled to reduce weight and complexity. Water jackets are commonly used around a nuclear power core to contain radiation.

In a reciprocating piston internal combustion engine, like those in a typical automobile, the water jacket is a series of holes either cast or bored through the main engine block and connected by inlet and outlet valves to the radiator.


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  • water-jacket — ● water jacket, water jackets nom masculin (anglais water jacket) Synonyme de jacket. ● water jacket, water jackets (synonymes) nom masculin (anglais water jacket) Synonymes : jacket ⇒WATER JACKET, subst. masc. MÉTALL. Fou …   Encyclopédie Universelle

  • water jacket — A chamber surrounding a vessel or tube in which water may be circulated, thereby regulating the temperature or supply of heat to the vessel. Used in laboratory and manufacturing equipment. [1913 Webster] …   The Collaborative International Dictionary of English

  • water jacket — n. an attached casing holding or circulating water around something to be cooled or kept at a constant temperature, esp. around or through the cylinder head and block of an internal combustion engine …   English World dictionary

  • Water Jacket —   A heat exchanger element enclosed in a boiler. Water is circulated with a pump through the jacket where it picks up heat from the combustion chamber after which the heated water circulates to heat distribution devices. A water jacket is also an …   Energy terms

  • water-jacket — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ transitive verb Etymology: water jacket : to provide with a water jacket * * * /waw teuhr jak it, wot euhr /, v.t. to surround or fit with a water jacket. [1875 80] …   Useful english dictionary

  • water-jacket — /waw teuhr jak it, wot euhr /, v.t. to surround or fit with a water jacket. [1875 80] * * * …   Universalium

  • water jacket — vandeninis apgaubas statusas T sritis radioelektronika atitikmenys: angl. water jacket vok. Kühlwasserhemd, n rus. водяная рубашка, f pranc. gaine à l eau réfrigérante, f …   Radioelektronikos terminų žodynas

  • water jacket — vandens apvalkalas statusas T sritis chemija apibrėžtis Apvalkalinio šilumokaičio dalis, kurioje cirkuliuoja vanduo. atitikmenys: angl. water jacket rus. водяная рубашка …   Chemijos terminų aiškinamasis žodynas

  • water jacket — The area around the cylinder block and head or intake manifold that is left hollow so that water may be admitted for cooling. Also called cooling jacket. Also see cooling system …   Dictionary of automotive terms

  • water jacket — noun Date: 1869 an outer casing which holds water or through which water circulates to cool the interior; specifically the enclosed space surrounding the cylinder block of an internal combustion engine and containing the cooling liquid …   New Collegiate Dictionary

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