Cryogenics for the Large Hadron Collider (LHC).
Author(s) : LEBRUN P.
Type of article: Article
Summary
The LHC, a 26.7 km circumference superconducting accelerator equipped with high-field magnets operating in superfluid helium below 1.9 K, has now fully entered construction at CERN, the European Laboratory for Particle Physics. The LHC also makes use of supercritical helium for nonisothermal cooling of the beam screens which intercept most of the dynamic heat loads at higher temperature. Although not used in normal operation, liquid nitrogen will provide the source of refrigeration for precooling the machine. Refrigeration for the LHC is produced in eight large refrigerators, each with an equivalent capacity of about 18 kW at 4.5 K, completed by 1.8 K refrigeration units making use of several stages of hydrodynamic cold compressors. The cryogenic fluids are distributed to the cryomagnet strings by a compound cryogenic distribution line circling the tunnel.
Details
- Original title: Cryogenics for the Large Hadron Collider (LHC).
- Record ID : 2001-0646
- Languages: English
- Source: IEEE Trans. appl. Supercond. - vol. 10 - n. 1
- Publication date: 2000/03
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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- Date : 2000/04/05
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- Date : 2019/05/08
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- Source: Cryogenics 2019. Proceedings of the 15th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
- Formats : PDF
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