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Abstract

Equilibrium reconstruction is the essential tool for determining the field structure and current density in a tokamak discharge. For performance reasons, tokamaks are designed to provide a field structure which is close to being axisymmetric around the torus axis. Due to the limited number of toroidal field coils, there are however small deviations from the axisymmetry, the magnetic field ripple. We present a generally applicable algorithm for the calculation of the three-dimensional perturbed field due to the ripple.

Additional information

Authors: ZWINGMANN W, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);MOREAU P, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);SAINT-LAURENT F, 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: 200518272 / Last updated on: 2005-07-26
Category: PUBLICATION
Original language: en
Available languages: en