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air gap |
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air gap [′er ‚gap] (electronics) A gap or an equivalent filler of nonmagnetic material across the core of a choke, transformer, or other magnetic device. A spark gap consisting of two electrodes separated by air. The space between the stator and rotor in a motor or generator. (engineering) The distance between two components or parts. In plastic extrusion coating, the distance from the opening of the extrusion die to the nip formed by the pressure and chill rolls. The unobstructed vertical distance between the lowest opening of a faucet (or the like) which supplies a plumbing fixture (such as a tank or washbowl) and the level at which the fixture will overflow. (geology) (petroleum engineering) In an offshore drilling operation, the distance from the normal sea surface level to the bottom of the base of the drilling platform. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | ||
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| An air gap between the heaters and the barrel allows for a
high-speed draft of air (over 6000 ft/min) for rapid cooling. When an electron beam enters a material (this includes the
accelerator exit window, the air gap and the material being irradiated),
the energy of the accelerated electron is greatly altered. The 25 micro meter Kapton window on
the exit aperture of the beam pipe, an identical Kapton window on the
entrance aperture of the detector, and a 155 mm air gap between these
two windows degraded the electron energy to 976 keV. |
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