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Abstract

Disruptions can cause serious damages to tokamaks, and the threat they posses gets increasingly severe as the size of the machines increases towards fusion reactors. The plasma energy is lost on the first wall within a few milliseconds, resulting in forces of several hundred tons being applied to structures. Furthermore, a significant fraction of the plasma current can be converted into runaway electrons that are accelerated up to energies in the region of 50 MeV. Mitigation techniques are thus required, and several possibilities are being studied on present day machines. In particular their applicability for ITER is being assessed.

Additional information

Authors: SAINT-LAURENT F, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);MARTIN G, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);BUCALOSSI J, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);SOURD F, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);ERIKSSON L G, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: An oral paper given at: 32nd EPS Conference on Controlled Fusion and Plasma Physics Organised by: Asociación EURATOM-CIEMAT para Fusión Held at: Congress Palace of Tarragona, Tarragona (ES)
Availability: Available from Association EURATOM-CEA, Departement de Recherches sur la Fusion Controlee, CEA Cadarache, F-13108 St Paul-Lez-Durance, FranceL%Tel: (+33) 4 42 25 70 01; Fax: (+33) 4 42 25 64 21 E-mail: dirdrfc@drfc.cad.cea.fr
Record Number: 200518276 / Last updated on: 2005-07-26
Category: PUBLICATION
Original language: en
Available languages: en