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Cryogénie pour l'European Spallation Source.

Cryogenics for the European Spallation Source.

Numéro : pap. n. 095

Auteurs : WANG X. L., KOETTIG T., GALLIMORE S., et al.

Résumé

The European Spallation Source (ESS) is an intergovernmental project building a multidisciplinary research laboratory based upon the world’s most powerful neutron source. The main facility will be built in Lund, Sweden. The ESS linear accelerator (linac) will deliver protons with 5 MW of power to the target at 2.5 GeV, with a nominal current of 50 mA. Three fully independent refrigerators are foreseen to guarantee the necessary cooling capacity for the entire facility. The superconducting part of the linac consists of a total of 208 niobium cavities cooled with superfluid helium to 2 K. The cryogenic hydrogen moderators in the target will operate at around 20 K under supercritical conditions. The instruments and test stand cryoplant combines liquefaction for the instruments at 4.5 K and the occasional helium refrigeration for the two cryomodule (CM) test benches. This paper describes the baseline considerations, the conceptual design, the key cryogenic components and the preliminary heat load estimates for the cryogenic supply of ESS project.

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Format PDF

Pages : 46-51

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    20 €

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Détails

  • Titre original : Cryogenics for the European Spallation Source.
  • Identifiant de la fiche : 30005407
  • Langues : Anglais
  • Source : Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
  • Date d'édition : 11/09/2012

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