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The superfluid helium cryogenic system for the LHC test string: design, construction and first operation.

Author(s) : BEZAGUET A., CASAS-CUBILLOS J., FLEMSAETER B., GAILLARD-GRENADIER B., GOIFFON T., GUINAUDEAU H., LEBRUN P., MARQUET M., SERIO L., SURACI A., TAVIAN L., WEELDEREN R. van

Summary

Based on the existing large-capacity cryogenic infrastructure, the authors have designed, built and are operating a dedicated cryogenic system feeding the large hadron collider (LHC) test string, with installed capacities of 120 watts to 1.8 K and 10 g/s supercritical helium at 4.5 K. The system also includes 15 and 1.6 kiloA, and 500, 250 and 50 A current lead pairs of powering of main and auxiliary magnet circuits, as well as a 120-kilowatt liquid nitrogen vaporizer for controlled cooldown of the 100,000 cold mass.

Details

  • Original title: The superfluid helium cryogenic system for the LHC test string: design, construction and first operation.
  • Record ID : 1997-2613
  • Languages: English
  • Source: Advances in cryogenic engineering.
  • Publication date: 1996/07/17
  • Document available for consultation in the library of the IIR headquarters only.

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