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Système cryogénique du Wiggler MAX.

Cryogenic system of the MAX-Wiggler.

Auteurs : WALLÉN E., LEBLANC G.

Type d'article : Article

Résumé

The MAX-Wiggler is a cold bore superconducting wiggler magnet with 47 3.5 T poles and a period length of 61 mm aimed for the production of X-rays at the 1.5 GeV electron storage ring MAX-II at MAX-lab. This note describes the cryogenic system of the MAX-Wiggler, theoretical predictions of the heat loads to the cryostat, and measured heat loads at operation. The cryostat is a helium-cooled bath type cryostat. The design criterion for the cryostat was to have a liquid He boil-off less than 3 l/h. The measured heat load to the liquid He bath is larger than predicted from the theoretical calculations and at nominal working conditions it is 1.7 W. The measured contribution to the total heat load from the stored beam of 200 mA in MAX-II is 0.86 W, 0.59 W from image currents and 0.26 W from synchrotron radiation.

Détails

  • Titre original : Cryogenic system of the MAX-Wiggler.
  • Identifiant de la fiche : 2005-1108
  • Langues : Anglais
  • Source : Cryogenics - vol. 44 - n. 12
  • Date d'édition : 12/2004

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