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Transition de bobines de champ poloidal d'ITER: influence de certains paramètres de mise en oeuvre sur les signaux de détection thermo-hydrauliques et impact principal sur le système cryogénique.

Quench of ITER Poloidal Field Coils: Influence of some initiation parameters on thermo-hydraulic detection signals and main impact on cryogenic system.

Auteurs : NICOLLET S., BESSETTE D., CIAZYNSKI D., et al.

Type d'article : Article

Résumé

In case of a magnet quench, the primary quench detection system is classically based on voltage detection. In addition, a secondary quench detection is required and it could rely on signals of thermohydraulic nature. A model based on the coupled GANDALF [1] and FLOWER [2] codes has been developed in previous papers for the Central Solenoid [3] and [4], and for the Toroidal Field Coils [5] and [6] of ITER. This study focuses on Poloidal Field Coil PF5 as it has the highest magnetic field value along the conductor. Results of some parametric studies are presented and the influence of the initiation parameters of the quench (energy, location and length of heat deposition, time duration for detection). The possibility of a secondary thermohydraulic detection and the main impact on cryogenic system are analyzed and discussed.

Détails

  • Titre original : Quench of ITER Poloidal Field Coils: Influence of some initiation parameters on thermo-hydraulic detection signals and main impact on cryogenic system.
  • Identifiant de la fiche : 30008457
  • Langues : Anglais
  • Source : Cryogenics - vol. 53
  • Date d'édition : 01/2013
  • DOI : http://dx.doi.org/10.1016/j.cryogenics.2012.05.005

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