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Abstract

Ideal MHD restricts both the current and the pressure which can be stably confined in a Tokamak. A pressure profile optimisation is carried out for a variety of equilibria, which include JET and INTOR like plasmas, in order to obtain the maximum beta which can be stably confined at constant current. The current is limited to a value corresponding to a safety factor slightly above 2 at the plasma surface. A simple scaling law is found that fits well all the cases and which predicts a linear rise of beta with the current.

Additional information

Authors: TROYON F, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);GRUBER R, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);SAURENMANN H, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);SEMENZATO S, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND);SUCCI S ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND), ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (SWITZERLAND)
Bibliographic Reference: WRITE TO CONFEDERATION SUISSE, CENTRE DE RECHERCHES EN PHYSIQUE DES PLASMAS, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE, 21 AVENUE DES BAINS, CH-1007 (SWITZERLAND), MENTIONING REPORT LRP 231/83
Record Number: 1989122074900 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en