MAGNETIC ISLANDS AND CHAOS INDUCED BY HEAT FLOW
A theoretical model is presented which addresses the problem of confinement degradation in Tokamaks with increasing input power. It will be shown that, when full account is taken of the magnetic field line topology, the adiabatic invariance conditions and the particle motion equations in the guiding centre approximation allow us to relate the heat flow to the level of magnetic perturbation associated with large (M about 15) poloidal mode numbers. It will be shown that substantial power can be transported across the plasma by low level magnetic fluctuations and one possible mechanism for the self-sustainment of the magnetic islands is investigated.
Bibliographic Reference: 11TH INTERNATIONAL CONFERENCE ON PLASMA PHYSICS AND CONTROLLED NUCLEAR FUSION RESEARCH, KYOTO (JAPAN), NOV. 13-20, 1986 WRITE TO THE PUBLICATIONS OFFICER, JET JOINT UNDERTAKING, ABINGDON, OXON OX14 3EA (UK), MENTIONING REPORT JET-P(86)44, 1986
Record Number: 1989125078000 / Last updated on: 1987-12-01
Available languages: en